GitHub/LineageOS/android_kernel_motorola_exynos9610.git
9 years agousb: gadget: mass_storage: Use static array for luns
Krzysztof Opasiak [Fri, 31 Jul 2015 11:46:07 +0000 (13:46 +0200)]
usb: gadget: mass_storage: Use static array for luns

This patch replace dynamicly allocated luns array with static one.
This simplifies the code of mass storage function and modules.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
9 years agousb: gadget: mass_storage: Fix freeing luns sysfs implementation
Krzysztof Opasiak [Fri, 31 Jul 2015 11:37:45 +0000 (13:37 +0200)]
usb: gadget: mass_storage: Fix freeing luns sysfs implementation

Use device_is_registered() instad of sysfs flag to determine if
we should free sysfs representation of particular LUN.

sysfs flag in fsg common determines if luns attributes should be
exposed using sysfs. This flag is used when creating and freeing
luns. Unfortunately there is no guarantee that this flag will not
be changed between creation and removal of particular LUN. Especially
because of lun.0 which is created during allocating instance of
function. This may lead to resource leak or NULL pointer dereference:

[   62.539925] Unable to handle kernel NULL pointer dereference at virtual address 00000044
[   62.548014] pgd = ec994000
[   62.550679] [00000044] *pgd=6d7be831, *pte=00000000, *ppte=00000000
[   62.556933] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[   62.562310] Modules linked in: g_mass_storage(+)
[   62.566916] CPU: 2 PID: 613 Comm: insmod Not tainted 4.2.0-rc4-00077-ge29ee91-dirty #125
[   62.574984] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[   62.581061] task: eca56e80 ti: eca76000 task.ti: eca76000
[   62.586450] PC is at kernfs_find_ns+0x8/0xe8
[   62.590698] LR is at kernfs_find_and_get_ns+0x30/0x48
[   62.595732] pc : [<c01277c0>]    lr : [<c0127b88>]    psr: 40010053
[   62.595732] sp : eca77c40  ip : eca77c38  fp : 000008c1
[   62.607187] r10: 00000001  r9 : c0082f38  r8 : ed41ce40
[   62.612395] r7 : c05c1484  r6 : 00000000  r5 : 00000000  r4 : c0814488
[   62.618904] r3 : 00000000  r2 : 00000000  r1 : c05c1484  r0 : 00000000
[   62.625417] Flags: nZcv  IRQs on  FIQs off  Mode SVC_32  ISA ARM  Segment user
[   62.632620] Control: 10c5387d  Table: 6c99404a  DAC: 00000015
[   62.638348] Process insmod (pid: 613, stack limit = 0xeca76210)
[   62.644251] Stack: (0xeca77c40 to 0xeca78000)
[   62.648594] 7c40: c0814488 00000000 00000000 c05c1484 ed41ce40 c0127b88 00000000 c0824888
[   62.656753] 7c60: ed41d038 ed41d030 ed41d000 c012af4c 00000000 c0824858 ed41d038 c02e3314
[   62.664912] 7c80: ed41d030 00000000 ed41ce04 c02d9e8c c070eda8 eca77cb4 000008c1 c058317c
[   62.673071] 7ca0: 000008c1 ed41d030 ed41ce00 ed41ce04 ed41d000 c02da044 ed41cf48 c0375870
[   62.681230] 7cc0: ed9d3c04 ed9d3c00 ed52df80 bf000940 fffffff0 c03758f4 c03758c0 00000000
[   62.689389] 7ce0: bf000564 c03614e0 ed9d3c04 bf000194 c0082f38 00000001 00000000 c0000100
[   62.697548] 7d00: c0814488 c0814488 c086b1dc c05893a8 00000000 ed7e8320 00000000 c0128b88
[   62.705707] 7d20: ed8a6b40 00000000 00000000 ed410500 ed8a6b40 c0594818 ed7e8320 00000000
[   62.713867] 7d40: 00000000 c0129f20 00000000 c082c444 ed8a6b40 c012a684 00001000 00000000
[   62.722026] 7d60: c0594818 c082c444 00000000 00000000 ed52df80 ed52df80 00000000 00000000
[   62.730185] 7d80: 00000000 00000000 00000001 00000002 ed8e9b70 ed52df80 bf0006d0 00000000
[   62.738345] 7da0: ed8e9b70 ed410500 ed618340 c036129c ed8c1c00 bf0006d0 c080b158 ed8c1c00
[   62.746504] 7dc0: bf0006d0 c080b158 ed8c1c08 ed410500 c0082f38 ed618340 000008c1 c03640ac
[   62.754663] 7de0: 00000000 bf0006d0 c082c8dc c080b158 c080b158 c03642d4 00000000 bf003000
[   62.762822] 7e00: 00000000 c0009784 00000000 00000001 00000000 c05849b0 00000002 ee7ab780
[   62.770981] 7e20: 00000002 ed4105c0 0000c53e 000000d0 c0808600 eca77e5c 00000004 00000000
[   62.779140] 7e40: bf000000 c0095680 c08075a0 ee001f00 ed4105c0 c00cadc0 ed52df80 bf000780
[   62.787300] 7e60: ed4105c0 bf000780 00000001 bf0007c8 c0082f38 ed618340 000008c1 c0083e24
[   62.795459] 7e80: 00000001 bf000780 00000001 eca77f58 00000001 bf000780 00000001 c00857f4
[   62.803618] 7ea0: bf00078c 00007fff 00000000 c00835b4 eca77f58 00000000 c0082fac eca77f58
[   62.811777] 7ec0: f05038c0 0003b008 bf000904 00000000 00000000 bf00078c 6e72656b 00006c65
[   62.819936] 7ee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   62.828095] 7f00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   62.836255] 7f20: 00000000 00000000 00000000 00000000 00000000 00000000 00000003 0003b008
[   62.844414] 7f40: 0000017b c000f5c8 eca76000 00000000 0003b008 c0085df8 f04ef000 0001b8a9
[   62.852573] 7f60: f0503258 f05030c2 f0509fe8 00000968 00000dc8 00000000 00000000 00000000
[   62.860732] 7f80: 00000029 0000002a 00000011 00000000 0000000a 00000000 33f6eb00 0003b008
[   62.868892] 7fa0: bef01cac c000f400 33f6eb00 0003b008 00000003 0003b008 00000000 00000003
[   62.877051] 7fc0: 33f6eb00 0003b008 bef01cac 0000017b 00000000 0003b008 0000000b 0003b008
[   62.885210] 7fe0: bef01ae0 bef01ad0 0001dc23 b6e8c162 800b0070 00000003 c0c0c0c0 c0c0c0c0
[   62.893380] [<c01277c0>] (kernfs_find_ns) from [<c0824888>] (pm_qos_latency_tolerance_attr_group+0x0/0x10)
[   62.903005] Code: e28dd00c e8bd80f0 e92d41f0 e2923000 (e1d0e4b4)
[   62.909115] ---[ end trace 02fb4373ef095c7b ]---

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: atmel_usba_udc: add missing ret value check
Robert Baldyga [Mon, 13 Jul 2015 09:03:54 +0000 (11:03 +0200)]
usb: gadget: atmel_usba_udc: add missing ret value check

