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soundwire: export sdw_write/read_no_pm functions

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sdw_write_no_pm and sdw_read_no_pm are useful when we want to do IO
without touching PM.

Fixes: 0231453bc0 ('soundwire: bus: add clock stop helpers')
Fixes: 60ee9be255 ('soundwire: bus: add PM/no-PM versions of read/write functions')
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20210122070634.12825-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Bard Liao 2021-01-22 15:06:29 +08:00 committed by Vinod Koul
parent c30b63ef0d
commit 167790abb9
2 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/soundwire/bus.c
View File

@ -407,10 +407,11 @@ sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
return sdw_transfer(slave->bus, &msg); return sdw_transfer(slave->bus, &msg);
} }
static int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value) int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value)
{ {
return sdw_nwrite_no_pm(slave, addr, 1, &value); return sdw_nwrite_no_pm(slave, addr, 1, &value);
} }
EXPORT_SYMBOL(sdw_write_no_pm);
static int static int
sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr) sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr)
@ -478,8 +479,7 @@ int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 val
} }
EXPORT_SYMBOL(sdw_bwrite_no_pm_unlocked); EXPORT_SYMBOL(sdw_bwrite_no_pm_unlocked);
static int int sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
{ {
u8 buf; u8 buf;
int ret; int ret;
@ -490,6 +490,7 @@ sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
else else
return buf; return buf;
} }
EXPORT_SYMBOL(sdw_read_no_pm);
static int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val) static int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val)
{ {

2
include/linux/soundwire/sdw.h
View File

@ -1005,6 +1005,8 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus);
int sdw_read(struct sdw_slave *slave, u32 addr); int sdw_read(struct sdw_slave *slave, u32 addr);
int sdw_write(struct sdw_slave *slave, u32 addr, u8 value); 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(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);