GitHub/mt8127/android_kernel_alcatel_ttab.git
13 years agoomapfb: Fix linker error in drivers/video/omap/lcd_2430sdp.c
Jarkko Nikula [Tue, 1 Mar 2011 08:40:37 +0000 (02:40 -0600)]
omapfb: Fix linker error in drivers/video/omap/lcd_2430sdp.c

There is a linker error from lcd_2430sdp.c if CONFIG_TWL4030_CORE is not
set. This can be triggered on OMAP2 builds when OMAP3 or OMAP4 are not set.

drivers/built-in.o: In function `sdp2430_panel_disable':
drivers/video/omap/lcd_2430sdp.c:123: undefined reference to `twl_i2c_write_u8'
drivers/video/omap/lcd_2430sdp.c:124: undefined reference to `twl_i2c_write_u8'
drivers/built-in.o: In function `sdp2430_panel_enable':
drivers/video/omap/lcd_2430sdp.c:110: undefined reference to `twl_i2c_write_u8'
drivers/video/omap/lcd_2430sdp.c:112: undefined reference to `twl_i2c_write_u8'

Fix this by selecting the TWL4030_CORE for MACH_OMAP_2430SDP when building
with CONFIG_FB_OMAP as there is no own Kconfig entry for lcd_2430 and it is
compiled always when both MACH_OMAP_2430SDP and FB_OMAP are set.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2PLUS:DSS2: Use opt_clock_available from pdata
Semwal, Sumit [Tue, 1 Mar 2011 08:42:14 +0000 (02:42 -0600)]
OMAP2PLUS:DSS2: Use opt_clock_available from pdata

hwmod databases provide information about which optional clocks are available
for a given platform. This is available via a function pointer opt_clock_enable
in pdata.

Use this information during get/enable/disable/put of clocks.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2PLUS:DSS2: add opt_clock_available in pdata
Semwal, Sumit [Tue, 1 Mar 2011 08:42:13 +0000 (02:42 -0600)]
OMAP2PLUS:DSS2: add opt_clock_available in pdata

Provide a function in pdata to allow dss submodules to check if a given
clock is available on a platform as an optional clock.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
(based on implementation from Senthil)

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: DSI: remove unused function
Tomi Valkeinen [Wed, 2 Jun 2010 12:09:37 +0000 (15:09 +0300)]
OMAP: DSS2: DSI: remove unused function

dsi_reset_tx_fifo() was not used. Furthermore, OMAP errata states that
TX FIFO flush is not functional, so the function wouldn't even have
worked.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Remove unused list
Tomi Valkeinen [Thu, 28 Oct 2010 12:29:33 +0000 (15:29 +0300)]
OMAP: DSS2: Remove unused list

There was an unused list defined in display.c. Remove it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: OMAPFB: Adding help for FB_OMAP_LCD_VGA option
Janorkar, Mayuresh [Thu, 24 Feb 2011 09:39:17 +0000 (03:39 -0600)]
OMAP: OMAPFB: Adding help for FB_OMAP_LCD_VGA option

CONFIG_FB_OMAP_LCD_VGA option is present in drivers/video/omap
There is no explaination about what this flag does.
Lets add information about it.

FB_OMAP_LCD_VGA flag sets resolution of display to VGA (640 X 480).
The default resolution of 3430 LDP is 320 X 240.

Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Check for SDI HW before accessing SDI registers
Tomi Valkeinen [Thu, 24 Feb 2011 12:18:50 +0000 (14:18 +0200)]
OMAP: DSS2: Check for SDI HW before accessing SDI registers

Only OMAP 3430 hardware has SDI support. The availability of SDI HW can
be found out by checking if the LCD channel supports SDI displays.

This patch checks for SDI HW support before accessing SDI registers,
which fixes a crash on OMAP4 when SDI SW support is compiled in.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: FEATURES: Remove DSI & SDI from OMAP2
Tomi Valkeinen [Thu, 24 Feb 2011 12:21:25 +0000 (14:21 +0200)]
OMAP: DSS2: FEATURES: Remove DSI & SDI from OMAP2

OMAP2 doesn't support SDI or DSI. Remove them from
omap2_dss_supported_displays.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: FEATURES: Remove SDI from 3630 displays
Tomi Valkeinen [Thu, 24 Feb 2011 12:20:31 +0000 (14:20 +0200)]
OMAP: DSS2: FEATURES: Remove SDI from 3630 displays

OMAP 3630 does not support SDI. Split omap3_dss_supported_displays into
3430 and 3630 entries, and remove the SDI from 3630 entry.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Clean up a switch-case
Tomi Valkeinen [Thu, 24 Feb 2011 11:59:13 +0000 (13:59 +0200)]
OMAP: DSS2: Clean up a switch-case

Support for the display interface was checked in a separate switch-case.
There's no reason for that, and this patch handles the fail code path in
the same switch-case where the display initialization is done.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2/3/4: DSS2: Enable Display SubSystem as modules
Samreen [Thu, 24 Feb 2011 06:26:40 +0000 (06:26 +0000)]
OMAP2/3/4: DSS2: Enable Display SubSystem as modules

Enabling all the display interface options to be built as module
And enabling all the display panels to be built as modules.

Signed-off-by: Samreen <samreen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoMAINTAINERS: Update OMAP DSS maintainer
Tomi Valkeinen [Wed, 23 Feb 2011 14:34:17 +0000 (16:34 +0200)]
MAINTAINERS: Update OMAP DSS maintainer

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Have separate irq handlers for DISPC and DSI
archit taneja [Wed, 23 Feb 2011 08:41:03 +0000 (08:41 +0000)]
OMAP: DSS2: Have separate irq handlers for DISPC and DSI

Currently, the core DSS platform device requests for an irq line for OMAP2 and
OMAP3. Make DISPC and DSI platform devices request for a shared IRQ line.

On OMAP3, the logical OR of DSI and DISPC interrupt lines goes to the MPU. There
is a register DSS_IRQSTATUS which tells if the interrupt came from DISPC or DSI.

On OMAP2, there is no DSI, only DISPC interrupts goto the MPU. There is no
DSS_IRQSTATUS register.

Hence, it makes more sense to have separate irq handlers corresponding to the
DSS sub modules instead of having a common handler.

Since on OMAP3 the logical OR of the lines goes to MPU, the irq line is shared
among the IRQ handlers.

