linux-kernel - [PATCH] FBTFT: fb_agm1264k: usleep

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Date:   Sun,  8 Sep 2019 20:26:05 -0500
From:   Sreeram Veluthakkal <srrmvlt@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     nishadkamdar@...il.com, jeremy@...zel.net,
        thomas.petazzoni@...e-electrons.com,
        payal.s.kshirsagar.98@...il.com, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Sreeram Veluthakkal <srrmvlt@...il.com>
Subject: [PATCH] FBTFT: fb_agm1264k: usleep_range is preferred over udelay

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 <srrmvlt@...il.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