[PATCH 21/23] ASoC: codecs: wcd939x: Constify wcd939x_sdw_ch_info

Krzysztof Kozlowski posted 23 patches 1 year, 8 months ago
[PATCH 21/23] ASoC: codecs: wcd939x: Constify wcd939x_sdw_ch_info
Posted by Krzysztof Kozlowski 1 year, 8 months ago
Driver does not modify static wcd939x_sdw_ch_info array, so it can be
made const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 sound/soc/codecs/wcd939x-sdw.c | 4 ++--
 sound/soc/codecs/wcd939x.c     | 2 +-
 sound/soc/codecs/wcd939x.h     | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wcd939x-sdw.c b/sound/soc/codecs/wcd939x-sdw.c
index 8acb5651c5bc..94b1e99a3ca0 100644
--- a/sound/soc/codecs/wcd939x-sdw.c
+++ b/sound/soc/codecs/wcd939x-sdw.c
@@ -23,7 +23,7 @@
 
 #define SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(m) (0xE0 + 0x10 * (m))
 
-static struct wcd939x_sdw_ch_info wcd939x_sdw_rx_ch_info[] = {
+static const struct wcd939x_sdw_ch_info wcd939x_sdw_rx_ch_info[] = {
 	WCD_SDW_CH(WCD939X_HPH_L, WCD939X_HPH_PORT, BIT(0)),
 	WCD_SDW_CH(WCD939X_HPH_R, WCD939X_HPH_PORT, BIT(1)),
 	WCD_SDW_CH(WCD939X_CLSH, WCD939X_CLSH_PORT, BIT(0)),
@@ -36,7 +36,7 @@ static struct wcd939x_sdw_ch_info wcd939x_sdw_rx_ch_info[] = {
 	WCD_SDW_CH(WCD939X_HIFI_PCM_R, WCD939X_HIFI_PCM_PORT, BIT(1)),
 };
 
-static struct wcd939x_sdw_ch_info wcd939x_sdw_tx_ch_info[] = {
+static const struct wcd939x_sdw_ch_info wcd939x_sdw_tx_ch_info[] = {
 	WCD_SDW_CH(WCD939X_ADC1, WCD939X_ADC_1_4_PORT, BIT(0)),
 	WCD_SDW_CH(WCD939X_ADC2, WCD939X_ADC_1_4_PORT, BIT(1)),
 	WCD_SDW_CH(WCD939X_ADC3, WCD939X_ADC_1_4_PORT, BIT(2)),
diff --git a/sound/soc/codecs/wcd939x.c b/sound/soc/codecs/wcd939x.c
index 1f94f49f9829..66af035bd0e5 100644
--- a/sound/soc/codecs/wcd939x.c
+++ b/sound/soc/codecs/wcd939x.c
@@ -414,7 +414,7 @@ static int wcd939x_io_init(struct snd_soc_component *component)
 	return 0;
 }
 
-static int wcd939x_sdw_connect_port(struct wcd939x_sdw_ch_info *ch_info,
+static int wcd939x_sdw_connect_port(const struct wcd939x_sdw_ch_info *ch_info,
 				    struct sdw_port_config *port_config,
 				    u8 enable)
 {
diff --git a/sound/soc/codecs/wcd939x.h b/sound/soc/codecs/wcd939x.h
index 756f497a337c..a6c9c6cee056 100644
--- a/sound/soc/codecs/wcd939x.h
+++ b/sound/soc/codecs/wcd939x.h
@@ -914,7 +914,7 @@ struct wcd939x_sdw_priv {
 	struct sdw_stream_config sconfig;
 	struct sdw_stream_runtime *sruntime;
 	struct sdw_port_config port_config[WCD939X_MAX_SWR_PORTS];
-	struct wcd939x_sdw_ch_info *ch_info;
+	const struct wcd939x_sdw_ch_info *ch_info;
 	bool port_enable[WCD939X_MAX_SWR_CH_IDS];
 	int active_ports;
 	int num_ports;

