linux-kernel - [PATCH] i2c: designware: Constify read-only struct regmap

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Message-Id: <20240705-i2c-designware-platdrv-const-regmap_config-v1-1-8c82cc63df15@gmail.com>
Date: Fri, 05 Jul 2024 20:06:25 +0200
From: Javier Carrasco <javier.carrasco.cruz@...il.com>
To: Jarkko Nikula <jarkko.nikula@...ux.intel.com>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Mika Westerberg <mika.westerberg@...ux.intel.com>, 
 Jan Dabros <jsd@...ihalf.com>, Andi Shyti <andi.shyti@...nel.org>
Cc: linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH] i2c: designware: Constify read-only struct regmap_config

`bt1_i2c_cfg` is not modified and can be declared as const to
move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 drivers/i2c/busses/i2c-designware-platdrv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 29aac9c87368..df3dc1e8093e 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -101,7 +101,7 @@ static int bt1_i2c_write(void *context, unsigned int reg, unsigned int val)
 		BT1_I2C_CTL_GO | BT1_I2C_CTL_WR | (reg & BT1_I2C_CTL_ADDR_MASK));
 }
 
-static struct regmap_config bt1_i2c_cfg = {
+static const struct regmap_config bt1_i2c_cfg = {
 	.reg_bits = 32,
 	.val_bits = 32,
 	.reg_stride = 4,

---
base-commit: 0b58e108042b0ed28a71cd7edf5175999955b233
change-id: 20240705-i2c-designware-platdrv-const-regmap_config-5bc7aa35f320

Best regards,
-- 
Javier Carrasco <javier.carrasco.cruz@...il.com>