Re: [PATCH 13/14] mfd: twl-core: Constify struct regmap_config and reg_default array

From: Tony Lindgren
Date: Tue Jan 06 2015 - 12:15:58 EST


* Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> [150105 01:04]:
> 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@xxxxxxxxxxx>

Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>

> Cc: linux-omap@xxxxxxxxxxxxxxx
> ---
> drivers/mfd/twl-core.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
> index db11b4f40611..489674a2497e 100644
> --- 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;
> --
> 1.9.1
>
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