From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932311AbbKRKKF (ORCPT ); Wed, 18 Nov 2015 05:10:05 -0500 Received: from eusmtp01.atmel.com ([212.144.249.242]:10944 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755390AbbKRKKA (ORCPT ); Wed, 18 Nov 2015 05:10:00 -0500 From: Wenyou Yang To: Wolfgang Grandegger , Marc Kleine-Budde CC: , , , Nicolas Ferre , Wenyou Yang Subject: [PATCH 1/2] can: m_can: Increase delay to ensure written INIT accepted Date: Wed, 18 Nov 2015 18:04:08 +0800 Message-ID: <1447841049-5010-2-git-send-email-wenyou.yang@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1447841049-5010-1-git-send-email-wenyou.yang@atmel.com> References: <1447841049-5010-1-git-send-email-wenyou.yang@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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