> -----Original Message-----
> From: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Subject: [PATCH 1/2] video: s3c-fb: Unify runtime and system PM functions
>
> The s3c-fb driver has separate runtime and system PM functions but the
> implementations are identical so far as I can tell so unify them for
> simplicity.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Thank you.
> ---
> drivers/video/s3c-fb.c | 75 +-------------------------------------------
> ----
> 1 files changed, 1 insertions(+), 74 deletions(-)
>
> diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
> index cf1d11f..e84677e 100644
> --- a/drivers/video/s3c-fb.c
> +++ b/drivers/video/s3c-fb.c
> @@ -1590,77 +1590,9 @@ static int s3c_fb_resume(struct device *dev)
>
> return 0;
> }
> -
> -static int s3c_fb_runtime_suspend(struct device *dev)
> -{
> - struct platform_device *pdev = to_platform_device(dev);
> - struct s3c_fb *sfb = platform_get_drvdata(pdev);
> - struct s3c_fb_win *win;
> - int win_no;
> -
> - for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) {
> - win = sfb->windows[win_no];
> - if (!win)
> - continue;
> -
> - /* use the blank function to push into power-down */
> - s3c_fb_blank(FB_BLANK_POWERDOWN, win->fbinfo);
> - }
> -
> - if (!sfb->variant.has_clksel)
> - clk_disable(sfb->lcd_clk);
> -
> - clk_disable(sfb->bus_clk);
> - return 0;
> -}
> -
> -static int s3c_fb_runtime_resume(struct device *dev)
> -{
> - struct platform_device *pdev = to_platform_device(dev);
> - struct s3c_fb *sfb = platform_get_drvdata(pdev);
> - struct s3c_fb_platdata *pd = sfb->pdata;
> - struct s3c_fb_win *win;
> - int win_no;
> -
> - clk_enable(sfb->bus_clk);
> -
> - if (!sfb->variant.has_clksel)
> - clk_enable(sfb->lcd_clk);
> -
> - /* setup gpio and output polarity controls */
> - pd->setup_gpio();
> - writel(pd->vidcon1, sfb->regs + VIDCON1);
> -
> - /* zero all windows before we do anything */
> - for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++)
> - s3c_fb_clear_win(sfb, win_no);
> -
> - for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) {
> - void __iomem *regs = sfb->regs + sfb->variant.keycon;
> -
> - regs += (win_no * 8);
> - writel(0xffffff, regs + WKEYCON0);
> - writel(0xffffff, regs + WKEYCON1);
> - }
> -
> - /* restore framebuffers */
> - for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) {
> - win = sfb->windows[win_no];
> - if (!win)
> - continue;
> -
> - dev_dbg(&pdev->dev, "resuming window %d\n", win_no);
> - s3c_fb_set_par(win->fbinfo);
> - }
> -
> - return 0;
> -}
> -
> #else
> #define s3c_fb_suspend NULL
> #define s3c_fb_resume NULL
> -#define s3c_fb_runtime_suspend NULL
> -#define s3c_fb_runtime_resume NULL
> #endif
>
>
> @@ -1985,12 +1917,7 @@ static struct platform_device_id s3c_fb_driver_ids[]
> = {
> };
> MODULE_DEVICE_TABLE(platform, s3c_fb_driver_ids);
>
> -static const struct dev_pm_ops s3cfb_pm_ops = {
> - .suspend = s3c_fb_suspend,
> - .resume = s3c_fb_resume,
> - .runtime_suspend = s3c_fb_runtime_suspend,
> - .runtime_resume = s3c_fb_runtime_resume,
> -};
> +static UNIVERSAL_DEV_PM_OPS(s3cfb_pm_ops, s3c_fb_suspend, s3c_fb_resume,
> NULL);
>
> static struct platform_driver s3c_fb_driver = {
> .probe = s3c_fb_probe,
> --
> 1.7.1
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