From 100832abf065bc186ae48165c16546784b90a4be Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 21 Jan 2015 00:56:03 +0200 Subject: [PATCH] usb: isp1760: Make HCD support optional Enable compilation of the isp1760 driver in pure host mode, pure device mode, or dual-role mode. Signed-off-by: Laurent Pinchart Signed-off-by: Felipe Balbi --- drivers/usb/isp1760/Kconfig | 47 +++++++++++++++++++++++++++---- drivers/usb/isp1760/Makefile | 3 +- drivers/usb/isp1760/isp1760-hcd.h | 25 ++++++++++++++++ drivers/usb/isp1760/isp1760-udc.h | 4 +-- 4 files changed, 71 insertions(+), 8 deletions(-) diff --git a/drivers/usb/isp1760/Kconfig b/drivers/usb/isp1760/Kconfig index c09ab8fa0e10..c94b7d953399 100644 --- a/drivers/usb/isp1760/Kconfig +++ b/drivers/usb/isp1760/Kconfig @@ -1,6 +1,6 @@ config USB_ISP1760 tristate "NXP ISP 1760/1761 support" - depends on USB + depends on USB || USB_GADGET help Say Y or M here if your system as an ISP1760 USB host controller or an ISP1761 USB dual-role controller. @@ -14,9 +14,46 @@ config USB_ISP1760 To compile this driver as a module, choose M here: the module will be called isp1760. +config USB_ISP1760_HCD + bool + config USB_ISP1761_UDC - boolean "NXP ISP1761 USB Device Controller" - depends on USB_ISP1760 && USB_GADGET + bool + +if USB_ISP1760 + +choice + bool "ISP1760 Mode Selection" + default USB_ISP1760_DUAL_ROLE if (USB && USB_GADGET) + default USB_ISP1760_HOST_ROLE if (USB && !USB_GADGET) + default USB_ISP1760_GADGET_ROLE if (!USB && USB_GADGET) + +config USB_ISP1760_HOST_ROLE + bool "Host only mode" + depends on USB=y || USB=USB_ISP1760 + select USB_ISP1760_HCD + help + Select this if you want to use the ISP1760 in host mode only. The + gadget function will be disabled. + +config USB_ISP1760_GADGET_ROLE + bool "Gadget only mode" + depends on USB_GADGET=y || USB_GADGET=USB_ISP1760 + select USB_ISP1761_UDC + help + Select this if you want to use the ISP1760 in peripheral mode only. + The host function will be disabled. + +config USB_ISP1760_DUAL_ROLE + bool "Dual Role mode" + depends on USB=y || USB=USB_ISP1760 + depends on USB_GADGET=y || USB_GADGET=USB_ISP1760 + select USB_ISP1760_HCD + select USB_ISP1761_UDC help - The NXP ISP1761 is a dual-role high-speed USB host and device - controller. + Select this if you want to use the ISP1760 in both host and + peripheral modes. + +endchoice + +endif diff --git a/drivers/usb/isp1760/Makefile b/drivers/usb/isp1760/Makefile index 698ccb0b2c65..2b741074ad2b 100644 --- a/drivers/usb/isp1760/Makefile +++ b/drivers/usb/isp1760/Makefile @@ -1,4 +1,5 @@ -isp1760-y := isp1760-core.o isp1760-hcd.o isp1760-if.o +isp1760-y := isp1760-core.o isp1760-if.o +isp1760-$(CONFIG_USB_ISP1760_HCD) += isp1760-hcd.o isp1760-$(CONFIG_USB_ISP1761_UDC) += isp1760-udc.o obj-$(CONFIG_USB_ISP1760) += isp1760.o diff --git a/drivers/usb/isp1760/isp1760-hcd.h b/drivers/usb/isp1760/isp1760-hcd.h index df7ea3684b77..0c1c98d6ea08 100644 --- a/drivers/usb/isp1760/isp1760-hcd.h +++ b/drivers/usb/isp1760/isp1760-hcd.h @@ -47,6 +47,7 @@ enum isp1760_queue_head_types { }; struct isp1760_hcd { +#ifdef CONFIG_USB_ISP1760_HCD struct usb_hcd *hcd; u32 hcs_params; @@ -64,8 +65,10 @@ struct isp1760_hcd { unsigned i_thresh; unsigned long reset_done; unsigned long next_statechange; +#endif }; +#ifdef CONFIG_USB_ISP1760_HCD int isp1760_hcd_register(struct isp1760_hcd *priv, void __iomem *regs, struct resource *mem, int irq, unsigned long irqflags, struct device *dev); @@ -73,5 +76,27 @@ void isp1760_hcd_unregister(struct isp1760_hcd *priv); int isp1760_init_kmem_once(void); void isp1760_deinit_kmem_cache(void); +#else +static inline int isp1760_hcd_register(struct isp1760_hcd *priv, + void __iomem *regs, struct resource *mem, + int irq, unsigned long irqflags, + struct device *dev) +{ + return 0; +} + +static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv) +{ +} + +static inline int isp1760_init_kmem_once(void) +{ + return 0; +} + +static inline void isp1760_deinit_kmem_cache(void) +{ +} +#endif #endif /* _ISP1760_HCD_H_ */ diff --git a/drivers/usb/isp1760/isp1760-udc.h b/drivers/usb/isp1760/isp1760-udc.h index 4af6ba6eda86..26899ed81145 100644 --- a/drivers/usb/isp1760/isp1760-udc.h +++ b/drivers/usb/isp1760/isp1760-udc.h @@ -62,7 +62,7 @@ struct isp1760_ep { * connected: Tracks gadget driver bus connection state */ struct isp1760_udc { -#if CONFIG_USB_ISP1761_UDC +#ifdef CONFIG_USB_ISP1761_UDC struct isp1760_device *isp; int irq; @@ -87,7 +87,7 @@ struct isp1760_udc { #endif }; -#if CONFIG_USB_ISP1761_UDC +#ifdef CONFIG_USB_ISP1761_UDC int isp1760_udc_register(struct isp1760_device *isp, int irq, unsigned long irqflags); void isp1760_udc_unregister(struct isp1760_device *isp); -- 2.20.1