The code has a set of defaults which may not be relevant in all cases, add kernel parameter as a helper - mostly for early board bring-up.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- drivers/soundwire/cadence_master.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 18c6ac026e85..dede55072191 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -20,6 +20,10 @@ #include "bus.h" #include "cadence_master.h"
+static int interrupt_mask; +module_param_named(cnds_mcp_int_mask, interrupt_mask, int, 0444); +MODULE_PARM_DESC(cdns_mcp_int_mask, "Cadence MCP IntMask"); + #define CDNS_MCP_CONFIG 0x0
#define CDNS_MCP_CONFIG_MCMD_RETRY GENMASK(27, 24) @@ -830,6 +834,9 @@ int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns) /* now enable all of the above */ mask |= CDNS_MCP_INT_IRQ;
+ if (interrupt_mask) /* parameter override */ + mask = interrupt_mask; + cdns_writel(cdns, CDNS_MCP_INTMASK, mask);
return do_reset(cdns);