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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-07-14 03:10:41 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-08-17 14:00:53 +0200 |
| commit | 133547a1ef16cbdadb5c0023e5917924ae326dcc (patch) | |
| tree | 47f001e551c2b9695abc1d9732f26c368b1ce196 /drivers/soundwire/cadence_master.c | |
| parent | soundwire: add read_ping_status helper definition in manager ops (diff) | |
| download | linux-133547a1ef16cbdadb5c0023e5917924ae326dcc.tar.xz linux-133547a1ef16cbdadb5c0023e5917924ae326dcc.zip | |
soundwire: intel/cadence: expose PING status in manager ops
Simple indirection to existing register.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220714011043.46059-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/soundwire/cadence_master.c')
| -rw-r--r-- | drivers/soundwire/cadence_master.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 4fbb19557f5e..615b0b63a3e1 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -756,6 +756,14 @@ cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num) } EXPORT_SYMBOL(cdns_reset_page_addr); +u32 cdns_read_ping_status(struct sdw_bus *bus) +{ + struct sdw_cdns *cdns = bus_to_cdns(bus); + + return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); +} +EXPORT_SYMBOL(cdns_read_ping_status); + /* * IRQ handling */ |