The hwmod irq info has been removed for DSS to DISPC and DSI for OMAP2 and OMAP3
hwmod databases. The Probes of DISPC and DSI now request for irq handlers.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPFB: Adding a check for timings in set_def_mode
Janorkar, Mayuresh [Tue, 22 Feb 2011 13:35:13 +0000 (07:35 -0600)]
OMAPFB: Adding a check for timings in set_def_mode

When omapfb.mode is passed through bootargs, when omapfb is setting mode,
it would check if timings passed are fine for panel attached to it.
It makes use of check_timing API provided by the panel.

In current code if check_timing API is not available for attached panel,
OMAPFB would return -EINVAL and BPP sent via bootargs will not have any effect.

In case of panels like TAAL panel, omapfb or any other driver should not be allowed to
change the timings. So bpps sent via bootargs will not have an effect.

In such case we can check only the x_res and y_res with the panels resolution
and if they match go ahead and set the bpps.
The bpp value sent via bootarg would have an effect.

Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Support for Samsung LTE430WQ-F0C
Tomi Valkeinen [Tue, 22 Feb 2011 14:39:47 +0000 (16:39 +0200)]
OMAP: DSS2: Support for Samsung LTE430WQ-F0C

Add support for Samsung LTE430WQ-F0C to panel-generic-dpi.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Delay regulator_get() calls
Tomi Valkeinen [Tue, 22 Feb 2011 13:53:46 +0000 (15:53 +0200)]
OMAP: DSS2: Delay regulator_get() calls

DSS submodules DPI/SDI/DSI/VENC require a regulator to function.
However, if the board doesn't use, say, SDI, the board shouldn't need to
configure vdds_sdi regulator required by the SDI module.

Currently the regulators are acquired when the DSS driver is loaded.
This means that if the kernel is configured with SDI, vdds_sdi regulator
is needed for all boards.

This patch changes the DSS driver to acquire the regulators only when a
display of particular type is initialized. For example, vdds_sdi is
acquired when sdi_init_display() is called.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: Fix def_disp module param description
Jani Nikula [Wed, 16 Feb 2011 10:53:44 +0000 (04:53 -0600)]
OMAP: DSS2: Fix def_disp module param description

MODULE_PARM_DESC() takes the name of the actual module parameter, not the
name of the variable, as input. Fix the module parameter description for
def_disp.

Signed-off-by: Jani Nikula <jani@nikula.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP4: DSS2: Add hwmod device names for OMAP4.
Mayuresh Janorkar [Thu, 27 Jan 2011 11:17:04 +0000 (11:17 +0000)]
OMAP4: DSS2: Add hwmod device names for OMAP4.

Add hwmod device names for OMAP4; this enables device build for omap4 dss
hwmod IPs.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2PLUS: DSS2: Add OMAP4 Kconfig support
Mayuresh Janorkar [Wed, 16 Feb 2011 04:54:29 +0000 (22:54 -0600)]
OMAP2PLUS: DSS2: Add OMAP4 Kconfig support

Enable DSS2 and OMAPFB for OMAP4 in Kconfig

Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP4: DSS2: clocks: Add ick as dummy clock
Sumit Semwal [Mon, 31 Jan 2011 16:27:46 +0000 (16:27 +0000)]
OMAP4: DSS2: clocks: Add ick as dummy clock

DSS code uses ick as one of the clocks in clk_get/clk_put. OMAP4 clock database
doesn't have ick for DSS, so adding ick as dummy clock.

This is needed for backward compatibility with OMAP2/3.

Once pm_runtime* APIs get introduced in DSS, this will be revisited.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2PLUS: DSS2: Generalize external clock names in struct dss of dss.c
Archit Taneja [Mon, 31 Jan 2011 16:27:45 +0000 (16:27 +0000)]
OMAP2PLUS: DSS2: Generalize external clock names in struct dss of dss.c

The dss struct in dss.c has omap2/3 specific clock names. Making them generic,
to increase readability and extendability.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2PLUS: DSS2: Generalize naming of PRCM related clock enums in DSS driver
Archit Taneja [Mon, 31 Jan 2011 16:27:44 +0000 (16:27 +0000)]
OMAP2PLUS: DSS2: Generalize naming of PRCM related clock enums in DSS driver

enum dss_clock structure is replaced with generic names that
could be used across OMAP2420, 2430, 3xxx, 44xx platforms.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2PLUS: clocks: Align DSS clock names and roles
Sumit Semwal [Mon, 31 Jan 2011 16:27:43 +0000 (16:27 +0000)]
OMAP2PLUS: clocks: Align DSS clock names and roles

Currently, clock database has <dev, clock-name> tuples for DSS2. Because of
this, the clock names are different across different OMAP platforms.

This patch aligns the DSS2 clock names and roles across OMAP 2420, 2430, 3xxx,
44xx platforms in the clock databases, hwmod databases for opt-clocks, and DSS
clock handling.

This ensures that clk_get/put/enable/disable APIs in DSS can use uniform role
names.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2,3: DSS2: Get DSS IRQ from platform device
Senthilvadivu Guruswamy [Wed, 16 Feb 2011 05:14:00 +0000 (23:14 -0600)]
OMAP2,3: DSS2: Get DSS IRQ from platform device

DSS IRQ number can be obtained from platform_get_irq().  This API in turn
picks the right IRQ number belonging to HW IP from the hwmod database.
So hardcoding of IRQ number could be removed.

This IRQ is stored in dss_irq as part of dss structure, and freed it in
dss_exit().

Reviewed-by: Paul Walmsley <paul@pwsan.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2,3: DSS2: Use platform device to get baseaddr
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:22:04 +0000 (06:22 +0000)]
OMAP2,3: DSS2: Use platform device to get baseaddr

DSS, DISPC, DSI, RFBI, VENC baseaddr can be obtained from platform_get_resource().
This API in turn picks the right silicon baseaddr from the hwmod database.
So hardcoding of base addr could be removed.

Reviewed-by: Paul Walmsley <paul@pwsan.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2,3: DSS2: replace printk with dev_dbg in init
Sumit Semwal [Mon, 24 Jan 2011 06:22:03 +0000 (06:22 +0000)]
OMAP2,3: DSS2: replace printk with dev_dbg in init

This patch replaces printk's in the init/probe functions to dev_dbg
for boot time optimization.

Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: DSI: create platform_driver, move init, exit to driver
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:22:02 +0000 (06:22 +0000)]
OMAP2, 3: DSS2: DSI: create platform_driver, move init, exit to driver

Hwmod adaptation design requires each of the DSS HW IP to be a platform driver.
So a platform_driver for DSI is created and init exit methods are moved from core.c
to its driver probe,remove. pdev member has to be maintained by its own drivers.

Also, vdds_dsi regulator handling is copied to dsi.c, since vdds_dsi regulator is
needed by dpi_init() too. Board files are updated accordingly to add 2 instances of
vdds_dsi regulator.

DSI platform driver is registered from inside omap_dss_probe, in the order desired.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: VENC: create platform_driver, move init, exit to driver
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:22:01 +0000 (06:22 +0000)]
OMAP2, 3: DSS2: VENC: create platform_driver, move init, exit to driver

Hwmod adaptation design requires each of the DSS HW IP to be a platform driver.
So a platform_driver for VENC is created and init exit methods are moved from core.c
to its driver probe,remove. pdev member has to be maintained by its own drivers.

Also, venc_vdda_dac reading is moved to venc.c.

VENC platform driver is registered from inside omap_dss_probe, in the order desired.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: DISPC: create platform_driver, move init, exit to driver
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:22:00 +0000 (06:22 +0000)]
OMAP2, 3: DSS2: DISPC: create platform_driver, move init, exit to driver

Hwmod adaptation design requires each of the DSS HW IP to be a platform driver.
So a platform_driver for DISPC is created and init exit methods are moved from core.c
to its driver probe,remove. pdev member has to be maintained by its own drivers.

DISPC platform driver is registered from inside omap_dss_probe, in the order desired.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: RFBI: create platform_driver, move init, exit to driver
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:21:59 +0000 (06:21 +0000)]
OMAP2, 3: DSS2: RFBI: create platform_driver, move init, exit to driver

Hwmod adaptation design requires each of the DSS HW IP to be a platform driver.
So a platform_driver for RFBI is created and init exit methods are moved from core.c
to its driver probe,remove. pdev member has to be maintained by its own drivers.

RFBI platform driver is registered from inside omap_dss_probe, in the order desired.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: Move clocks from core driver to dss driver
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:21:58 +0000 (06:21 +0000)]
OMAP2, 3: DSS2: Move clocks from core driver to dss driver

All clock management is moved to dss platform driver. clk_get/put APIs use
dss device instead of core platform device.

Hwmod adaptation design requires each of the DSS HW IP to be a platform driver.
So the device name is changed from omapdss to omapdss_dss in 2420, 2430,
3xxx clock database files. Now the core driver "omapdss" only takes care
of panel registration with the custom bus.
core driver also uses the clk_enable() / clk_disable() APIs exposed by DSS for
clock management.
DSS driver would do clock management of clocks needed by DISPC, RFBI, DSI, VENC

TODO:  The clock content would be adapted to omap_hwmod in a seperate series.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: DSS: create platform_driver, move init, exit to driver
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:21:57 +0000 (06:21 +0000)]
OMAP2, 3: DSS2: DSS: create platform_driver, move init, exit to driver

Hwmod adaptation design requires each of the DSS HW IP to be a platform driver.
So a platform_driver of DSS is created and init exit methods are moved from core.c
to its driver probe,remove. pdev member has to be maintained by its own drivers.

DSS platform driver is registered from inside omap_dss_probe, in the order desired.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2,3: DSS2: Build omap_device for each DSS HWIP
Senthilvadivu Guruswamy [Mon, 24 Jan 2011 06:21:56 +0000 (06:21 +0000)]
OMAP2,3: DSS2: Build omap_device for each DSS HWIP

Looks up the hwmod database for each of the given DSS HW IP and builds
omap_device which inturn does the platform device register for each of DSS HW IP

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP2, 3: DSS2: remove forced clk-disable from omap_dss_remove
Sumit Semwal [Mon, 24 Jan 2011 06:21:48 +0000 (06:21 +0000)]
OMAP2, 3: DSS2: remove forced clk-disable from omap_dss_remove

As part of omap hwmod changes, DSS will not be the only controller of its
clocks. hwmod initialization also enables the interface clocks, and
manages them.
So, when DSS is built as a module, omap_dss_remove doesn't try to disable
all clocks that have a higher usecount.

Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: 3430SDP: Remove unused vdda_dac supply
Tomi Valkeinen [Thu, 24 Feb 2011 07:02:28 +0000 (09:02 +0200)]
OMAP: 3430SDP: Remove unused vdda_dac supply

Remove extra vdda_dac supply definition. It was a leftover from conflict
resolution.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoMerge branch 'for_2.6.39/pm-misc' of ssh://master.kernel.org/pub/scm/linux/kernel...
Tony Lindgren [Fri, 11 Mar 2011 02:54:14 +0000 (18:54 -0800)]
Merge branch 'for_2.6.39/pm-misc' of ssh:///linux/kernel/git/khilman/linux-omap-pm into omap-for-linus

13 years agoOMAP3: PM: Clear the SCTLR C bit in asm code to prevent data cache allocation
Santosh Shilimkar [Sun, 23 Jan 2011 17:21:09 +0000 (22:51 +0530)]
OMAP3: PM: Clear the SCTLR C bit in asm code to prevent data cache allocation

On the newer ARM processors like CortexA8, CortexA9, the caches can be
speculatively loaded while they are getting flushed.

Clear the SCTLR C bit to prevent further data cache allocation as
part of cache clean routine

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: PM: Remove un-necessary cp15 registers form low power cpu context
Santosh Shilimkar [Sun, 23 Jan 2011 16:07:03 +0000 (21:37 +0530)]
OMAP3: PM: Remove un-necessary cp15 registers form low power cpu context

The current code saves few un-necessary registers which are read-only or
write-only, unused CP15 registers.

Remove them and keep only necessary CP15 registers part of
low power context save/restore.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: PM: Allow the cache clean when L1 is lost.
Santosh Shilimkar [Sun, 23 Jan 2011 14:03:53 +0000 (19:33 +0530)]
OMAP3: PM: Allow the cache clean when L1 is lost.

When L1 cache is suppose to be lost, it needs to be cleaned before
entrering to the low power mode.

