linux-kernel - [PATCH v2 2/6] can: tcan4x5x: Remove reserved register 0x814 from writable table

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Message-Id: <20230621093103.3134655-3-msp@baylibre.com>
Date:   Wed, 21 Jun 2023 11:30:59 +0200
From:   Markus Schneider-Pargmann <msp@...libre.com>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Michal Kubiak <michal.kubiak@...el.com>,
        Vivek Yadav <vivek.2311@...sung.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Simon Horman <simon.horman@...igine.com>,
        Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH v2 2/6] can: tcan4x5x: Remove reserved register 0x814 from writable table

The mentioned register is not writable. It is reserved and should not be
written.

Fixes: 39dbb21b6a29 ("can: tcan4x5x: Specify separate read/write ranges")
Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
Reviewed-by: Michal Kubiak <michal.kubiak@...el.com>
---
 drivers/net/can/m_can/tcan4x5x-regmap.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/can/m_can/tcan4x5x-regmap.c b/drivers/net/can/m_can/tcan4x5x-regmap.c
index 2b218ce04e9f..fafa6daa67e6 100644
--- a/drivers/net/can/m_can/tcan4x5x-regmap.c
+++ b/drivers/net/can/m_can/tcan4x5x-regmap.c
@@ -95,7 +95,6 @@ static const struct regmap_range tcan4x5x_reg_table_wr_range[] = {
 	regmap_reg_range(0x000c, 0x0010),
 	/* Device configuration registers and Interrupt Flags*/
 	regmap_reg_range(0x0800, 0x080c),
-	regmap_reg_range(0x0814, 0x0814),
 	regmap_reg_range(0x0820, 0x0820),
 	regmap_reg_range(0x0830, 0x0830),
 	/* M_CAN */
-- 
2.40.1