linux-kernel - [PATCH 5.10 100/112] Revert "can: xilinx

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Date:   Tue, 19 Jul 2022 13:54:33 +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, Srinivas Neeli <srinivas.neeli@...inx.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 100/112] Revert "can: xilinx_can: Limit CANFD brp to 2"

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

[ Upstream commit c6da4590fe819dfe28a4f8037a8dc1e056542fb4 ]

This reverts commit 05ca14fdb6fe65614e0652d03e44b02748d25af7.

On early silicon engineering samples observed bit shrinking issue when
we use brp as 1. Hence updated brp_min as 2. As in production silicon
this issue is fixed, so reverting the patch.

Link: https://lore.kernel.org/all/20220609082433.1191060-2-srinivas.neeli@xilinx.com
Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 1c42417810fc..1a3fba352cad 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 = 2,
+	.brp_min = 1,
 	.brp_max = 256,
 	.brp_inc = 1,
 };
@@ -272,7 +272,7 @@ static const struct can_bittiming_const xcan_data_bittiming_const_canfd2 = {
 	.tseg2_min = 1,
 	.tseg2_max = 16,
 	.sjw_max = 16,
-	.brp_min = 2,
+	.brp_min = 1,
 	.brp_max = 256,
 	.brp_inc = 1,
 };
-- 
2.35.1