While at this, also fix few comments and remove un-necessary
clean_l2 lable.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: PM: Fix the MMU on sequence in the asm code
Santosh Shilimkar [Sun, 23 Jan 2011 10:34:39 +0000 (16:04 +0530)]
OMAP3: PM: Fix the MMU on sequence in the asm code

Add necessary barriers after enabling MMU. Also use the sane way to
load pc and jump to it instead of executing ldma first up.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: PM: Use ARMv7 supported instructions instead of legacy CP15 ones
Santosh Shilimkar [Sun, 23 Jan 2011 13:30:34 +0000 (19:00 +0530)]
OMAP3: PM: Use ARMv7 supported instructions instead of legacy CP15 ones

On ARMv7 dsb, dmb instructions are supported and can be used directly
instead of their cp15 equivalnet. Also remove the opcodes for smc
and use the available instruction directly in OMAP3 low power asm code

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP2+: smartreflex: remove SR debug directory in omap_sr_remove()
Anand S Sawant [Thu, 17 Feb 2011 15:57:30 +0000 (21:27 +0530)]
OMAP2+: smartreflex: remove SR debug directory in omap_sr_remove()

omap_sr_probe() creates the smartreflex debug directory and its
underlying nvalue debug directory. These directories are removed in
omap_sr_remove().

Basic smartreflex functionality tested on OMAP3630 Zoom3 & OMAP4430 SDP

Signed-off-by: Anand S Sawant <sawant@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoARM: omap3: Thumb-2 compatibility for sleep34xx.S
Dave Martin [Fri, 4 Mar 2011 15:33:57 +0000 (15:33 +0000)]
ARM: omap3: Thumb-2 compatibility for sleep34xx.S

 * Build unconditionally as ARM for correct interoperation with
   OMAP firmware.

 * Fix an out-of-range ADR when building for ARM.

 * Remove deprecated PC-relative stores.

 * Add the required ENDPROC() directive for each ENTRY().

 * .align before data words.

 * Handle non-interworking return from v7_flush_dcache_all.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoARM: omap3: Thumb-2 compatibility for sram34xx.S
Dave Martin [Fri, 4 Mar 2011 15:33:56 +0000 (15:33 +0000)]
ARM: omap3: Thumb-2 compatibility for sram34xx.S

 * Build unconditionally as ARM for correct interoperation with
   OMAP firmware.

 * Remove deprecated PC-relative stores

 * Add the required ENDPROC() directive for each ENTRY().

 * .align before data words

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Tested-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoARM: omap3: Remove hand-encoded SMC instructions
Dave Martin [Fri, 4 Mar 2011 15:33:55 +0000 (15:33 +0000)]
ARM: omap3: Remove hand-encoded SMC instructions

For various reasons, Linux now only officially supports being built
with tools which are new enough to understand the SMC instruction.

Replacing the hand-encoded instructions when the mnemonic also
allows for correct assembly in Thumb-2 (otherwise, the result is
random data in the middle of the code).

The Makefile already ensures that this file is built with a high
enough gcc -march= flag (armv7-a).

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoARM: omap4: Convert END() to ENDPROC() for correct linkage with CONFIG_THUMB2_KERNEL
Dave Martin [Fri, 4 Mar 2011 15:33:54 +0000 (15:33 +0000)]
ARM: omap4: Convert END() to ENDPROC() for correct linkage with CONFIG_THUMB2_KERNEL

Code marked with ENTRY() also needs a matching ENDPROC() directive,
in order to ensure that the type and instruction set of the
symbol are correctly annotated.

ENDPROC() tags the affected symbol as a function symbol, which will
ensure that link-time fixups don't accidentally switch to the
wrong instruction set.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoARM: omap4: Provide do_wfi() for Thumb-2
Dave Martin [Fri, 4 Mar 2011 15:33:53 +0000 (15:33 +0000)]
ARM: omap4: Provide do_wfi() for Thumb-2

For CONFIG_THUMB2_KERNEL, the existing definition of do_wfi() will
insert invalid code into the instruction stream.

Any assembler which can assemble Thumb-2 is guaranteed to accept
the "wfi" mnemonic, so for the Thumb-2 case, just use the mnemonic.

The ARM case is left as-is.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: PM: Initialize IVA only if available
Sanjeev Premi [Fri, 25 Feb 2011 13:27:20 +0000 (18:57 +0530)]
OMAP3: PM: Initialize IVA only if available

IVA device is not present in many OMAP3 variants.

This patch ensures that initialization is tied to
the presence of IVA on the device.

Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: PM: Set/clear T2 bit for Smartreflex on TWL
Thara Gopinath [Tue, 15 Feb 2011 07:58:58 +0000 (13:28 +0530)]
OMAP3: PM: Set/clear T2 bit for Smartreflex on TWL

Voltage control on TWL can be done using VMODE/I2C1/I2C_SR.
Since almost all platforms use I2C_SR on omap3, omap3_twl_init by
default expects that OMAP's I2C_SR is plugged in to TWL's I2C
and calls omap3_twl_set_sr_bit. On platforms where I2C_SR is not connected,
the board files are expected to call omap3_twl_set_sr_bit(false) to
ensure that I2C_SR path is not set for voltage control and prevent
the default behavior of omap3_twl_init.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Shweta Gulati <shweta.gulati@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoomap3: cpuidle: Add description field to each C-state.
Santosh Shilimkar [Fri, 11 Feb 2011 15:12:12 +0000 (20:42 +0530)]
omap3: cpuidle: Add description field to each C-state.

Add a description field to each idle C-state. This helps to give
better data with PowerTop and one don't have to refer to the code
to link what Cx means from system point of view while analysing
PowerTop data.

No functional change.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoomap3: pm: Use exported set_cr() instead of a custom one.
Santosh Shilimkar [Fri, 11 Feb 2011 15:12:11 +0000 (20:42 +0530)]
omap3: pm: Use exported set_cr() instead of a custom one.

Remove the custom restore_control_register() and use the exported
set_cr() instead to set the system control register(SCTRL) value.

