mfd: twl-core: Constify struct regmap_config and reg_default array

The regmap_config struct may be const because it is not modified by the
driver and regmap_init() accepts pointer to const. Make array of
struct reg_default const as well.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index db11b4f406116124ca86d82b1cec6d2e358c99c2..489674a2497e042b4431545b687a52fe0bd59d71 100644 (file)
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -207,7 +207,7 @@ static struct twl_mapping twl4030_map[] = {
        { 2, TWL5031_BASEADD_INTERRUPTS },
 };
 
-static struct reg_default twl4030_49_defaults[] = {
+static const struct reg_default twl4030_49_defaults[] = {
        /* Audio Registers */
        { 0x01, 0x00}, /* CODEC_MODE    */
        { 0x02, 0x00}, /* OPTION        */
@@ -306,7 +306,7 @@ static const struct regmap_access_table twl4030_49_volatile_table = {
        .n_yes_ranges = ARRAY_SIZE(twl4030_49_volatile_ranges),
 };
 
-static struct regmap_config twl4030_regmap_config[4] = {
+static const struct regmap_config twl4030_regmap_config[4] = {
        {
                /* Address 0x48 */
                .reg_bits = 8,
@@ -369,7 +369,7 @@ static struct twl_mapping twl6030_map[] = {
        { 1, TWL6030_BASEADD_GASGAUGE },
 };
 
-static struct regmap_config twl6030_regmap_config[3] = {
+static const struct regmap_config twl6030_regmap_config[3] = {
        {
                /* Address 0x48 */
                .reg_bits = 8,
@@ -1087,7 +1087,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
        struct twl4030_platform_data    *pdata = dev_get_platdata(&client->dev);
        struct device_node              *node = client->dev.of_node;
        struct platform_device          *pdev;
-       struct regmap_config            *twl_regmap_config;
+       const struct regmap_config      *twl_regmap_config;
        int                             irq_base = 0;
        int                             status;
        unsigned                        i, num_slaves;