Add missing return value check. In case of error print debug message
and return error code.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agostaging: emxx_udc: add missing usb_ep_set_maxpacket_limit()
Robert Baldyga [Mon, 13 Jul 2015 09:03:53 +0000 (11:03 +0200)]
staging: emxx_udc: add missing usb_ep_set_maxpacket_limit()

Since maxpacket_limit was introduced all UDC drivers should use
usb_ep_set_maxpacket_limit() function instead of setting maxpacket value
manually. ep.maxpacket_limit contains actual maximum maxpacket value
supported by hardware which is needed by epautoconf.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: udc: add missing usb_ep_set_maxpacket_limit()
Robert Baldyga [Mon, 13 Jul 2015 09:03:52 +0000 (11:03 +0200)]
usb: isp1760: udc: add missing usb_ep_set_maxpacket_limit()

Since maxpacket_limit was introduced all UDC drivers should use
usb_ep_set_maxpacket_limit() function instead of setting maxpacket value
manually. ep.maxpacket_limit contains actual maximum maxpacket value
supported by hardware which is needed by epautoconf.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: midi: avoid redundant f_midi_set_alt() call
Robert Baldyga [Mon, 13 Jul 2015 09:03:51 +0000 (11:03 +0200)]
usb: gadget: midi: avoid redundant f_midi_set_alt() call

Function midi registers two interfaces with single set_alt() function
which means that f_midi_set_alt() is called twice when configuration
is set. That means that endpoint initialization and ep request allocation
is done two times. To avoid this problem we do such things only once,
for interface number 1 (MIDI Streaming interface).

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: ffs: call functionfs_unbind() if _ffs_func_bind() fails
Robert Baldyga [Mon, 13 Jul 2015 09:03:50 +0000 (11:03 +0200)]
usb: gadget: ffs: call functionfs_unbind() if _ffs_func_bind() fails

Function ffs_do_functionfs_bind() calls functionfs_bind() which allocates
usb request and increments refcounts. These things needs to be cleaned
up by if further steps of initialization fail by calling functionfs_unbind().

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_uac2: finalize wMaxPacketSize according to bandwidth
Peter Chen [Thu, 30 Jul 2015 05:13:03 +0000 (13:13 +0800)]
usb: gadget: f_uac2: finalize wMaxPacketSize according to bandwidth

According to USB Audio Device 2.0 Spec, Ch4.10.1.1:
wMaxPacketSize is defined as follows:
Maximum packet size this endpoint is capable of sending or receiving
when this configuration is selected.
This is determined by the audio bandwidth constraints of the endpoint.

In current code, the wMaxPacketSize is defined as the maximum packet size
for ISO endpoint, and it will let the host reserve much more space than
it really needs, so that we can't let more endpoints work together at
one frame.

We find this issue when we try to let 4 f_uac2 gadgets work together [1]
at FS connection.

[1]http://www.spinics.net/lists/linux-usb/msg123478.html

Acked-by: Daniel Mack <zonque@gmail.com>
Cc: andrzej.p@samsung.com
Cc: Daniel Mack <zonque@gmail.com>
Cc: tiwai@suse.de
Cc: <stable@vger.kernel.org> #v3.18+
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_mass_storage: stop thread in bind failure case
Sanjay Singh Rawat [Wed, 22 Jul 2015 10:59:46 +0000 (16:29 +0530)]
usb: gadget: f_mass_storage: stop thread in bind failure case

After the worker thread is launched, bind function is doing further
configuration. In case of failure stop the thread.

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Sanjay Singh Rawat <snjsrwt@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: m66592-udc: forever loop in set_feature()
Dan Carpenter [Wed, 29 Jul 2015 21:30:58 +0000 (00:30 +0300)]
usb: gadget: m66592-udc: forever loop in set_feature()

There is an "&&" vs "||" typo here so this loops 3000 times or if we get
unlucky it could loop forever.

Fixes: ceaa0a6eeadf ('usb: gadget: m66592-udc: add support for TEST_MODE')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: fotg210-udc: remove duplicate conditions
Dan Carpenter [Wed, 29 Jul 2015 21:29:23 +0000 (00:29 +0300)]
usb: gadget: fotg210-udc: remove duplicate conditions

We handle the "if (!req->req.length)" condition at the start of the
function and return.  We can delete this dead code.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: msm: Add D+/D- lines route control
Ivan T. Ivanov [Tue, 28 Jul 2015 08:10:22 +0000 (11:10 +0300)]
usb: phy: msm: Add D+/D- lines route control

apq8016-sbc board is using Dual SPDT USB Switch (TC7USB40MU),
witch is controlled by GPIO to de/multiplex D+/D- USB lines to
USB2513B Hub and uB connector. Add support for this.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: apply generic altsetting support check mechanism
Robert Baldyga [Tue, 28 Jul 2015 05:20:03 +0000 (07:20 +0200)]
usb: gadget: apply generic altsetting support check mechanism

Replace calls of gadget_supports_altsettings() function (which check altset
support by comparing UDC controller name with hardcoded names) with
gadget_is_altset_supported() which checks generic quirk bitfield.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_ecm/f_ncm: check quirk instead of UDC name
Robert Baldyga [Tue, 28 Jul 2015 05:20:02 +0000 (07:20 +0200)]
usb: gadget: f_ecm/f_ncm: check quirk instead of UDC name

Use generic mechanism to check if UDC controller supports zlp.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_mass_storage: check quirk instead of UDC name
Robert Baldyga [Tue, 28 Jul 2015 05:20:01 +0000 (07:20 +0200)]
usb: gadget: f_mass_storage: check quirk instead of UDC name

Use generic mechanism to check if UDC controller supports stalling.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: add 'quirk_zlp_not_supp' to usb_gadget
Robert Baldyga [Tue, 28 Jul 2015 05:20:00 +0000 (07:20 +0200)]
usb: gadget: add 'quirk_zlp_not_supp' to usb_gadget

Due to some UDC controllers may not support zlp, usb gadget layer
needs to provide a generic way to inform gadget functions about non-standard
hardware limitations.

This patch adds 'quirk_zlp_not_supp' field to struct usb_gadget and helper
function gadget_is_zlp_supported(). It also sets 'quirk_zlp_not_supp'
to 1 in musb UDC driver, which has such limitation.

[ balbi@ti.com : make it build ]

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: add 'quirk_stall_not_supp' to usb_gadget
Robert Baldyga [Tue, 28 Jul 2015 05:19:59 +0000 (07:19 +0200)]
usb: gadget: add 'quirk_stall_not_supp' to usb_gadget

Due to some UDC controllers may not support stalling, usb gadget layer
needs to provide a generic way to inform gadget functions about non-standard
hardware limitations.

This patch adds 'quirk_stall_not_supp' field to struct usb_gadget and helper
function gadget_is_stall_supported(). It also sets 'quirk_stall_not_supp'
to 1 in at91_udc driver, which has such limitation.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: add 'quirk_altset_not_supp' to usb_gadget
Robert Baldyga [Tue, 28 Jul 2015 05:19:58 +0000 (07:19 +0200)]
usb: gadget: add 'quirk_altset_not_supp' to usb_gadget

Due to some UDC controllers may not support altsettings, usb gadget layer
needs to provide a generic way to inform gadget functions about non-standard
hardware limitations.