No functional change.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP2/3: PM: remove unnecessary wakeup/sleep dependency clear
Paul Walmsley [Thu, 27 Jan 2011 09:52:55 +0000 (02:52 -0700)]
OMAP2/3: PM: remove unnecessary wakeup/sleep dependency clear

The OMAP2 and OMAP3 PM code clears clockdomain wakeup and sleep
dependencies.  This is unnecessary after commit
6f7f63cc9adf3192e6fcac4e8bed5cc10fd924aa ("OMAP clockdomain:
initialize clockdomain registers when the clockdomain layer starts")
which clears these dependencies during clockdomain init.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP2+: remove unused UART base addresses from omap_globals
Kevin Hilman [Fri, 21 Jan 2011 22:30:15 +0000 (14:30 -0800)]
OMAP2+: remove unused UART base addresses from omap_globals

Now that omap_hwmod + omap_device is used for OMAP UART device and
driver code, we no longer need the UART physical addresses in
omap_globals.

Note that the #defines for the base addresses are still left in
<plat/serial.h> since they are used by DEBUG_LL and uncompress code.

Build tested for OMAP1 (omap1_defconfig) and OMAP2+ (omap2plus_defconfig)

Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP: PM: SmartReflex: fix potential NULL dereference
Vasiliy Kulikov [Wed, 19 Jan 2011 12:57:22 +0000 (15:57 +0300)]
OMAP: PM: SmartReflex: fix potential NULL dereference

kzalloc() may fail, if so return -ENOMEM.  Also Walter Harms suggested
to use kasprintf() instead of kzalloc+strcpy+strcat.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3: beagle xm: enable up to 800MHz OPP
Nishanth Menon [Fri, 7 Jan 2011 15:41:13 +0000 (09:41 -0600)]
OMAP3: beagle xm: enable up to 800MHz OPP

OMP3630 silicon can enable higher frequencies only depending on the board
characteristics meeting the recommended standards, and has to be selectively
toggled.

Beagle XM uses 3730 variant and the board design allows enabling 800MHz and
1GHz OPPs. However, We need Smart reflex class 1.5 and ABB to enable 1GHz
safely.  For the moment, we tweak the default table to allow for 800Mhz OPP
usage.

Reported-by: Koen Kooi <koen@beagleboard.org>
Tested-by: Koen Kooi <koen@beagleboard.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3|4: OPP: make omapx_opp_init non-static
Menon, Nishanth [Wed, 5 Jan 2011 20:49:35 +0000 (20:49 +0000)]
OMAP3|4: OPP: make omapx_opp_init non-static

omap3 and omap4 opp_init should be made non-static to allow
for platform specific opp table tweaking. making these static
conflicts with the definition in pm.h(global) as well.
we include pm.h as well to ensure that there are no such prototype
conflicts with actual implementation in the future.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoOMAP3630: PM: don't warn the user with a trace in case of PM34XX_ERRATUM
Ricardo Salveti de Araujo [Mon, 31 Jan 2011 13:35:25 +0000 (11:35 -0200)]
OMAP3630: PM: don't warn the user with a trace in case of PM34XX_ERRATUM

In case in user has a OMAP3630 < ES1.2 the kernel should warn the user
about the ERRATUM, but using pr_warn instead of WARN_ON is already
enough, as there is nothing else the user can do besides changing the
board.

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoMAINTAINERS: update Kevin's email for OMAP PM section
Kevin Hilman [Tue, 4 Jan 2011 23:33:08 +0000 (15:33 -0800)]
MAINTAINERS: update Kevin's email for OMAP PM section

Change my email to TI email address for OMAP PM maintenance.

Signed-off-by: Kevin Hilman <khilman@ti.com>
13 years agoMerge branch 'omap-l3-for-next' of git://dev.omapzoom.org/pub/scm/santosh/kernel...
Tony Lindgren [Wed, 9 Mar 2011 21:15:49 +0000 (13:15 -0800)]
Merge branch 'omap-l3-for-next' of git://dev.omapzoom.org/santosh/kernel-omap4-base into omap-for-linus

13 years agoOMAP2/3: VENC hwmod: add OCPIF_SWSUP_IDLE flag to interface
Paul Walmsley [Fri, 4 Mar 2011 06:02:15 +0000 (06:02 +0000)]
OMAP2/3: VENC hwmod: add OCPIF_SWSUP_IDLE flag to interface

According to the hwmod interface data, the DSS submodule "VENC" uses a
clock, "dss_54m_fck"/"dss_tv_fck", which the PRCM cannot autoidle.  By
default, the hwmod code assumes that interface clocks can be autoidled
by the PRCM.  When the interface clock can't be autoidled by the PRCM,
those interfaces must be marked with the OCPIF_SWSUP_IDLE flag.
Otherwise, the "interface clock" will always have a non-zero use
count, and the device won't enter idle.  This problem was observed on
N8x0.

Fix the immediate problem by marking the VENC interface with the
OCPIF_SWSUP_IDLE flag.  But it's not clear that
"dss_54m_fck"/"dss_tv_fck" is really the correct interface clock for
VENC.  It may be that the VENC interface should use a
hardware-autoidling interface clock.  This is the situation on OMAP4,
which uses "l3_div_ck" as the VENC interface clock, which can be
autoidled by the PRCM.  Clarification from TI is needed.

Problem found and patch tested on N8x0 by Tony Lindgren
<tony@atomide.com>.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Senthilvadivu Guruswamy <svadivu@ti.com>
Cc: Sumit Semwal <sumit.semwal@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
13 years agoOMAP4: l3: Introduce l3-interconnect error handling driver
Santosh Shilimkar [Mon, 7 Mar 2011 15:23:10 +0000 (20:53 +0530)]
OMAP4: l3: Introduce l3-interconnect error handling driver

The driver provides the information regarding the ocp errors
that gets logged in the interconnect. The error information
gives the detail regarding the target that was attempted
to be accessed and its corresponding address.

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
13 years agoOMAP4: Initialise the l3 device with the hwmod data.
sricharan [Wed, 9 Mar 2011 10:30:29 +0000 (16:00 +0530)]
OMAP4: Initialise the l3 device with the hwmod data.

The l3 interconnect device is build with all the data required
to handle the error logging. The data is extracted from the
hwmod data base.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: sricharan <r.sricharan@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
13 years agoOMAP4: hwmod_data: Add address space and irq in L3 hwmod.
sricharan [Mon, 7 Feb 2011 15:42:11 +0000 (21:12 +0530)]
OMAP4: hwmod_data: Add address space and irq in L3 hwmod.

