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.boss...@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);
-- 
2.20.1

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