linux-kernel - [PATCH 4.13 32/85] can: flexcan: fix i.MX6 state transition issue

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Message-Id: <20171024125655.283372926@linuxfoundation.org>
Date:   Tue, 24 Oct 2017 15:07:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zhu Yi <yi.zhu5@...bosch.com>,
        Mark Jonas <mark.jonas@...bosch.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 4.13 32/85] can: flexcan: fix i.MX6 state transition issue

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: ZHU Yi (ST-FIR/ENG1-Zhu) <Yi.Zhu5@...bosch.com>

commit cf9c04677f2bf599b44511963039ec6e25583feb upstream.

Enable FLEXCAN_QUIRK_BROKEN_PERR_STATE for i.MX6 to report correct state
transitions.

Signed-off-by: Zhu Yi <yi.zhu5@...bosch.com>
Signed-off-by: Mark Jonas <mark.jonas@...bosch.com>
Acked-by: Wolfgang Grandegger <wg@...ndegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -289,7 +289,7 @@ static const struct flexcan_devtype_data
 
 static const struct flexcan_devtype_data fsl_imx6q_devtype_data = {
 	.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
-		FLEXCAN_QUIRK_USE_OFF_TIMESTAMP,
+		FLEXCAN_QUIRK_USE_OFF_TIMESTAMP | FLEXCAN_QUIRK_BROKEN_PERR_STATE,
 };
 
 static const struct flexcan_devtype_data fsl_vf610_devtype_data = {