This patch adds 'quirk_altset_not_supp' field to struct usb_gadget and helper
function gadget_is_altset_supported(). It also sets 'quirk_altset_not_supp'
to 1 in pxa25x_udc and pxa27x_udc drivers, which have such limitation.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: ep0: handle non maxpacket aligned transfers > 512
Kishon Vijay Abraham I [Mon, 27 Jul 2015 06:55:32 +0000 (12:25 +0530)]
usb: dwc3: ep0: handle non maxpacket aligned transfers > 512

Use chained TRB mechanism to handle non maxpacket aligned transfers
greater than bounce buffer size. With this the first TRB will be programmed
to receive 'ALIGN(ur->length - maxp, maxp)' data and the second TRB
will be programmed to receive the remaining data using bounce buffer.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: ep0: Add chained TRB support
Kishon Vijay Abraham I [Mon, 27 Jul 2015 06:55:31 +0000 (12:25 +0530)]
usb: dwc3: ep0: Add chained TRB support

Add chained TRB support to ep0. Now TRB's can be chained just by
invoking _dwc3_ep0_start_trans_ with 'chain' parameter set to true.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3; ep0: Modify _dwc3_ep0_start_trans_ API to take 'chain' parameter
Kishon Vijay Abraham I [Mon, 27 Jul 2015 06:55:30 +0000 (12:25 +0530)]
usb: dwc3; ep0: Modify _dwc3_ep0_start_trans_ API to take 'chain' parameter

No functional change. Added a new parameter in _dwc3_ep0_start_trans_ to
indicate whether the TRB is a chained TRB or last TRB. This is in
preparation for adding chained TRB support for ep0.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: ep0: preparation for handling non maxpacket aligned transfers > 512
Kishon Vijay Abraham I [Mon, 27 Jul 2015 06:55:29 +0000 (12:25 +0530)]
usb: dwc3: ep0: preparation for handling non maxpacket aligned transfers > 512

No functional change. This is in preparation for handling non maxpacket
aligned transfers greater than bounce buffer size. This is basically to
avoid code duplication when using chained TRB transfers to handle
non maxpacket aligned transfers greater than bounce buffer size.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: ep0: use _roundup_ to calculate the transfer size
Kishon Vijay Abraham I [Mon, 27 Jul 2015 06:55:28 +0000 (12:25 +0530)]
usb: dwc3: ep0: use _roundup_ to calculate the transfer size

No functional change. Used _roundup_ macro to calculate the transfer
size aligned to maxpacket in  dwc3_ep0_complete_data. It also makes it
similar to how transfer size is calculated in __dwc3_ep0_do_control_data.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: ep0: Fix mem corruption on OUT transfers of more than 512 bytes
Kishon Vijay Abraham I [Mon, 27 Jul 2015 06:55:27 +0000 (12:25 +0530)]
usb: dwc3: ep0: Fix mem corruption on OUT transfers of more than 512 bytes

DWC3 uses bounce buffer to handle non max packet aligned OUT transfers and
the size of bounce buffer is 512 bytes. However if the host initiates OUT
transfers of size more than 512 bytes (and non max packet aligned), the
driver throws a WARN dump but still programs the TRB to receive more than
512 bytes. This will cause bounce buffer to overflow and corrupt the
adjacent memory locations which can be fatal.

Fix it by programming the TRB to receive a maximum of DWC3_EP0_BOUNCE_SIZE
(512) bytes.

Cc: <stable@vger.kernel.org> # 3.4+
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: renesas_usbhs: Allow an OTG PHY driver to provide VBUS
Phil Edworthy [Mon, 13 Jul 2015 15:30:18 +0000 (16:30 +0100)]
usb: renesas_usbhs: Allow an OTG PHY driver to provide VBUS

These changes allow a PHY driver to trigger a VBUS interrupt and
to provide the value of VBUS.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: zero: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:19:00 +0000 (15:19 +0800)]
usb: gadget: zero: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: serial: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:59 +0000 (15:18 +0800)]
usb: gadget: serial: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: printer: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:58 +0000 (15:18 +0800)]
usb: gadget: printer: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: ncm: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:57 +0000 (15:18 +0800)]
usb: gadget: ncm: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: multi: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:56 +0000 (15:18 +0800)]
usb: gadget: multi: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: mass_storage: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:55 +0000 (15:18 +0800)]
usb: gadget: mass_storage: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: hid: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:54 +0000 (15:18 +0800)]
usb: gadget: hid: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: g_ffs: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:53 +0000 (15:18 +0800)]
usb: gadget: g_ffs: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: cdc2: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:52 +0000 (15:18 +0800)]
usb: gadget: cdc2: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: audio: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:51 +0000 (15:18 +0800)]
usb: gadget: audio: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: acm_ms: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:50 +0000 (15:18 +0800)]
usb: gadget: acm_ms: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: ether: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:49 +0000 (15:18 +0800)]
usb: gadget: ether: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations, free it while
ether unbind. If otg capability is not defined, keep its otg
descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: configfs: allocate and init otg descriptor by otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:48 +0000 (15:18 +0800)]
usb: gadget: configfs: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations, free it while
composite unbind. If otg capability is not defined, keep its otg
descriptor unchanged.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: add usb otg descriptor allocate and init interface
Li Jun [Thu, 9 Jul 2015 07:18:47 +0000 (15:18 +0800)]
usb: gadget: add usb otg descriptor allocate and init interface

Allocate usb otg descriptor and initialize it according to gadget's otg
capabilities, if usb_otg_caps is not set, keep settings as current gadget
drivers. With this 2 new interfaces, gadget can use usb_otg_descriptor
for OTG 1.x, and usb_otg20_descriptor for OTG 2.0 or above, and otg
features can be decided by the combination of usb hardware property
and driver config.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: chipidea: update ci_otg_is_fsm_mode conditions
Li Jun [Thu, 9 Jul 2015 07:18:46 +0000 (15:18 +0800)]
usb: chipidea: update ci_otg_is_fsm_mode conditions

After introduce usb otg properties, update ci_otg_is_fsm_mode conditions
to be depending on both usb hardware properties and usb driver config,
also resolve a compile issue in debug.c after the API change.

Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: chipidea: set usb otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:45 +0000 (15:18 +0800)]
usb: chipidea: set usb otg capabilities

Init and update otg capabilities by DT, set gadget's otg capabilities
accordingly.

Acked-by: Peter Chen <peter.chen@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: common: add API to update usb otg capabilities by device tree
Li Jun [Thu, 9 Jul 2015 07:18:44 +0000 (15:18 +0800)]
usb: common: add API to update usb otg capabilities by device tree

Check property of usb hardware to update otg version and disable SRP, HNP
and ADP if its disable flag is present.

Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agodoc: dt-binding: usb: add otg related properties
Li Jun [Thu, 9 Jul 2015 07:18:43 +0000 (15:18 +0800)]
doc: dt-binding: usb: add otg related properties

Add otg version, srp, hnp and adp support for usb OTG port, then those OTG
features don't have to be decided by usb gadget drivers.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: composite: add USB_DT_OTG request handling
Macpaul Lin [Thu, 9 Jul 2015 07:18:42 +0000 (15:18 +0800)]
usb: gadget: composite: add USB_DT_OTG request handling

Copy usb_otg_descriptor from config's descriptor if host requests
USB_DT_OTG.

Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: add usb_otg_caps to usb_gadget structure.
Macpaul Lin [Thu, 9 Jul 2015 07:18:41 +0000 (15:18 +0800)]
usb: add usb_otg_caps to usb_gadget structure.

Add usb_otg_caps pointer to usb_gadget structure to indicate its
otg capabilities.

Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: otg: add usb_otg_caps structure for otg capabilities
Li Jun [Thu, 9 Jul 2015 07:18:40 +0000 (15:18 +0800)]
usb: otg: add usb_otg_caps structure for otg capabilities

This patch adds a structure usb_otg_caps to cover all otg related
capabilities of the device, including otg revision, and if hnp/srp/adp
is supported.

Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: add USB_OTG_ADP definition
Macpaul Lin [Thu, 9 Jul 2015 07:18:39 +0000 (15:18 +0800)]
usb: add USB_OTG_ADP definition

Add USB_OTG_ADP definition for usb_otg_descriptor.bmAttributes.

Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: add usb_otg20_descriptor for OTG 2.0 and above
Macpaul Lin [Thu, 9 Jul 2015 07:18:38 +0000 (15:18 +0800)]
usb: add usb_otg20_descriptor for OTG 2.0 and above

OTG 2.0 introduces bcdOTG in otg descriptor to identify the OTG and EH
supplement release number with which the OTG device is compliant, this
patch adds structure usb_otg20_descriptor for OTG 2.0 and above.

Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: musb: sunxi: Add support for musb controller in A33 SoC
Hans de Goede [Wed, 8 Jul 2015 14:41:40 +0000 (16:41 +0200)]
usb: musb: sunxi: Add support for musb controller in A33 SoC

The A33 SoC uses the same musb controller as found on the A31 and later,
but allwinner has removed the configdata register, this commit adds special
handling for this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: musb: sunxi: Add support for musb controller in A31 SoC
Hans de Goede [Wed, 8 Jul 2015 14:41:39 +0000 (16:41 +0200)]
usb: musb: sunxi: Add support for musb controller in A31 SoC

The A31 SoC uses the same musb controller as found in earlier SoCs, but it
is hooked up slightly different. Its SRAM is private and no longer controlled
through the SRAM controller, and its reset is controlled via a separate
reset controller. This commit adds support for this setup.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: musb: sunxi: Add support for the Allwinner sunxi musb controller
Hans de Goede [Wed, 8 Jul 2015 14:41:38 +0000 (16:41 +0200)]
usb: musb: sunxi: Add support for the Allwinner sunxi musb controller

This is based on initial code to get the Allwinner sunxi musb controller
supported by Chen-Yu Tsai and Roman Byshko.

This adds support for the Allwinner sunxi musb controller in both host only
and otg mode. Peripheral only mode is not supported, as no boards use that.

This has been tested on a cubietruck (A20 SoC) and an UTOO P66 tablet
(A13 SoC) with a variety of devices in host mode and with the g_serial gadget
driver in peripheral mode, plugging otg / host cables in/out a lot of times
in all possible imaginable plug orders.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_obex: use bind_deactivated flag
Robert Baldyga [Mon, 4 May 2015 12:55:15 +0000 (14:55 +0200)]
usb: gadget: f_obex: use bind_deactivated flag

Use bind_deactivated flag instead of calling usb_function_deactivate()
in function bind(). Field 'can_activate' in struct f_obex is no longer
needed as setting 'bind_deactivated' flag makes us sure, that the function
will be binded only if deactivation can be performed successfully.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_uvc: use bind_deactivated flag
Robert Baldyga [Mon, 4 May 2015 12:55:14 +0000 (14:55 +0200)]
usb: gadget: f_uvc: use bind_deactivated flag

Use bind_deactivated flag instead of calling usb_function_deactivate()
in function bind().

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: composite: add bind_deactivated flag to usb_function
Robert Baldyga [Mon, 4 May 2015 12:55:13 +0000 (14:55 +0200)]
usb: composite: add bind_deactivated flag to usb_function

This patch introduces 'bind_deactivated' flag in struct usb_function.
Functions which don't want to be activated automatically after bind should
set this flag, and when they start to be ready to work they should call
usb_function_activate().

When USB function sets 'bind_deactivated' flag, initial deactivation
counter is incremented automatically, so there is no need to call
usb_function_deactivate() in function bind.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: composite: fix usb_function_activate/deactivate functions
Robert Baldyga [Mon, 4 May 2015 12:55:12 +0000 (14:55 +0200)]
usb: composite: fix usb_function_activate/deactivate functions

Using usb_gadget_disconnect to make gadget temporarily invisible to host
doesn't provide desired result, because gadget is connected immediately
after binding regardless to previous usb_gadget_disconnect() calls.

For this reason we use usb_gadget_deactivate() instead of
usb_gadget_disconnect() to make it working as expected.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: add usb_gadget_activate/deactivate functions
Robert Baldyga [Mon, 4 May 2015 12:55:11 +0000 (14:55 +0200)]
usb: gadget: add usb_gadget_activate/deactivate functions

These functions allows to deactivate gadget to make it not visible to
host and make it active again when gadget driver is finally ready.

They are needed to fix usb_function_activate() and usb_function_deactivate()
functions which currently are not working as usb_gadget_connect() is
called immediately after function bind regardless to previous calls of
usb_gadget_disconnect() function.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: qcom: New APQ8016/MSM8916 USB transceiver driver
Ivan T. Ivanov [Wed, 8 Jul 2015 14:57:40 +0000 (17:57 +0300)]
usb: phy: qcom: New APQ8016/MSM8916 USB transceiver driver

Driver handles PHY initialization, clock management, power
management and workarounds required after resetting the hardware.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: storage-common: Set FSG_MAX_LUNS to 16
Krzysztof Opasiak [Mon, 20 Jul 2015 18:15:19 +0000 (20:15 +0200)]
usb: gadget: storage-common: Set FSG_MAX_LUNS to 16

Mass storage spec allows up to 16 LUNs, so let's not
add some more restrictive limits.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: mass_storage: Place EXPORT_SYMBOL_GPL() after func definition
Krzysztof Opasiak [Mon, 20 Jul 2015 18:15:18 +0000 (20:15 +0200)]
usb: gadget: mass_storage: Place EXPORT_SYMBOL_GPL() after func definition

EXPORT_SYMBOL_GPL() is usually placed after function definition
not before.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: mass_storage: Free buffers if create lun fails
Krzysztof Opasiak [Mon, 20 Jul 2015 18:15:17 +0000 (20:15 +0200)]
usb: gadget: mass_storage: Free buffers if create lun fails

Creation of LUN 0 may fail (for example due to ENOMEM).
As fsg_common_set_num_buffers() does some memory allocation
we should free it before it becomes unavailable.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: gadget: defer endpoint name change
Felipe Balbi [Mon, 20 Jul 2015 19:48:13 +0000 (14:48 -0500)]
usb: dwc3: gadget: defer endpoint name change

We should only change endpoint names when we
actually manage to enable/disable it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: gadget: add a trace when disabling EPs
Felipe Balbi [Mon, 20 Jul 2015 19:46:15 +0000 (14:46 -0500)]
usb: dwc3: gadget: add a trace when disabling EPs

We have a "Enabling %s" trace when enabling an endpoint
but that message felt lonely without a matching
"Disabling %s". Add it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: core: remove unnecessary dev_warn()
Felipe Balbi [Tue, 7 Jul 2015 18:45:23 +0000 (13:45 -0500)]
usb: dwc3: core: remove unnecessary dev_warn()

When a SoC supports both PHY interfaces but
doesn't define HSPHY in DT/pdata, we will get
an unnecessary dev_warn() which can mislead users
into thinking that they're missing something.