Add the address spaces, irqs of the l3 interconnect to the
hwmod data. The hwmod change is aligned with Benoit Cousson.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: sricharan <r.sricharan@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
13 years agoOMAP3: l3: Introduce l3-interconnect error handling driver
Felipe Balbi [Mon, 7 Mar 2011 14:05:20 +0000 (19:35 +0530)]
OMAP3: l3: Introduce l3-interconnect error handling driver

The driver provides the information regarding the ocp errors
that gets logged in the interconnect.The error info provides
the details regarding the master or the target that
generated the error, type of error and the corresponding address.
The stack dump is also provided.

Signed-off-by: sricharan <r.sricharan@ti.com>
[r.sricharan@ti.com: Enhacements, major cleanup and made it functional]
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[santosh.shilimkar@ti.com: Driver design changes as per OMAP4 version]
Signed-off-by: Felipe Balbi <balbi@ti.com>
[balbi@ti.com: Initial version of the driver]
Acked-by: Benoit Cousson <b-cousson@ti.com>
13 years agoOMAP3: devices: Initialise the l3 device with the hwmod data.
sricharan [Tue, 8 Feb 2011 08:40:45 +0000 (14:10 +0530)]
OMAP3: devices: Initialise the l3 device with the hwmod data.

The l3 interconnect device is build with all the data required
to handle the error logging. The data is extracted from the
hwmod database.

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
13 years agoOMAP3: hwmod_data: Add address space and irq in L3 hwmod.
sricharan [Tue, 8 Feb 2011 16:43:37 +0000 (22:13 +0530)]
OMAP3: hwmod_data: Add address space and irq in L3 hwmod.

Add the address spaces, irqs of the l3 interconnect to the
hwmod data. The hwmod changes are aligned with Benoit Cousson.

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
13 years agoaudio : AM3517 : Adding i2c info for AIC23 codec
Abhilash Vadakkepat Koyamangalath [Tue, 8 Mar 2011 15:13:24 +0000 (15:13 +0000)]
audio : AM3517 : Adding i2c info for AIC23 codec

The i2c_board_info entry supporting AIC23 codec was added into
the i2c2 bus.

Signed-off-by: Abhilash K V <abhilash.kv@ti.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
13 years agoOMAP1: McBSP: fix build break for non-multi-OMAP1 configs
Paul Walmsley [Fri, 4 Mar 2011 22:36:46 +0000 (22:36 +0000)]
OMAP1: McBSP: fix build break for non-multi-OMAP1 configs

Commit 3cf32bba8ca0e0052ca41d74d455a5805b7fea85 ("OMAP: McBSP: Convert
McBSP to platform device model") breaks compilation with non-multi-OMAP1
configs:

  CC      arch/arm/mach-omap1/mcbsp.o
arch/arm/mach-omap1/mcbsp.c: In function 'omap1_mcbsp_init':
arch/arm/mach-omap1/mcbsp.c:384: warning: dereferencing 'void *' pointer
arch/arm/mach-omap1/mcbsp.c:387: error: invalid use of void expression
arch/arm/mach-omap1/mcbsp.c:390: warning: dereferencing 'void *' pointer
arch/arm/mach-omap1/mcbsp.c:393: error: invalid use of void expression

Fix by avoiding NULL dereferences.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
[tony@atomide.com: updated description not to remove unnecessary branch name]
Signed-off-by: Tony Lindgren <tony@atomide.com>
13 years agoLinux 2.6.38-rc8
Linus Torvalds [Tue, 8 Mar 2011 05:09:37 +0000 (21:09 -0800)]
Linux 2.6.38-rc8

13 years agoMerge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Tue, 8 Mar 2011 04:46:39 +0000 (20:46 -0800)]
Merge branch 's5p-fixes-for-linus' of git://git./linux/kernel/git/kgene/linux-samsung

* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: S3C64XX: Update regulator names for debugfs compatiblity on SMDK6410
  ARM: S3C64XX: Fix build with WM1190 disabled and WM1192 enabled on SMDK6410
  ARM: S3C64XX: Reduce output of s3c64xx_dma_init1()
  ARM: S3C64XX: Tone down SDHCI debugging
  ARM: S3C64XX: Add clock for i2c1
  ARM: S3C64XX: Staticise non-exported GPIO to interrupt functions
  ARM: SAMSUNG: Include devs.h in dev-uart.c to prototype devices
  ARM: S3C64XX: Fix keypad setup to configure correct number of rows
  ARM: S3C2440: Fix usage gpio bank j pin definitions on GTA02
  ARM: S5P64X0: Fix number of GPIO lines in Bank F
  ARM: S3C2440: Select missing S3C_DEV_USB_HOST on GTA02

13 years agoMerge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Tue, 8 Mar 2011 04:45:42 +0000 (20:45 -0800)]
Merge branch 'fixes' of /home/rmk/linux-2.6-arm

* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
  davinci: cpufreq: fix section mismatch warning
  DaVinci: fix compilation warnings in <mach/clkdev.h>
  davinci: tnetv107x: fix register indexing for GPIOs numbers > 31
  davinci: da8xx/omap-l1x: add platform device for davinci-pcm-audio
  ARM: pxa/tosa: register wm9712 codec device
  ARM: pxa: enable pxa-pcm-audio on pxa210/pxa25x platform
  ARM: pxa/colibri: don't register pxa2xx-pcmcia nodes on non-colibri platforms
  ARM: pxa/tosa: drop setting LED trigger name, as it's unsupported now
  ARM: 6762/1: Update number of VIC for S5P6442 and S5PC100
  ARM: 6761/1: Update number of VIC for S5PV210
  ARM: 6768/1: hw_breakpoint: ensure debug logic is powered up on v7 cores
  ARM: 6767/1: ptrace: fix register indexing in GETHBPREGS request
  ARM: 6765/1: remove obsolete comment from asm/mach/arch.h
  ARM: 6757/1: fix tlb.h induced linux/swap.h build failure

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Linus Torvalds [Tue, 8 Mar 2011 04:45:12 +0000 (20:45 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/cjb/mmc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
  mmc: sdio: Allow sdio operations in other threads during sdio_add_func()

13 years agoMerge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Tue, 8 Mar 2011 04:43:55 +0000 (20:43 -0800)]
Merge branch 'drm-fixes' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: index i shadowed in 2nd loop
  drm/nv50-nvc0: prevent multiple vm/bar flushes occuring simultanenously
  drm/nouveau: fix regression causing ttm to not be able to evict vram
  drm/i915: Rebind the buffer if its alignment constraints changes with tiling
  drm/i915: Disable GPU semaphores by default
  drm/i915: Do not overflow the MMADDR write FIFO
  Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing"

