linux-kernel - [PATCH 1/2] can: m_can: Increase delay to ensure written INIT accepted

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Date:	Wed, 18 Nov 2015 18:04:08 +0800
From:	Wenyou Yang <wenyou.yang@...el.com>
To:	Wolfgang Grandegger <wg@...ndegger.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>
CC:	<linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Wenyou Yang <wenyou.yang@...el.com>
Subject: [PATCH 1/2] can: m_can: Increase delay to ensure written INIT accepted

Increase the delay time until the value written to INIT can be
read back to ensure that the previous value written to INIT has
been accepted.

Signed-off-by: Wenyou Yang <wenyou.yang@...el.com>
---

 drivers/net/can/m_can/m_can.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index ef65517..fd1caa0 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -320,7 +320,7 @@ static inline void m_can_config_endisable(const struct m_can_priv *priv,
 					  bool enable)
 {
 	u32 cccr = m_can_read(priv, M_CAN_CCCR);
-	u32 timeout = 10;
+	u32 timeout = 1000;
 	u32 val = 0;
 
 	if (enable) {
-- 
1.7.9.5

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