Instead, let's just silently rely on a correct
default. If the HW default is wrong, then HSPHY
is required and USB won't work, this will be
motivation enough for engineers to patch their
way into a working setup.

Reported-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: pass flags parameter to gpiod_get functions
Uwe Kleine-König [Mon, 6 Jul 2015 09:09:49 +0000 (11:09 +0200)]
usb: pass flags parameter to gpiod_get functions

Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.

Currently this parameter is made optional with the help of a cpp trick.
To allow dropping this hack convert callers to explictly pass a value
for flags.

Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: pci: make better use of gpiod API
Uwe Kleine-König [Mon, 6 Jul 2015 09:09:48 +0000 (11:09 +0200)]
usb: dwc3: pci: make better use of gpiod API

Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.

Use this additional parameter and the _optional variant to simplify the
driver and improve error handling. Also expand the comment to explain
why it's not sensible to switch to devm_gpiod_get and why the gpiod_put
is also necessary.

Furthermore this is one caller less that stops us making the flags
argument to gpiod_get*() mandatory.

Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: msm-usb: Replace deprecated API of extcon
Chanwoo Choi [Wed, 1 Jul 2015 04:11:34 +0000 (13:11 +0900)]
usb: phy: msm-usb: Replace deprecated API of extcon

This patch removes the deprecated notifier API of extcon framwork
and then use the new extcon API with the unique id to indicate
the each external connector (USB, USB-HOST).

Alter deprecated API as following:
- extcon_register_interest() -> extcon_register_notifier()
- extcon_get_cable_state(*edev, char *) -> extcon_get_cable_state_(*edev, id)

Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: renesas_usbhs: Replace deprecated API of extcon
Chanwoo Choi [Wed, 1 Jul 2015 04:11:33 +0000 (13:11 +0900)]
usb: renesas_usbhs: Replace deprecated API of extcon

This patch removes the deprecated API of extcon and then use the new extcon API
with the unique id to indicate the each external connector (USB-HOST).
- extcon_get_cable_state(*edev, char *) -> extcon_get_cable_state_(*edev, id)

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Peter Chen <peter.chen@freescale.com>
Cc: Varka Bhadram <varkab@cdac.in>
Cc: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: tahvo: Use devm_extcon_dev_[allocate|register]() and replace deprecated API
Chanwoo Choi [Wed, 1 Jul 2015 04:11:32 +0000 (13:11 +0900)]
usb: phy: tahvo: Use devm_extcon_dev_[allocate|register]() and replace deprecated API

This patch uses the devm_extcon_dev_[allocate|register]() to manage the
resource automatically and replace deprecated API as following:
- extcon_[set|get]_cable_state(*edev, char *) -> extcon_[set|get]_cable_state_(*edev, id)

Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: omap-otg: Replace deprecated API of extcon
Chanwoo Choi [Wed, 1 Jul 2015 04:11:31 +0000 (13:11 +0900)]
usb: phy: omap-otg: Replace deprecated API of extcon

This patch removes the deprecated notifier API of extcon framwork
and then use the new extcon API with the unique id to indicate
the each external connector (USB, USB-HOST).

Alter deprecated API as following:
- extcon_register_interest() -> extcon_register_notifier()
- extcon_get_cable_state(*edev, char *) -> extcon_get_cable_state_(*edev, id)

[ balbi@ti.com : fix build break ]

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: omap: Replace deprecated API of extcon
Chanwoo Choi [Wed, 1 Jul 2015 04:11:30 +0000 (13:11 +0900)]
usb: dwc3: omap: Replace deprecated API of extcon

This patch removes the deprecated notifier API of extcon framwork
and then use the new extcon API with the unique id to indicate
the each external connector (USB, USB-HOST).

Alter deprecated API as following:
- extcon_register_interest() -> extcon_register_notifier()
- extcon_get_cable_state(*edev, char *) -> extcon_get_cable_state_(*edev, id)

Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: udc: Convert use of __constant_cpu_to_leXX to cpu_to_leXX
Vaishali Thakkar [Wed, 10 Jun 2015 10:34:25 +0000 (16:04 +0530)]
usb: udc: Convert use of __constant_cpu_to_leXX to cpu_to_leXX

In big endian cases, the macro cpu_to_le{16,32} unfolds to __swab{16,32}
which provides special case for constants. In little endian cases,
__constant_cpu_to_le{16,32} and cpu_to_le{16,32} expand directly to
the same expression. So, replace __constant_cpu_to_le{16,32} with
cpu_to_le{16,32} with the goal of getting rid of the definition of
__constant_cpu_to_le{16,32} completely.

The semantic patch that performs this transformation is as follows:

@@expression x;@@

(
- __constant_cpu_to_le16(x)
+ cpu_to_le16(x)
|
- __constant_cpu_to_le32(x)
+ cpu_to_le32(x)
)

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: composite.c: i18n is not an acronym
Diego Viola [Sun, 31 May 2015 18:52:41 +0000 (15:52 -0300)]
usb: gadget: composite.c: i18n is not an acronym

I18N should be spelled as i18n because it's not
an acronym

Signed-off-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: Convert use of __constant_cpu_to_le16 to cpu_to_le16
Vaishali Thakkar [Sat, 6 Jun 2015 01:32:53 +0000 (07:02 +0530)]
usb: gadget: Convert use of __constant_cpu_to_le16 to cpu_to_le16

In big endian cases, macro cpu_to_le16 unfolds to __swab16 which
provides special case for constants. In little endian cases,
__constant_cpu_to_le16 and cpu_to_le16 expand directly to the
same expression. So, replace __constant_cpu_to_le16 with
cpu_to_le16 with the goal of getting rid of the definition of
__constant_cpu_to_le16 completely.

The semantic patch that performs this transformation is as follows:

@@expression x;@@

- __constant_cpu_to_le16(x)
+ cpu_to_le16(x)

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: SourceSink: Remove out-of-date comment
Krzysztof Opasiak [Fri, 19 Jun 2015 10:16:45 +0000 (12:16 +0200)]
usb: gadget: SourceSink: Remove out-of-date comment

As SourceSink function has been reworked for ConfigFS
composite gadget this comment is no longer valid.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: loopback: Remove out-of-date comment
Krzysztof Opasiak [Fri, 19 Jun 2015 10:05:05 +0000 (12:05 +0200)]
usb: gadget: loopback: Remove out-of-date comment

As loopback function has been reworked for ConfigFS
composite gadget this comment is no longer valid.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: drop CONFIG_USB_DWC3_DEBUG
Felipe Balbi [Tue, 30 Jun 2015 17:51:49 +0000 (12:51 -0500)]
usb: dwc3: drop CONFIG_USB_DWC3_DEBUG

now that we have no users of dev_dbg() in dwc3,
we can safely remove CONFIG_USB_DWC3_DEBUG.

