linux-kernel - Re: [PATCH v2 7/7] gpio_msm: Move Qualcomm MSM v2 gpio driver into drivers

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Date:	Sat, 4 Jun 2011 00:45:35 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	David Brown <davidb@...eaurora.org>
Cc:	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: [PATCH v2 7/7] gpio_msm: Move Qualcomm MSM v2 gpio driver into
 drivers

On Fri, Jun 03, 2011 at 03:44:19PM -0700, David Brown wrote:
> Migrate the driver for the v7-based MSM chips into drivers/gpio.  The
> driver is unchanged, only moved.
> 
> Signed-off-by: David Brown <davidb@...eaurora.org>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Acked-by: Nicolas Pitre <nicolas.pitre@...aro.org>

Similar to patch 6, some comments below.

> ---
>  arch/arm/mach-msm/Kconfig                          |    1 +
>  arch/arm/mach-msm/Makefile                         |    6 ------
>  drivers/gpio/Kconfig                               |    8 ++++++++
>  drivers/gpio/Makefile                              |    1 +
>  .../mach-msm/gpio-v2.c => drivers/gpio/msm_v2.c    |    2 +-

drivers/gpio/gpio-msm-v2.c

>  5 files changed, 11 insertions(+), 7 deletions(-)
>  rename arch/arm/mach-msm/gpio-v2.c => drivers/gpio/msm_v2.c (99%)
> 
> diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
> index cc7c0b2..f5cce3f 100644
> --- a/arch/arm/mach-msm/Kconfig
> +++ b/arch/arm/mach-msm/Kconfig
> @@ -47,6 +47,7 @@ config ARCH_MSM8X60
>  	select ARM_GIC
>  	select CPU_V7
>  	select MSM_V2_TLMM
> +	select GPIO_MSM_V2
>  	select MSM_GPIOMUX
>  	select MSM_SCM if SMP
>  
> diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
> index c0709af..7a227d1 100644
> --- a/arch/arm/mach-msm/Makefile
> +++ b/arch/arm/mach-msm/Makefile
> @@ -29,9 +29,3 @@ obj-$(CONFIG_ARCH_MSM8960) += board-msm8960.o devices-msm8960.o
>  obj-$(CONFIG_ARCH_MSM7X30) += gpiomux-v1.o gpiomux.o
>  obj-$(CONFIG_ARCH_QSD8X50) += gpiomux-8x50.o gpiomux-v1.o gpiomux.o
>  obj-$(CONFIG_ARCH_MSM8X60) += gpiomux-8x60.o gpiomux-v2.o gpiomux.o
> -ifdef CONFIG_MSM_V2_TLMM
> -ifndef CONFIG_ARCH_MSM8960
> -# TODO: TLMM Mapping issues need to be resolved
> -obj-y	+= gpio-v2.o
> -endif
> -endif
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index c19ecd6a..e415661 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -172,6 +172,14 @@ config GPIO_MSM_V1
>  	  Qualcomm MSM chips.  Most of the pins on the MSM can be
>  	  selected for GPIO, and are controlled by this driver.
>  
> +config GPIO_MSM_V2
> +	tristate "Qualcomm MSM GPIO v2"
> +	depends on GPIOLIB && ARCH_MSM
> +	help
> +	  Say yes here to support the GPIO interface on ARM v7 based
> +	  Qualcomm MSM chips.  Most of the pins on the MSM can be
> +	  selected for GPIO, and are controlled by this driver.
> +

Keep list sorted.

>  comment "I2C GPIO expanders:"
>  
>  config GPIO_MAX7300
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index 2a7c24c..d85cb9e 100644
> --- a/drivers/gpio/Makefile
> +++ b/drivers/gpio/Makefile
> @@ -46,6 +46,7 @@ obj-$(CONFIG_GPIO_JANZ_TTL)	+= janz-ttl.o
>  obj-$(CONFIG_GPIO_SX150X)	+= sx150x.o
>  obj-$(CONFIG_GPIO_VX855)	+= vx855_gpio.o
>  obj-$(CONFIG_GPIO_MSM_V1)	+= msm_v1.o
> +obj-$(CONFIG_GPIO_MSM_V2)	+= msm_v2.o

ditto

>  obj-$(CONFIG_GPIO_ML_IOH)	+= ml_ioh_gpio.o
>  obj-$(CONFIG_AB8500_GPIO)       += ab8500-gpio.o
>  obj-$(CONFIG_GPIO_TPS65910)	+= tps65910-gpio.o
> diff --git a/arch/arm/mach-msm/gpio-v2.c b/drivers/gpio/msm_v2.c
> similarity index 99%
> rename from arch/arm/mach-msm/gpio-v2.c
> rename to drivers/gpio/msm_v2.c
> index cc9c4fd..822a449 100644
> --- a/arch/arm/mach-msm/gpio-v2.c
> +++ b/drivers/gpio/msm_v2.c
> @@ -30,8 +30,8 @@
>  
>  #include <asm/mach/irq.h>
>  
> +#include <mach/msm_gpiomux.h>
>  #include <mach/msm_iomap.h>
> -#include "gpiomux.h"
>  
>  /* Bits of interest in the GPIO_IN_OUT register.
>   */
> -- 
> Sent by an employee of the Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
> 
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