13 years agodrm: index i shadowed in 2nd loop
roel [Mon, 7 Mar 2011 17:00:34 +0000 (18:00 +0100)]
drm: index i shadowed in 2nd loop

Index i was already used in thhe first loop

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agommc: sdio: Allow sdio operations in other threads during sdio_add_func()
Dmitry Shmidt [Thu, 3 Mar 2011 22:40:10 +0000 (17:40 -0500)]
mmc: sdio: Allow sdio operations in other threads during sdio_add_func()

This fixes a bug introduced by 807e8e40673d ("mmc: Fix sd/sdio/mmc
initialization frequency retries") that prevented SDIO drivers from
performing SDIO commands in their probe routines -- the above patch
called mmc_claim_host() before sdio_add_func(), which causes a deadlock
if an external SDIO driver calls sdio_claim_host().

Fix tested on an OLPC XO-1.75 with libertas on SDIO.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Reviewed-and-Tested-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
13 years agoMerge remote branch 'ickle/drm-intel-fixes' into drm-fixes
Dave Airlie [Mon, 7 Mar 2011 21:18:35 +0000 (07:18 +1000)]
Merge remote branch 'ickle/drm-intel-fixes' into drm-fixes

* ickle/drm-intel-fixes:
  drm/i915: Rebind the buffer if its alignment constraints changes with tiling
  drm/i915: Disable GPU semaphores by default
  drm/i915: Do not overflow the MMADDR write FIFO
  Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing"

13 years agoMerge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 7 Mar 2011 21:15:02 +0000 (13:15 -0800)]
Merge branch 'omap-fixes-for-linus' of git://git./linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  omap: mailbox: resolve hang issue
  OMAP2+: PM: SmartReflex: fix memory leaks in Smartreflex driver
  arm: mach-omap2: smartreflex: fix another memory leak

13 years agoMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Mon, 7 Mar 2011 21:14:19 +0000 (13:14 -0800)]
Merge branch 'for-linus' of git://git390.marist.edu/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] tape: deadlock on system work queue
  [S390] keyboard: integer underflow bug
  [S390] xpram: remove __initdata attribute from module parameters

13 years agodrm/nv50-nvc0: prevent multiple vm/bar flushes occuring simultanenously
Ben Skeggs [Mon, 7 Mar 2011 07:18:04 +0000 (17:18 +1000)]
drm/nv50-nvc0: prevent multiple vm/bar flushes occuring simultanenously

The per-vm mutex doesn't prevent this completely, a flush coming from the
BAR VM could potentially happen at the same time as one for the channel
VM.  Not to mention that if/when we get per-client/channel VM, this will
happen far more frequently.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/nouveau: fix regression causing ttm to not be able to evict vram
Ben Skeggs [Mon, 7 Mar 2011 07:18:03 +0000 (17:18 +1000)]
drm/nouveau: fix regression causing ttm to not be able to evict vram

TTM assumes an error condition from man->func->get_node() means that
something went horribly wrong, and causes it to bail.

The driver is supposed to return 0, and leave mm_node == NULL to
signal that it couldn't allocate any memory.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/i915: Rebind the buffer if its alignment constraints changes with tiling
Chris Wilson [Mon, 7 Mar 2011 10:42:03 +0000 (10:42 +0000)]
drm/i915: Rebind the buffer if its alignment constraints changes with tiling

Early gen3 and gen2 chipset do not have the relaxed per-surface tiling
constraints of the later chipsets, so we need to check that the GTT
alignment is correct for the new tiling. If it is not, we need to
rebind.

Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
13 years agodrm/i915: Disable GPU semaphores by default
Chris Wilson [Fri, 4 Mar 2011 18:48:03 +0000 (18:48 +0000)]
drm/i915: Disable GPU semaphores by default

Andi Kleen narrowed his GPU hangs on his Sugar Bay (SNB desktop) rev 09
down to the use of GPU semaphores, and we already know that they appear
broken up to Huron River (mobile) rev 08. (I'm optimistic that disabling
GPU semaphores is simply hiding another bug by the latency and
side-effects of the additional device interaction it introduces...)

However, use of semaphores is a massive performance improvement... Only
as long as the system remains stable. Enable at your peril.

Reported-by: Andi Kleen <andi-fd@firstfloor.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=33921
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Sun, 6 Mar 2011 18:44:49 +0000 (10:44 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Don't set to D3 in Cirrus errata init verbs
  ALSA: hda - add new Fermi 5xx codec IDs to snd-hda
  ASoC: WM8994: Ensure late enable events are processed for the ADCs
  ASoC: WM8994: Don't disable the AIF[1|2]CLK_ENA unconditionaly
  ASoC: Fix WM9081 platform data initialisation
  ALSA: hda - Fix unable to record issue on ASUS N82JV
  ALSA: HDA: Realtek: Fixup jack detection to input subsystem

13 years agovirtio: console: Don't access vqs if device was unplugged
Amit Shah [Fri, 4 Mar 2011 03:34:33 +0000 (14:04 +1030)]
virtio: console: Don't access vqs if device was unplugged

If a virtio-console device gets unplugged while a port is open, a
subsequent close() call on the port accesses vqs to free up buffers.
This can lead to a crash.

The buffers are already freed up as a result of the call to
unplug_ports() from virtcons_remove().  The fix is to simply not access
vq information if port->portdev is NULL.

Reported-by: juzhang <juzhang@redhat.com>
CC: stable@kernel.org
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Sun, 6 Mar 2011 11:37:42 +0000 (12:37 +0100)]
Merge branch 'fix/asoc' into for-linus

13 years agodrm/i915: Do not overflow the MMADDR write FIFO
Chris Wilson [Fri, 4 Mar 2011 19:22:40 +0000 (19:22 +0000)]
drm/i915: Do not overflow the MMADDR write FIFO

Whilst the GT is powered down (rc6), writes to MMADDR are placed in a
FIFO by the System Agent. This is a limited resource, only 64 entries, of
which 20 are reserved for Display and PCH writes, and so we must take
care not to queue up too many writes. To avoid this, there is counter
which we can poll to ensure there are sufficient free entries in the
fifo.