If dev_dbg() is ever strictly necessary - and I
don't see why it would, considering we want to
rely on tracepoints for debug - we will depend
on DYNAMIC_PRINTK to enable such messages.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: st: remove two unnecessary messages
Felipe Balbi [Tue, 30 Jun 2015 17:50:46 +0000 (12:50 -0500)]
usb: dwc3: st: remove two unnecessary messages

the mode of operation is exposed through debugfs
at all times. Because of that, we're removing
the unnecessary messages.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: qcom: switch dev_dbg() to dev_info()
Felipe Balbi [Tue, 30 Jun 2015 17:48:58 +0000 (12:48 -0500)]
usb: dwc3: qcom: switch dev_dbg() to dev_info()

those two messages are informing that the clock
doesn't exist; that, however, is a valid situation
and driver continues just fine by ignoring the error.

Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: exynos: switch dev_dbg() to dev_info()
Felipe Balbi [Tue, 30 Jun 2015 17:47:45 +0000 (12:47 -0500)]
usb: dwc3: exynos: switch dev_dbg() to dev_info()

that message is informing that the clock is missing.
However, that's a valid condition for some setups; driver
even ignores the error and continues just fine.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: keystone: convert dev_dbg() to dev_err()
Felipe Balbi [Tue, 30 Jun 2015 17:46:53 +0000 (12:46 -0500)]
usb: dwc3: keystone: convert dev_dbg() to dev_err()

that's an error condition, not a debugging message.

Let's promote it appropriately.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: omap: drop dev_dbg() usage
Felipe Balbi [Tue, 30 Jun 2015 17:46:07 +0000 (12:46 -0500)]
usb: dwc3: omap: drop dev_dbg() usage

Some of the messages were plain unnecessary
and some were actually errors. Fix it all
up.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc2: gadget: use | instead of + for bitmasks
Felipe Balbi [Tue, 30 Jun 2015 01:17:22 +0000 (20:17 -0500)]
usb: dwc2: gadget: use | instead of + for bitmasks

It's just a lot clearer to use | operator instead of
+ operator.

Caught by coccicheck:

"
drivers/usb/dwc2/gadget.c:2883:26-27: WARNING: sum of probable
bitmasks, consider |
"

Cc: John Youn <John.Youn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: nokia: Add mass storage driver to g_nokia
Pali Rohár [Mon, 8 Jun 2015 06:20:05 +0000 (08:20 +0200)]
usb: gadget: nokia: Add mass storage driver to g_nokia

This patch adds removable mass storage support to g_nokia gadget (for N900).
It means that at runtime block device can be exported or unexported.
So it does not export anything by default and thus allows to use MyDocs
partition as before...

[ balbi@ti.com: make it build ]

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agoLinux 4.2-rc4
Linus Torvalds [Sun, 26 Jul 2015 19:26:21 +0000 (12:26 -0700)]
Linux 4.2-rc4

9 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 26 Jul 2015 18:46:32 +0000 (11:46 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf fix from Thomas Gleixner:
 "A single fix for the intel cqm perf facility to prevent IPIs from
  interrupt context"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/cqm: Return cached counter value from IRQ context

9 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 26 Jul 2015 18:14:04 +0000 (11:14 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "This update contains:

   - the manual revert of the SYSCALL32 changes which caused a
     regression

   - a fix for the MPX vma handling

   - three fixes for the ioremap 'is ram' checks.

   - PAT warning fixes

   - a trivial fix for the size calculation of TLB tracepoints

   - handle old EFI structures gracefully

  This also contains a PAT fix from Jan plus a revert thereof.  Toshi
  explained why the code is correct"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/pat: Revert 'Adjust default caching mode translation tables'
  x86/asm/entry/32: Revert 'Do not use R9 in SYSCALL32' commit
  x86/mm: Fix newly introduced printk format warnings
  mm: Fix bugs in region_is_ram()
  x86/mm: Remove region_is_ram() call from ioremap
  x86/mm: Move warning from __ioremap_check_ram() to the call site
  x86/mm/pat, drivers/media/ivtv: Move the PAT warning and replace WARN() with pr_warn()
  x86/mm/pat, drivers/infiniband/ipath: Replace WARN() with pr_warn()
  x86/mm/pat: Adjust default caching mode translation tables
  x86/fpu: Disable dependent CPU features on "noxsave"
  x86/mpx: Do not set ->vm_ops on MPX VMAs
  x86/mm: Add parenthesis for TLB tracepoint size calculation
  efi: Handle memory error structures produced based on old versions of standard

9 years agox86/mm/pat: Revert 'Adjust default caching mode translation tables'
Thomas Gleixner [Sun, 26 Jul 2015 08:27:37 +0000 (10:27 +0200)]
x86/mm/pat: Revert 'Adjust default caching mode translation tables'

Toshi explains:

"No, the default values need to be set to the fallback types,
 i.e. minimal supported mode.  For WC and WT, UC is the fallback type.

 When PAT is disabled, pat_init() does update the tables below to
 enable WT per the default BIOS setup.  However, when PAT is enabled,
 but CPU has PAT -errata, WT falls back to UC per the default values."

Revert: ca1fec58bc6a 'x86/mm/pat: Adjust default caching mode translation tables'
Requested-by: Toshi Kani <toshi.kani@hp.com>
Cc: Jan Beulich <jbeulich@suse.de>
Link: http://lkml.kernel.org/r/1437577776.3214.252.camel@hp.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
9 years agoperf/x86/intel/cqm: Return cached counter value from IRQ context
Matt Fleming [Tue, 21 Jul 2015 14:55:09 +0000 (15:55 +0100)]
perf/x86/intel/cqm: Return cached counter value from IRQ context

Peter reported the following potential crash which I was able to
reproduce with his test program,

