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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2020-03-12 13:01:05 +0300
committerVinod Koul <vkoul@kernel.org>2020-03-13 15:36:05 +0300
commit0b43fef979b4664d51a09dc7e0c430ebb2d18267 (patch)
treed2c91ea156b6b5385ca380f6c044b828d1417ec8 /drivers/soundwire
parent5de79ba865d7770c3bdde7c266ed425832764aac (diff)
downloadlinux-0b43fef979b4664d51a09dc7e0c430ebb2d18267.tar.xz
soundwire: stream: use sdw_write instead of update
There is no point in using update for registers with write mask as 0xFF, this adds unnecessary traffic on the bus. Just use sdw_write directly. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20200312100105.5293-1-srinivas.kandagatla@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/stream.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index 00348d1fc606..1b43d03c79ea 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -313,9 +313,9 @@ static int sdw_enable_disable_slave_ports(struct sdw_bus *bus,
* it is safe to reset this register
*/
if (en)
- ret = sdw_update(s_rt->slave, addr, 0xFF, p_rt->ch_mask);
+ ret = sdw_write(s_rt->slave, addr, p_rt->ch_mask);
else
- ret = sdw_update(s_rt->slave, addr, 0xFF, 0x0);
+ ret = sdw_write(s_rt->slave, addr, 0x0);
if (ret < 0)
dev_err(&s_rt->slave->dev,
@@ -464,10 +464,9 @@ static int sdw_prep_deprep_slave_ports(struct sdw_bus *bus,
addr = SDW_DPN_PREPARECTRL(p_rt->num);
if (prep)
- ret = sdw_update(s_rt->slave, addr,
- 0xFF, p_rt->ch_mask);
+ ret = sdw_write(s_rt->slave, addr, p_rt->ch_mask);
else
- ret = sdw_update(s_rt->slave, addr, 0xFF, 0x0);
+ ret = sdw_write(s_rt->slave, addr, 0x0);
if (ret < 0) {
dev_err(&s_rt->slave->dev,