netdev - [net-next 09/19] can: tcan4x5x: tcan4x5x_regmap_write(): remove not needed casts and replace 4 by sizeof

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Date:   Thu,  7 Jan 2021 10:48:50 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Marc Kleine-Budde <mkl@...gutronix.de>,
        Dan Murphy <dmurphy@...com>, Sean Nyekjaer <sean@...nix.com>
Subject: [net-next 09/19] can: tcan4x5x: tcan4x5x_regmap_write(): remove not needed casts and replace 4 by sizeof

This patch simplifies the tcan4x5x_regmap_write(0 function by removing not
needed casts and replaces hardcoded "4" by appropriate sizeof()s.

Reviewed-by: Dan Murphy <dmurphy@...com>
Tested-by: Sean Nyekjaer <sean@...nix.com>
Link: https://lore.kernel.org/r/20201215231746.1132907-10-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/m_can/tcan4x5x-regmap.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/can/m_can/tcan4x5x-regmap.c b/drivers/net/can/m_can/tcan4x5x-regmap.c
index 8f718f4395c3..6345bcb7704f 100644
--- a/drivers/net/can/m_can/tcan4x5x-regmap.c
+++ b/drivers/net/can/m_can/tcan4x5x-regmap.c
@@ -38,10 +38,9 @@ static int tcan4x5x_regmap_gather_write(void *context, const void *reg,
 
 static int tcan4x5x_regmap_write(void *context, const void *data, size_t count)
 {
-	u16 *reg = (u16 *)(data);
-	const u32 *val = data + 4;
-
-	return tcan4x5x_regmap_gather_write(context, reg, 4, val, count - 4);
+	return tcan4x5x_regmap_gather_write(context, data, sizeof(u32),
+					    data + sizeof(u32),
+					    count - sizeof(u32));
 }
 
 static int tcan4x5x_regmap_read(void *context,
-- 
2.29.2