Commit 9bc87cce authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Vinod Koul
Browse files

soundwire: cadence: handle error cases with CONFIG_UPDATE 



config_update() may time out or cannot be use in ClockStopMode

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200317163329.25501-5-pierre-louis.bossart@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 5a885c52

drivers/soundwire/cadence_master.c

+5 −0
Original line number Diff line number Diff line
@@ -239,6 +239,11 @@ static int cdns_config_update(struct sdw_cdns *cdns) 
{

	int ret;



	if (sdw_cdns_is_clock_stop(cdns)) {

		dev_err(cdns->dev, "Cannot program MCP_CONFIG_UPDATE in ClockStopMode\n");

		return -EINVAL;

	}



	ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE,

			     CDNS_MCP_CONFIG_UPDATE_BIT);

	if (ret < 0)

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