[  148.765788] ------------[ cut here ]------------
[  148.765796] WARNING: CPU: 34 PID: 2840 at kernel/smp.c:417 smp_call_function_many+0xb6/0x260()
[  148.765797] Modules linked in:
[  148.765800] CPU: 34 PID: 2840 Comm: perf Not tainted 4.2.0-rc1+ #4
[  148.765803]  ffffffff81cdc398 ffff88085f105950 ffffffff818bdfd5 0000000000000007
[  148.765805]  0000000000000000 ffff88085f105990 ffffffff810e413a 0000000000000000
[  148.765807]  ffffffff82301080 0000000000000022 ffffffff8107f640 ffffffff8107f640
[  148.765809] Call Trace:
[  148.765810]  <NMI>  [<ffffffff818bdfd5>] dump_stack+0x45/0x57
[  148.765818]  [<ffffffff810e413a>] warn_slowpath_common+0x8a/0xc0
[  148.765822]  [<ffffffff8107f640>] ? intel_cqm_stable+0x60/0x60
[  148.765824]  [<ffffffff8107f640>] ? intel_cqm_stable+0x60/0x60
[  148.765825]  [<ffffffff810e422a>] warn_slowpath_null+0x1a/0x20
[  148.765827]  [<ffffffff811613f6>] smp_call_function_many+0xb6/0x260
[  148.765829]  [<ffffffff8107f640>] ? intel_cqm_stable+0x60/0x60
[  148.765831]  [<ffffffff81161748>] on_each_cpu_mask+0x28/0x60
[  148.765832]  [<ffffffff8107f6ef>] intel_cqm_event_count+0x7f/0xe0
[  148.765836]  [<ffffffff811cdd35>] perf_output_read+0x2a5/0x400
[  148.765839]  [<ffffffff811d2e5a>] perf_output_sample+0x31a/0x590
[  148.765840]  [<ffffffff811d333d>] ? perf_prepare_sample+0x26d/0x380
[  148.765841]  [<ffffffff811d3497>] perf_event_output+0x47/0x60
[  148.765843]  [<ffffffff811d36c5>] __perf_event_overflow+0x215/0x240
[  148.765844]  [<ffffffff811d4124>] perf_event_overflow+0x14/0x20
[  148.765847]  [<ffffffff8107e7f4>] intel_pmu_handle_irq+0x1d4/0x440
[  148.765849]  [<ffffffff811d07a6>] ? __perf_event_task_sched_in+0x36/0xa0
[  148.765853]  [<ffffffff81219bad>] ? vunmap_page_range+0x19d/0x2f0
[  148.765854]  [<ffffffff81219d11>] ? unmap_kernel_range_noflush+0x11/0x20
[  148.765859]  [<ffffffff814ce6fe>] ? ghes_copy_tofrom_phys+0x11e/0x2a0
[  148.765863]  [<ffffffff8109e5db>] ? native_apic_msr_write+0x2b/0x30
[  148.765865]  [<ffffffff8109e44d>] ? x2apic_send_IPI_self+0x1d/0x20
[  148.765869]  [<ffffffff81065135>] ? arch_irq_work_raise+0x35/0x40
[  148.765872]  [<ffffffff811c8d86>] ? irq_work_queue+0x66/0x80
[  148.765875]  [<ffffffff81075306>] perf_event_nmi_handler+0x26/0x40
[  148.765877]  [<ffffffff81063ed9>] nmi_handle+0x79/0x100
[  148.765879]  [<ffffffff81064422>] default_do_nmi+0x42/0x100
[  148.765880]  [<ffffffff81064563>] do_nmi+0x83/0xb0
[  148.765884]  [<ffffffff818c7c0f>] end_repeat_nmi+0x1e/0x2e
[  148.765886]  [<ffffffff811d07a6>] ? __perf_event_task_sched_in+0x36/0xa0
[  148.765888]  [<ffffffff811d07a6>] ? __perf_event_task_sched_in+0x36/0xa0
[  148.765890]  [<ffffffff811d07a6>] ? __perf_event_task_sched_in+0x36/0xa0
[  148.765891]  <<EOE>>  [<ffffffff8110ab66>] finish_task_switch+0x156/0x210
[  148.765898]  [<ffffffff818c1671>] __schedule+0x341/0x920
[  148.765899]  [<ffffffff818c1c87>] schedule+0x37/0x80
[  148.765903]  [<ffffffff810ae1af>] ? do_page_fault+0x2f/0x80
[  148.765905]  [<ffffffff818c1f4a>] schedule_user+0x1a/0x50
[  148.765907]  [<ffffffff818c666c>] retint_careful+0x14/0x32
[  148.765908] ---[ end trace e33ff2be78e14901 ]---

The CQM task events are not safe to be called from within interrupt
context because they require performing an IPI to read the counter value
on all sockets. And performing IPIs from within IRQ context is a
"no-no".

Make do with the last read counter value currently event in
event->count when we're invoked in this context.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vikas Shivappa <vikas.shivappa@intel.com>
Cc: Kanaka Juvva <kanaka.d.juvva@intel.com>
Cc: Will Auld <will.auld@intel.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/1437490509-15373-1-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
9 years agoMerge tag 'usb-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Sun, 26 Jul 2015 03:11:12 +0000 (20:11 -0700)]
Merge tag 'usb-4.2-rc4' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here's a few USB and PHY fixes for 4.2-rc4.

  Nothing major, the shortlog has the full details.

  All of these have been in linux-next successfully"

* tag 'usb-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits)
  USB: OHCI: fix bad #define in ohci-tmio.c
  cdc-acm: Destroy acm_minors IDR on module exit
  usb-storage: Add ignore-device quirk for gm12u320 based usb mini projectors
  usb-storage: ignore ZTE MF 823 card reader in mode 0x1225
  USB: OHCI: Fix race between ED unlink and URB submission
  usb: core: lpm: set lpm_capable for root hub device
  xhci: do not report PLC when link is in internal resume state
  xhci: prevent bus_suspend if SS port resuming in phase 1
  xhci: report U3 when link is in resume state
  xhci: Calculate old endpoints correctly on device reset
  usb: xhci: Bugfix for NULL pointer deference in xhci_endpoint_init() function
  xhci: Workaround to get D3 working in Intel xHCI
  xhci: call BIOS workaround to enable runtime suspend on Intel Braswell
  usb: dwc3: Reset the transfer resource index on SET_INTERFACE
  usb: gadget: udc: core: Fix argument of dma_map_single for IOMMU
  usb: gadget: mv_udc_core: fix phy_regs I/O memory leak
  usb: ulpi: ulpi_init should be executed in subsys_initcall
  phy: berlin-usb: fix divider for BG2
  phy: berlin-usb: fix divider for BG2CD
  phy/pxa: add HAS_IOMEM dependency
  ...

9 years agoMerge tag 'tty-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Sun, 26 Jul 2015 03:05:07 +0000 (20:05 -0700)]
Merge tag 'tty-4.2-rc4' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a number of small serial and tty fixes for reported issues.

  All have been in linux-next successfully"

* tag 'tty-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: vt: Fix !TASK_RUNNING diagnostic warning from paste_selection()
  serial: core: Fix crashes while echoing when closing
  m32r: Add ioreadXX/iowriteXX big-endian mmio accessors
  Revert "serial: imx: initialized DMA w/o HW flow enabled"
  sc16is7xx: fix FIFO address of secondary UART
  sc16is7xx: fix Kconfig dependencies
  serial: etraxfs-uart: Fix release etraxfs_uart_ports
  tty/vt: Fix the memory leak in visual_init
  serial: amba-pl011: Fix devm_ioremap_resource return value check
  n_tty: signal and flush atomically

9 years agoMerge tag 'staging-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 26 Jul 2015 03:03:10 +0000 (20:03 -0700)]
Merge tag 'staging-4.2-rc4' of git://git./linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are a number of iio and staging driver fixes for reported issues
  for 4.2-rc4.

  All have been in linux-next for a while with no problems"

* tag 'staging-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (34 commits)
  iio:light:stk3310: make endianness independent of host
  iio:light:stk3310: move device register to end of probe
  iio: mma8452: use iio event type IIO_EV_TYPE_MAG
  iio: mcp320x: Fix NULL pointer dereference
  iio: adc: vf610: fix the adc register read fail issue
  iio: mlx96014: Replace offset sign
  iio: magnetometer: mmc35240: fix SET/RESET sequence
  iio: magnetometer: mmc35240: Fix SET/RESET mask
  iio: magnetometer: mmc35240: Fix crash in pm suspend
  iio:magnetometer:bmc150_magn: output intended variable
  iio:magnetometer:bmc150_magn: add regmap dependency
  staging: vt6656: check ieee80211_bss_conf bssid not NULL
  staging: vt6655: check ieee80211_bss_conf bssid not NULL
  iio: tmp006: Check channel info on write
  iio: sx9500: Add missing init in sx9500_buffer_pre{en,dis}able()
  iio:light:ltr501: fix regmap dependency
  iio:light:ltr501: fix variable in ltr501_init
  iio: sx9500: fix bug in compensation code
  iio: sx9500: rework error handling of raw readings
  iio: magnetometer: mmc35240: fix available sampling frequencies
  ...

