diff options
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/cadence_master.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index a0ec21b64d42..847b8f5f0a32 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -856,6 +856,16 @@ int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns, bool state) mask = interrupt_mask; update_masks: + /* clear slave interrupt status before enabling interrupt */ + if (state) { + u32 slave_state; + + slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT0); + cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT0, slave_state); + slave_state = cdns_readl(cdns, CDNS_MCP_SLAVE_INTSTAT1); + cdns_writel(cdns, CDNS_MCP_SLAVE_INTSTAT1, slave_state); + } + cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK0, slave_intmask0); cdns_writel(cdns, CDNS_MCP_SLAVE_INTMASK1, slave_intmask1); cdns_writel(cdns, CDNS_MCP_INTMASK, mask); |