Re: [PATCH v2 1/4] soundwire: bus: export sdw_nwrite_no_pm and sdw_nread_no_pm functions

From: Pierre-Louis Bossart
Date: Thu Nov 17 2022 - 10:00:28 EST




On 11/17/22 08:17, Charles Keepax wrote:
> From: Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>
>
> The commit 167790abb90f ("soundwire: export sdw_write/read_no_pm
> functions") exposed the single byte no_pm versions of the IO functions
> that can be used without touching PM, export the multi byte no_pm
> versions for the same reason.
>
> Signed-off-by: Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

> ---
>
> No change since v1.
>
> drivers/soundwire/bus.c | 8 ++++----
> include/linux/soundwire/sdw.h | 2 ++
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
> index 76515c33e639e..ef4878258afad 100644
> --- a/drivers/soundwire/bus.c
> +++ b/drivers/soundwire/bus.c
> @@ -414,8 +414,7 @@ int sdw_fill_msg(struct sdw_msg *msg, struct sdw_slave *slave,
> * all clients need to use the pm versions
> */
>
> -static int
> -sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
> +int sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
> {
> struct sdw_msg msg;
> int ret;
> @@ -430,9 +429,9 @@ sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
> ret = 0;
> return ret;
> }
> +EXPORT_SYMBOL(sdw_nread_no_pm);
>
> -static int
> -sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val)
> +int sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val)
> {
> struct sdw_msg msg;
> int ret;
> @@ -447,6 +446,7 @@ sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val)
> ret = 0;
> return ret;
> }
> +EXPORT_SYMBOL(sdw_nwrite_no_pm);
>
> int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value)
> {
> diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
> index 9e4537f409c29..902ed46f76c80 100644
> --- a/include/linux/soundwire/sdw.h
> +++ b/include/linux/soundwire/sdw.h
> @@ -1047,7 +1047,9 @@ int sdw_write(struct sdw_slave *slave, u32 addr, u8 value);
> int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value);
> int sdw_read_no_pm(struct sdw_slave *slave, u32 addr);
> int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
> +int sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
> int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val);
> +int sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val);
> int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val);
> int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val);
>