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Date:   Mon, 14 Sep 2020 10:49:56 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Cc:     Srinivas Neeli <srinivas.neeli@...inx.com>,
        Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Naga Sureshkumar Relli <naga.sureshkumar.relli@...inx.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        linux-arm-kernel@...ts.infradead.org, linux-can@...r.kernel.org,
        netdev@...r.kernel.org
Subject: [PATCH 1/3] can: xilinx_can: Limit CANFD brp to 2

From: Srinivas Neeli <srinivas.neeli@...inx.com>

Bit enlarging is observed for CANFD2.0 when brp is 1,
So change brp_min value to 2.

Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 drivers/net/can/xilinx_can.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index c1dbab8c896d..f4b544b69646 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -259,7 +259,7 @@ static const struct can_bittiming_const xcan_bittiming_const_canfd2 = {
 	.tseg2_min = 1,
 	.tseg2_max = 128,
 	.sjw_max = 128,
-	.brp_min = 1,
+	.brp_min = 2,
 	.brp_max = 256,
 	.brp_inc = 1,
 };
@@ -272,7 +272,7 @@ static struct can_bittiming_const xcan_data_bittiming_const_canfd2 = {
 	.tseg2_min = 1,
 	.tseg2_max = 16,
 	.sjw_max = 16,
-	.brp_min = 1,
+	.brp_min = 2,
 	.brp_max = 256,
 	.brp_inc = 1,
 };
-- 
2.28.0

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