This patch fixes the issue:
FILE: drivers/staging/fbtft/fb_agm1264k-fl.c:88:
CHECK: usleep_range is preferred over udelay; see
Documentation/timers/timers-howto.rst
+ udelay(20);
Signed-off-by: Sreeram Veluthakkal <srrm...@gmail.com>
---
drivers/staging/fbtft/fb_agm1264k-fl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/fbtft/fb_agm1264k-fl.c
b/drivers/staging/fbtft/fb_agm1264k-fl.c
index eeeeec97ad27..2dece71fd3b5 100644
--- a/drivers/staging/fbtft/fb_agm1264k-fl.c
+++ b/drivers/staging/fbtft/fb_agm1264k-fl.c
@@ -85,7 +85,7 @@ static void reset(struct fbtft_par *par)
dev_dbg(par->info->device, "%s()\n", __func__);
gpiod_set_value(par->gpio.reset, 0);
- udelay(20);
+ usleep_range(20, 40);
gpiod_set_value(par->gpio.reset, 1);
mdelay(120);
}
--
2.17.1
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