Replace udelay(100) calls with usleep_range(100, 200) to allow the scheduler to yield instead of busy-waiting. This is the preferred API for sleep durations above 10 microseconds.
Signed-off-by: Olle Lukowski <[email protected]> --- This patch replaces udelay() with usleep_range() in fb_ra8875. --- drivers/staging/fbtft/fb_ra8875.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/fbtft/fb_ra8875.c b/drivers/staging/fbtft/fb_ra8875.c index 0ab1de664..d2400bb44 100644 --- a/drivers/staging/fbtft/fb_ra8875.c +++ b/drivers/staging/fbtft/fb_ra8875.c @@ -210,7 +210,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) } len--; - udelay(100); + usleep_range(100, 200); if (len) { buf = (u8 *)par->buf; @@ -231,7 +231,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) /* restore user spi-speed */ par->fbtftops.write = fbtft_write_spi; - udelay(100); + usleep_range(100, 200); } static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len) --- base-commit: 211ddde0823f1442e4ad052a2f30f050145ccada change-id: 20251020-staging-fbtft-ra8875-usleep-77306ea543c7 Best regards, -- Olle Lukowski <[email protected]>