"Issuing a write to a full FIFO is not supported; at worst it could
result in corruption or a system hang."

Reported-and-Tested-by: Matt Turner <mattst88@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34056
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
13 years agoRevert "drm/i915: fix corruptions on i8xx due to relaxed fencing"
Chris Wilson [Sun, 6 Mar 2011 09:03:16 +0000 (09:03 +0000)]
Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing"

This reverts commit c2e0eb167070a6e9dcb49c84c13c79a30d672431.

As it turns out, userspace already depends upon being able to enable
tiling on existing bo which it promises to be large enough for its
purposes i.e. it will not access beyond the end of the last full-tile
row.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=35016
Reported-and-tested-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
Linus Torvalds [Sat, 5 Mar 2011 18:43:22 +0000 (10:43 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sage/ceph-client

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: no .snap inside of snapped namespace
  libceph: fix msgr standby handling
  libceph: fix msgr keepalive flag
  libceph: fix msgr backoff
  libceph: retry after authorization failure
  libceph: fix handling of short returns from get_user_pages
  ceph: do not clear I_COMPLETE from d_release
  ceph: do not set I_COMPLETE
  Revert "ceph: keep reference to parent inode on ceph_dentry"

13 years agomm: use correct numa policy node for transparent hugepages
Andi Kleen [Sat, 5 Mar 2011 01:36:32 +0000 (17:36 -0800)]
mm: use correct numa policy node for transparent hugepages

Pass down the correct node for a transparent hugepage allocation.  Most
callers continue to use the current node, however the hugepaged daemon
now uses the previous node of the first to be collapsed page instead.
This ensures that khugepaged does not mess up local memory for an
existing process which uses local policy.

The choice of node is somewhat primitive currently: it just uses the
node of the first page in the pmd range.  An alternative would be to
look at multiple pages and use the most popular node.  I used the
simplest variant for now which should work well enough for the case of
all pages being on the same node.

[akpm@linux-foundation.org: coding-style fixes]
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agomm: preserve original node for transparent huge page copies
Andi Kleen [Sat, 5 Mar 2011 01:36:31 +0000 (17:36 -0800)]
mm: preserve original node for transparent huge page copies

This makes a difference for LOCAL policy, where the node cannot be
determined from the policy itself, but has to be gotten from the original
page.

Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agomm: add alloc_page_vma_node()
Andi Kleen [Sat, 5 Mar 2011 01:36:30 +0000 (17:36 -0800)]
mm: add alloc_page_vma_node()

Add a alloc_page_vma_node that allows passing the "local" node in.  Used
in a followon patch.

Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agomm: change alloc_pages_vma to pass down the policy node for local policy
Andi Kleen [Sat, 5 Mar 2011 01:36:29 +0000 (17:36 -0800)]
mm: change alloc_pages_vma to pass down the policy node for local policy

Currently alloc_pages_vma() always uses the local node as policy node for
the LOCAL policy.  Pass this node down as an argument instead.

No behaviour change from this patch, but will be needed for followons.

Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoRapidIO: Update MAINTAINERS
Alexandre Bounine [Sat, 5 Mar 2011 01:36:28 +0000 (17:36 -0800)]
RapidIO: Update MAINTAINERS

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/video/backlight/ltv350qv.c: fix a memory leak
Axel Lin [Sat, 5 Mar 2011 01:36:27 +0000 (17:36 -0800)]
drivers/video/backlight/ltv350qv.c: fix a memory leak

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMAINTAINERS: add maintainer of Samsung Mobile Machine support
Kyungmin Park [Sat, 5 Mar 2011 01:36:26 +0000 (17:36 -0800)]
MAINTAINERS: add maintainer of Samsung Mobile Machine support

Add maintainer of Samsung Mobile machine support.  Currently, Aquila,
Goni, Universal (C210), and Nuri board are supported.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Joe Perches <joe@perches.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agopps: make pps_gen_parport depend on BROKEN
Thomas Gleixner [Sat, 5 Mar 2011 01:36:23 +0000 (17:36 -0800)]
pps: make pps_gen_parport depend on BROKEN

This driver causes hard lockups, when the active clock soure is jiffies.

The reason is that it loops with interrupts disabled waiting for a
timestamp to be reached by polling getnstimeofday().  Though with a
jiffies clocksource, when that code runs on the same CPU which is
responsible for updating jiffies, then we loop in circles for ever
simply because the timer interrupt cannot update jiffies.  So both UP
and SMP can be affected.

There is no easy fix for that problem so make it depend on BROKEN for
now.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Cc: Rodolfo Giometti <giometti@linux.it>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/misc/bmp085.c: add MODULE_DEVICE_TABLE
Axel Lin [Sat, 5 Mar 2011 01:36:22 +0000 (17:36 -0800)]
drivers/misc/bmp085.c: add MODULE_DEVICE_TABLE

The device table is required to load modules based on modaliases.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Shubhrajyoti D <shubhrajyoti@ti.com>
Cc: Christoph Mair <christoph.mair@gmail.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agocpuset: add a missing unlock in cpuset_write_resmask()
Li Zefan [Sat, 5 Mar 2011 01:36:21 +0000 (17:36 -0800)]
cpuset: add a missing unlock in cpuset_write_resmask()

Don't forget to release cgroup_mutex if alloc_trial_cpuset() fails.

[akpm@linux-foundation.org: avoid multiple return points]
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Miao Xie <miaox@cn.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/rtc/rtc-s3c.c: fix prototype for s3c_rtc_setaie()
Axel Lin [Sat, 5 Mar 2011 01:36:19 +0000 (17:36 -0800)]
drivers/rtc/rtc-s3c.c: fix prototype for s3c_rtc_setaie()

Fix s3c_rtc_setaie() prototype to eliminate the following compile
warning:

  drivers/rtc/rtc-s3c.c:383: warning: initialization from incompatible pointer type

(akpm: the rtc_class_ops.alarm_irq_enable() handler is being passed two
arguments where it expects just one, presumably with undesired effects)

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier...
Linus Torvalds [Sat, 5 Mar 2011 01:31:43 +0000 (17:31 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/vapier/blackfin

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin:
  Blackfin: iflush: update anomaly 05000491 workaround
  Blackfin: outs[lwb]: make sure count is greater than 0