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Message-id: <003001ce366d$de38c280$9aaa4780$%han@samsung.com>
Date: Thu, 11 Apr 2013 13:34:34 +0900
From: Jingoo Han <jg1.han@...sung.com>
To: 'Arnd Bergmann' <arnd@...db.de>,
linux-arm-kernel@...ts.infradead.org
Cc: 'Tomi Valkeinen' <tomi.valkeinen@...com>,
linux-kernel@...r.kernel.org, 'Kukjin Kim' <kgene.kim@...sung.com>,
linux-samsung-soc@...r.kernel.org, linux-fbdev@...r.kernel.org,
'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH 13/30] video/s3c: move platform_data out of arch/arm
On Thursday, April 11, 2013 9:05 AM, Arnd Bergmann wrote:
>
> The s3c-fb driver requires header files from the samsung platforms
> to find its platform_data definition, but this no longer works on
> multiplatform kernels, so let's move the data into a new header
> file under include/linux/platform_data.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Cc: linux-fbdev@...r.kernel.org
> Cc: Jingoo Han <jg1.han@...sung.com>
CC'ed Tomi Valkeinen.
Hi Arnd,
It looks good. Thank you for your patch. :)
Acked-by: Jingoo Han <jg1.han@...sung.com>
Best regards,
Jingoo Han
> ---
> arch/arm/plat-samsung/include/plat/fb.h | 50 +-----------------------------
> drivers/video/s3c-fb.c | 3 +-
> include/linux/platform_data/video_s3c.h | 54 +++++++++++++++++++++++++++++++++
> 3 files changed, 56 insertions(+), 51 deletions(-)
> create mode 100644 include/linux/platform_data/video_s3c.h
>
> diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
> index b885322..9ae5072 100644
> --- a/arch/arm/plat-samsung/include/plat/fb.h
> +++ b/arch/arm/plat-samsung/include/plat/fb.h
> @@ -15,55 +15,7 @@
> #ifndef __PLAT_S3C_FB_H
> #define __PLAT_S3C_FB_H __FILE__
>
> -/* S3C_FB_MAX_WIN
> - * Set to the maximum number of windows that any of the supported hardware
> - * can use. Since the platform data uses this for an array size, having it
> - * set to the maximum of any version of the hardware can do is safe.
> - */
> -#define S3C_FB_MAX_WIN (5)
> -
> -/**
> - * struct s3c_fb_pd_win - per window setup data
> - * @xres : The window X size.
> - * @yres : The window Y size.
> - * @virtual_x: The virtual X size.
> - * @virtual_y: The virtual Y size.
> - */
> -struct s3c_fb_pd_win {
> - unsigned short default_bpp;
> - unsigned short max_bpp;
> - unsigned short xres;
> - unsigned short yres;
> - unsigned short virtual_x;
> - unsigned short virtual_y;
> -};
> -
> -/**
> - * struct s3c_fb_platdata - S3C driver platform specific information
> - * @setup_gpio: Setup the external GPIO pins to the right state to transfer
> - * the data from the display system to the connected display
> - * device.
> - * @vidcon0: The base vidcon0 values to control the panel data format.
> - * @vidcon1: The base vidcon1 values to control the panel data output.
> - * @vtiming: Video timing when connected to a RGB type panel.
> - * @win: The setup data for each hardware window, or NULL for unused.
> - * @display_mode: The LCD output display mode.
> - *
> - * The platform data supplies the video driver with all the information
> - * it requires to work with the display(s) attached to the machine. It
> - * controls the initial mode, the number of display windows (0 is always
> - * the base framebuffer) that are initialised etc.
> - *
> - */
> -struct s3c_fb_platdata {
> - void (*setup_gpio)(void);
> -
> - struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN];
> - struct fb_videomode *vtiming;
> -
> - u32 vidcon0;
> - u32 vidcon1;
> -};
> +#include <linux/platform_data/video_s3c.h>
>
> /**
> * s3c_fb_set_platdata() - Setup the FB device with platform data.
> diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
> index 968a625..2e7991c 100644
> --- a/drivers/video/s3c-fb.c
> +++ b/drivers/video/s3c-fb.c
> @@ -24,10 +24,9 @@
> #include <linux/uaccess.h>
> #include <linux/interrupt.h>
> #include <linux/pm_runtime.h>
> +#include <linux/platform_data/video_s3c.h>
>
> #include <video/samsung_fimd.h>
> -#include <mach/map.h>
> -#include <plat/fb.h>
>
> /* This driver will export a number of framebuffer interfaces depending
> * on the configuration passed in via the platform data. Each fb instance
> diff --git a/include/linux/platform_data/video_s3c.h b/include/linux/platform_data/video_s3c.h
> new file mode 100644
> index 0000000..fa40f96
> --- /dev/null
> +++ b/include/linux/platform_data/video_s3c.h
> @@ -0,0 +1,54 @@
> +#ifndef __PLATFORM_DATA_VIDEO_S3C
> +#define __PLATFORM_DATA_VIDEO_S3C
> +
> +/* S3C_FB_MAX_WIN
> + * Set to the maximum number of windows that any of the supported hardware
> + * can use. Since the platform data uses this for an array size, having it
> + * set to the maximum of any version of the hardware can do is safe.
> + */
> +#define S3C_FB_MAX_WIN (5)
> +
> +/**
> + * struct s3c_fb_pd_win - per window setup data
> + * @xres : The window X size.
> + * @yres : The window Y size.
> + * @virtual_x: The virtual X size.
> + * @virtual_y: The virtual Y size.
> + */
> +struct s3c_fb_pd_win {
> + unsigned short default_bpp;
> + unsigned short max_bpp;
> + unsigned short xres;
> + unsigned short yres;
> + unsigned short virtual_x;
> + unsigned short virtual_y;
> +};
> +
> +/**
> + * struct s3c_fb_platdata - S3C driver platform specific information
> + * @setup_gpio: Setup the external GPIO pins to the right state to transfer
> + * the data from the display system to the connected display
> + * device.
> + * @vidcon0: The base vidcon0 values to control the panel data format.
> + * @vidcon1: The base vidcon1 values to control the panel data output.
> + * @vtiming: Video timing when connected to a RGB type panel.
> + * @win: The setup data for each hardware window, or NULL for unused.
> + * @display_mode: The LCD output display mode.
> + *
> + * The platform data supplies the video driver with all the information
> + * it requires to work with the display(s) attached to the machine. It
> + * controls the initial mode, the number of display windows (0 is always
> + * the base framebuffer) that are initialised etc.
> + *
> + */
> +struct s3c_fb_platdata {
> + void (*setup_gpio)(void);
> +
> + struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN];
> + struct fb_videomode *vtiming;
> +
> + u32 vidcon0;
> + u32 vidcon1;
> +};
> +
> +#endif
> --
> 1.8.1.2
--
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