[PATCH] staging: fbtft: fb_tinylcd: replace udelay() with fsleep()

From: tomasz . unger

Date: Thu Feb 19 2026 - 06:27:29 EST


From: Tomasz Unger <tomasz.unger@xxxxxxxx>

fsleep() is the preferred modern API for flexible sleeping as it
automatically selects the best sleep mechanism based on the duration.
Replace udelay() with fsleep() to improve power efficiency.

Signed-off-by: Tomasz Unger <tomasz.unger@xxxxxxxx>
---
drivers/staging/fbtft/fb_tinylcd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fbtft/fb_tinylcd.c b/drivers/staging/fbtft/fb_tinylcd.c
index 9469248f2c50..3fb15df31592 100644
--- a/drivers/staging/fbtft/fb_tinylcd.c
+++ b/drivers/staging/fbtft/fb_tinylcd.c
@@ -41,7 +41,7 @@ static int init_display(struct fbtft_par *par)
0x00, 0x35, 0x33, 0x00, 0x00, 0x00);
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, 0x55);
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
- udelay(250);
+ fsleep(250);
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);

return 0;
--
2.53.0