linux-kernel - [PATCH] staging: dgnc: Fix usleep

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Message-ID: <20171107182425.GA18177@josharch>
Date:   Tue, 7 Nov 2017 13:24:25 -0500
From:   Joshua Abraham <j.abraham1776@...il.com>
To:     lidza.louina@...il.com
Cc:     markh@...pro.net, gregkh@...uxfoundation.org,
        driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, j.abraham1776@...il.com
Subject: [PATCH] staging: dgnc: Fix usleep_range is preferred over udelay

This patch fixes the issue:

CHECK: usleep_range is preferred over udelay; see
Documentation/timers/timers-howto.txt

Signed-off-by: Joshua Abraham <j.abraham1776@...il.com>
---
 drivers/staging/dgnc/dgnc_cls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index 9639035..e264fe1 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -397,7 +397,7 @@ static void cls_assert_modem_signals(struct channel_t *ch)
 	writeb(out, &ch->ch_cls_uart->mcr);
 
 	/* Give time for the UART to actually drop the signals */
-	udelay(10);
+	usleep_range(10, 20);
 }
 
 static void cls_copy_data_from_queue_to_uart(struct channel_t *ch)
-- 
2.7.4