diff options
| author | Chen Ni <nichen@iscas.ac.cn> | 2026-01-29 12:07:14 +0800 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2026-02-14 11:09:47 +0100 |
| commit | cbfb9c715f33a07a46d577fe8d62869eb6363064 (patch) | |
| tree | 081d2d3258f8c20ed828164688015638854c22f9 /drivers/video/fbdev | |
| parent | 8e9bf8b9e8c0a3e1ef16dd48260a113f65ed01d2 (diff) | |
fbdev: au1100fb: Check return value of clk_enable() in .resume()
Check the return value of clk_enable() in au1100fb_drv_resume() and
return the error on failure.
This ensures the system is aware of the resume failure and can track
its state accurately.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/au1100fb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c index 6251a6b07b3a..feaa1061c436 100644 --- a/drivers/video/fbdev/au1100fb.c +++ b/drivers/video/fbdev/au1100fb.c @@ -567,13 +567,16 @@ int au1100fb_drv_suspend(struct platform_device *dev, pm_message_t state) int au1100fb_drv_resume(struct platform_device *dev) { struct au1100fb_device *fbdev = platform_get_drvdata(dev); + int ret; if (!fbdev) return 0; memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs)); - clk_enable(fbdev->lcdclk); + ret = clk_enable(fbdev->lcdclk); + if (ret) + return ret; /* Unblank the LCD */ au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info); |