Messages in this thread Patch in this message | | | From | Hassan Shahbazi <> | Subject | [PATCH] staging: fbtft: fb_watterott: fix usleep_range is preferred over udelay | Date | Sun, 1 Nov 2020 02:20:10 +0200 |
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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 <hassan@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); } return 0; -- 2.25.1
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