Hi On Wed, 14 Oct 2020 08:21:37 +0000 Xu Wang <vu...@iscas.ac.cn> wrote:
> Because clk_enable, clk_disable, clk_prepare, and clk_unprepare already > checked NULL clock parameter, so the additional checks are unnecessary, > just remove them. All clk_*() functions seem to handle NULL pointers gracefully, so you can also remove these checks from the driver's _probe and _remove functions. Best regards Thomas > > Signed-off-by: Xu Wang <vu...@iscas.ac.cn> > --- > drivers/video/fbdev/au1100fb.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c > index 37a6512feda0..3659dfbb81c1 100644 > --- a/drivers/video/fbdev/au1100fb.c > +++ b/drivers/video/fbdev/au1100fb.c > @@ -560,8 +560,7 @@ int au1100fb_drv_suspend(struct platform_device *dev, > pm_message_t state) /* Blank the LCD */ > au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info); > > - if (fbdev->lcdclk) > - clk_disable(fbdev->lcdclk); > + clk_disable(fbdev->lcdclk); > > memcpy(&fbregs, fbdev->regs, sizeof(struct au1100fb_regs)); > > @@ -577,8 +576,7 @@ int au1100fb_drv_resume(struct platform_device *dev) > > memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs)); > > - if (fbdev->lcdclk) > - clk_enable(fbdev->lcdclk); > + clk_enable(fbdev->lcdclk); > > /* Unblank the LCD */ > au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info); -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer
