Re: [PATCH v2 4/7] ARM: davinci: creation of gpio platform devicefor dmxxx platforms

From: Sekhar Nori
Date: Thu Jun 20 2013 - 02:18:55 EST


On 6/14/2013 3:05 PM, Philip Avinash wrote:
> gpio controller resource information being associated with
> davinci_soc_info structure and not created any device. Hence davinci
> gpio didn't fall under proper device model. This patch creates gpio
> davinci as a platform device for dmxxx platforms.
> Also add daivinci_register_gpio API to create platform device for dmxxx
> platforms.
>
> Signed-off-by: Philip Avinash <avinashphilip@xxxxxx>
> Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
> ---
> arch/arm/mach-davinci/devices.c | 13 +++++++++++++
> arch/arm/mach-davinci/include/mach/common.h | 2 ++
> 2 files changed, 15 insertions(+)
>
> diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
> index a7068a3..b4f345b 100644
> --- a/arch/arm/mach-davinci/devices.c
> +++ b/arch/arm/mach-davinci/devices.c
> @@ -313,6 +313,19 @@ static void davinci_init_wdt(void)
> platform_device_register(&davinci_wdt_device);
> }
>
> +static struct platform_device davinci_gpio_device = {
> + .name = "davinci_gpio",
> + .id = -1,
> +};
> +
> +int davinci_gpio_register(struct resource *res, int size, void *pdata)
> +{
> + davinci_gpio_device.resource = res;
> + davinci_gpio_device.num_resources = size;
> + davinci_gpio_device.dev.platform_data = pdata;
> + return platform_device_register(&davinci_gpio_device);
> +}
> +
> /*-------------------------------------------------------------------------*/
>
> /*-------------------------------------------------------------------------*/
> diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
> index b124b77..bd389ba 100644
> --- a/arch/arm/mach-davinci/include/mach/common.h
> +++ b/arch/arm/mach-davinci/include/mach/common.h
> @@ -14,6 +14,7 @@
>
> #include <linux/compiler.h>
> #include <linux/types.h>
> +#include <linux/ioport.h>
>
> extern void davinci_timer_init(void);
>
> @@ -83,6 +84,7 @@ extern void davinci_common_init(struct davinci_soc_info *soc_info);
> extern void davinci_init_ide(void);
> void davinci_restart(char mode, const char *cmd);
> void davinci_init_late(void);
> +int davinci_gpio_register(struct resource *res, int size, void *pdata);

This declaration should not be inserted into this globally visible header.
There is a local davinci.h for the same purpose.

I did the fix for you. Here is the updated patch I am committing.
I fixed the description in a manner similar to 3/7.

Thanks,
Sekhar