diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-28 02:51:07 +0400 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-12-04 02:09:50 +0400 |
| commit | 69166ed01949fdb9df17b5b87d64b27501bc6f53 (patch) | |
| tree | a29d3ee6d8ba128fdf2463cce3e888689da534b4 /drivers/video | |
| parent | 4277f2c4667187cbbdd3da3be31ee681bc6b8300 (diff) | |
| download | linux-69166ed01949fdb9df17b5b87d64b27501bc6f53.tar.xz | |
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@opensource.wolfsonmicro.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | 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 cf1d11f5bfb8..e84677e6f5ed 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, |