From: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
[ Upstream commit 167790abb90fa073d8341ee0e408ccad3d2109cd ]
sdw_write_no_pm and sdw_read_no_pm are useful when we want to do IO
without touching PM.
Fixes: 0231453bc08f ('soundwire: bus: add clock stop helpers')
Fixes: 60ee9be25571 ('soundwire: bus: add PM/no-PM versions of read/write functions')
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210122070634.12825-5-yung-chuan.liao@xxxxxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/soundwire/bus.c | 7 ++++---
include/linux/soundwire/sdw.h | 2 ++
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 944a4222b2f9d..3c05ef105c073 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -405,10 +405,11 @@ sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
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);
}
+EXPORT_SYMBOL(sdw_write_no_pm);
static int
sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr)
@@ -476,8 +477,7 @@ int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 val
}
EXPORT_SYMBOL(sdw_bwrite_no_pm_unlocked);
-static int
-sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
+int sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
{
u8 buf;
int ret;
@@ -488,6 +488,7 @@ sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
else
return buf;
}
+EXPORT_SYMBOL(sdw_read_no_pm);
static int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val)
{
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 41cc1192f9aab..57cda3a3a9d95 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -1001,6 +1001,8 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus);
int sdw_read(struct sdw_slave *slave, u32 addr);
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_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
--
2.27.0