9 years agoMerge tag 'char-misc-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 26 Jul 2015 02:50:59 +0000 (19:50 -0700)]
Merge tag 'char-misc-4.2-rc4' of git://git./linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are some char and misc driver fixes for reported issues.

  One parport patch is reverted as it was incorrect, thanks to testing
  by the 0-day bot"

* tag 'char-misc-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  parport: Revert "parport: fix memory leak"
  mei: prevent unloading mei hw modules while the device is opened.
  misc: mic: scif bug fix for vmalloc_to_page crash
  parport: fix freeing freed memory
  parport: fix memory leak
  parport: fix error handling

9 years agoparport: Revert "parport: fix memory leak"
Sudip Mukherjee [Sat, 25 Jul 2015 07:49:40 +0000 (13:19 +0530)]
parport: Revert "parport: fix memory leak"

This reverts commit 23c405912b88 ("parport: fix memory leak")

par_dev->state was already being removed in parport_unregister_device().

Reported-by: Ying Huang <ying.huang@intel.com>
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 years agoMerge tag 'trace-v4.2-rc2-fix3' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 25 Jul 2015 18:42:54 +0000 (11:42 -0700)]
Merge tag 'trace-v4.2-rc2-fix3' of git://git./linux/kernel/git/rostedt/linux-trace

Pull ftrace fix from Steven Rostedt:
 "Back in 3.16 the ftrace code was redesigned and cleaned up to remove
  the double iteration list (one for registered ftrace ops, and one for
  registered "global" ops), to just use one list.  That simplified the
  code but also broke the function tracing filtering on pid.

  This updates the code to handle the filtering again with the new
  logic"

* tag 'trace-v4.2-rc2-fix3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace: Fix breakage of set_ftrace_pid

9 years agoMerge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw...
Linus Torvalds [Sat, 25 Jul 2015 18:36:12 +0000 (11:36 -0700)]
Merge branch 'libnvdimm-fixes' of git://git./linux/kernel/git/djbw/nvdimm

Pull libnvdimm fix from Dan Williams:
 "A minor fix for the libnvdimm subsystem.

  This is not critical.  The problem can be worked around in userspace
  by putting the namespace temporarily into raw mode
  (ndctl_namespace_set_raw_mode() from libndctl), but that is awkward
  for management utilities.

* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm:
  libnvdimm: fix namespace seed creation

9 years agoMerge tag 'md/4.2-fixes' of git://neil.brown.name/md
Linus Torvalds [Sat, 25 Jul 2015 18:24:58 +0000 (11:24 -0700)]
Merge tag 'md/4.2-fixes' of git://neil.brown.name/md

Pull md fixes from Neil Brown:
 "Some md fixes for 4.2

  Several are tagged for -stable.
  A few aren't because they are not very, serious or because they are in
  the 'experimental' cluster code"

* tag 'md/4.2-fixes' of git://neil.brown.name/md:
  md/raid5: clear R5_NeedReplace when no longer needed.
  Fix read-balancing during node failure
  md-cluster: fix bitmap sub-offset in bitmap_read_sb
  md: Return error if request_module fails and returns positive value
  md: Skip cluster setup in case of error while reading bitmap
  md/raid1: fix test for 'was read error from last working device'.
  md: Skip cluster setup for dm-raid
  md: flush ->event_work before stopping array.
  md/raid10: always set reshape_safe when initializing reshape_position.
  md/raid5: avoid races when changing cache size.

9 years agoMerge tag 'for-linus-20150724' of git://git.infradead.org/linux-mtd
Linus Torvalds [Sat, 25 Jul 2015 18:19:38 +0000 (11:19 -0700)]
Merge tag 'for-linus-20150724' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Brian Norris:
 "Two trivial updates.  I meant to send these much earlier, but I've
  been preoccupied.

   - Add MAINTAINERS entry for diskonchip g3 driver

   - Fix an overlooked conflict in bitfield value assignments

  The latter update is a bit overdue, but there's no reason to wait any
  longer"

* tag 'for-linus-20150724' of git://git.infradead.org/linux-mtd:
  mtd: nand: Fix NAND_USE_BOUNCE_BUFFER flag conflict
  MAINTAINERS: mtd: docg3: add docg3 maintainer

9 years agolibnvdimm: fix namespace seed creation
Dan Williams [Sat, 25 Jul 2015 03:42:34 +0000 (23:42 -0400)]
libnvdimm: fix namespace seed creation

A new BLK namespace "seed" device is created whenever the current seed
is successfully probed.  However, if that namespace is assigned to a BTT
it may never directly experience a successful probe as it is a
subordinate device to a BTT configuration.

The effect of the current code is that no new namespaces can be
instantiated, after the seed namespace, to consume available BLK DPA
capacity.  Fix this by treating a successful BTT probe event as a
successful probe event for the backing namespace.

Reported-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
9 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-block
Linus Torvalds [Sat, 25 Jul 2015 00:00:04 +0000 (17:00 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Four smaller fixes for the current series.  This contains:

   - A fix for clones of discard bio's, that can cause data corruption.
     From Martin.

   - A fix for null_blk, where in certain queue modes it could access a
     request after it had been freed.  From Mike Krinkin.

   - An error handling leak fix for blkcg, from Tejun.

   - Also from Tejun, export of the functions that a file system needs
     to implement cgroup writeback support"

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: Do a full clone when splitting discard bios
  block: export bio_associate_*() and wbc_account_io()
  blkcg: fix gendisk reference leak in blkg_conf_prep()
  null_blk: fix use-after-free problem

9 years agoMerge branch 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
Linus Torvalds [Fri, 24 Jul 2015 23:54:59 +0000 (16:54 -0700)]
Merge branch 'for-4.2-fixes' of git://git./linux/kernel/git/tj/libata

Pull libata fixes from Tejun Heo:
 "A couple important fixes.

   - A block layer change which removed restriction on max transfer size
     led to silent data corruption on some devices.  A new quirk is
     added to restore the old size limit for the reported device.  If it
     gets reported on more devices, we might have to consider restoring
     the restriction for ATA devices by default.

   - There finally is a SSD which is confirmed to cause data corruption
     on TRIM regardless of which flavor is used.  A new quirk is added
     and the device is blacklisted

   - Other device-specific workarounds"

* 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  libata: Do not blacklist M510DC
  libata: increase the timeout when setting transfer mode
  libata: add ATA_HORKAGE_MAX_SEC_1024 to revert back to previous max_sectors limit
  libata: force disable trim for SuperSSpeed S238
  libata: add ATA_HORKAGE_NOTRIM
  libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk VB0250EAVER
  ata: pmp: add quirk for Marvell 4140 SATA PMP