On Sun, Nov 01, 2020 at 02:20:10AM +0200, Hassan Shahbazi wrote: > Fix the checkpath.pl issue on fb_watterott.c. write_vmem and > write_vmem_8bit functions are within non-atomic context and can > safely use usleep_range. > see Documentation/timers/timers-howto.txt > > Signed-off-by: Hassan Shahbazi <has...@ninchat.com> > --- > drivers/staging/fbtft/fb_watterott.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/staging/fbtft/fb_watterott.c > b/drivers/staging/fbtft/fb_watterott.c > index 76b25df376b8..afcc86a17995 100644 > --- a/drivers/staging/fbtft/fb_watterott.c > +++ b/drivers/staging/fbtft/fb_watterott.c > @@ -84,7 +84,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, > size_t len) > par->txbuf.buf, 10 + par->info->fix.line_length); > if (ret < 0) > return ret; > - udelay(300); > + usleep_range(300, 310); > } > > return 0; > @@ -124,7 +124,7 @@ static int write_vmem_8bit(struct fbtft_par *par, size_t > offset, size_t len) > par->txbuf.buf, 10 + par->info->var.xres); > if (ret < 0) > return ret; > - udelay(700); > + usleep_range(700, 710);
How do you know that these ranges are ok? Are you able to test these changes with real hardware? thanks, greg k-h _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
