linux-kernel - [PATCH] FBTFT: fb_sh: Changed udelay() to usleep_range() based on the Document, Documentation/timers/timers-howto.rst Excerpt from the document: -SLEEPING FOR ~USECS OR SMALL MSECS ( 10us

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Message-Id: <20191103005906.17112-1-ramakumar.kanasundara@gmail.com>
Date:   Sat,  2 Nov 2019 19:59:06 -0500
From:   rama <ramakumar.kanasundara@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     jeremy@...zel.net, nishadkamdar@...il.com,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        rama <ramakumar.kanasundara@...il.com>
Subject: [PATCH] FBTFT: fb_sh: Changed udelay() to usleep_range() based on the Document, Documentation/timers/timers-howto.rst Excerpt from the document: -SLEEPING FOR ~USECS OR SMALL MSECS ( 10us - 20ms):           * Use usleep_range

---
 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..471a145e3c00 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(20,20);
 	gpiod_set_value(par->gpio.reset, 1);
 	mdelay(120);
 }
-- 
2.17.1