-- 
2.43.0
Re: [PATCH 21/23] ASoC: codecs: wcd939x: Constify wcd939x_sdw_ch_info
Posted by neil.armstrong@linaro.org 1 year, 8 months ago
On 12/06/2024 18:15, Krzysztof Kozlowski wrote:
> Driver does not modify static wcd939x_sdw_ch_info array, so it can be
> made const for code safety.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>   sound/soc/codecs/wcd939x-sdw.c | 4 ++--
>   sound/soc/codecs/wcd939x.c     | 2 +-
>   sound/soc/codecs/wcd939x.h     | 2 +-
>   3 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/soc/codecs/wcd939x-sdw.c b/sound/soc/codecs/wcd939x-sdw.c
> index 8acb5651c5bc..94b1e99a3ca0 100644
> --- a/sound/soc/codecs/wcd939x-sdw.c
> +++ b/sound/soc/codecs/wcd939x-sdw.c
> @@ -23,7 +23,7 @@
>   
>   #define SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(m) (0xE0 + 0x10 * (m))
>   
> -static struct wcd939x_sdw_ch_info wcd939x_sdw_rx_ch_info[] = {
> +static const struct wcd939x_sdw_ch_info wcd939x_sdw_rx_ch_info[] = {
>   	WCD_SDW_CH(WCD939X_HPH_L, WCD939X_HPH_PORT, BIT(0)),
>   	WCD_SDW_CH(WCD939X_HPH_R, WCD939X_HPH_PORT, BIT(1)),
>   	WCD_SDW_CH(WCD939X_CLSH, WCD939X_CLSH_PORT, BIT(0)),
> @@ -36,7 +36,7 @@ static struct wcd939x_sdw_ch_info wcd939x_sdw_rx_ch_info[] = {
>   	WCD_SDW_CH(WCD939X_HIFI_PCM_R, WCD939X_HIFI_PCM_PORT, BIT(1)),
>   };
>   
> -static struct wcd939x_sdw_ch_info wcd939x_sdw_tx_ch_info[] = {
> +static const struct wcd939x_sdw_ch_info wcd939x_sdw_tx_ch_info[] = {
>   	WCD_SDW_CH(WCD939X_ADC1, WCD939X_ADC_1_4_PORT, BIT(0)),
>   	WCD_SDW_CH(WCD939X_ADC2, WCD939X_ADC_1_4_PORT, BIT(1)),
>   	WCD_SDW_CH(WCD939X_ADC3, WCD939X_ADC_1_4_PORT, BIT(2)),
> diff --git a/sound/soc/codecs/wcd939x.c b/sound/soc/codecs/wcd939x.c
> index 1f94f49f9829..66af035bd0e5 100644
> --- a/sound/soc/codecs/wcd939x.c
> +++ b/sound/soc/codecs/wcd939x.c
> @@ -414,7 +414,7 @@ static int wcd939x_io_init(struct snd_soc_component *component)
>   	return 0;
>   }
>   
> -static int wcd939x_sdw_connect_port(struct wcd939x_sdw_ch_info *ch_info,
> +static int wcd939x_sdw_connect_port(const struct wcd939x_sdw_ch_info *ch_info,
>   				    struct sdw_port_config *port_config,
>   				    u8 enable)
>   {
> diff --git a/sound/soc/codecs/wcd939x.h b/sound/soc/codecs/wcd939x.h
> index 756f497a337c..a6c9c6cee056 100644
> --- a/sound/soc/codecs/wcd939x.h
> +++ b/sound/soc/codecs/wcd939x.h
> @@ -914,7 +914,7 @@ struct wcd939x_sdw_priv {
>   	struct sdw_stream_config sconfig;
>   	struct sdw_stream_runtime *sruntime;
>   	struct sdw_port_config port_config[WCD939X_MAX_SWR_PORTS];
> -	struct wcd939x_sdw_ch_info *ch_info;
> +	const struct wcd939x_sdw_ch_info *ch_info;
>   	bool port_enable[WCD939X_MAX_SWR_CH_IDS];
>   	int active_ports;
>   	int num_ports;
> 

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>