From 133547a1ef16cbdadb5c0023e5917924ae326dcc Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Thu, 14 Jul 2022 09:10:41 +0800 Subject: soundwire: intel/cadence: expose PING status in manager ops Simple indirection to existing register. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Signed-off-by: Bard Liao Acked-By: Vinod Koul Link: https://lore.kernel.org/r/20220714011043.46059-3-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown --- drivers/soundwire/cadence_master.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/soundwire/cadence_master.c') 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 */ -- cgit v1.2.3