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Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/intel.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 9794bc222fb5..808dda1380c2 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -538,12 +538,14 @@ static int intel_link_power_down(struct sdw_intel *sdw)
mutex_lock(sdw->link_res->shim_lock);
- intel_shim_master_ip_to_glue(sdw);
-
if (!(*shim_mask & BIT(link_id)))
dev_err(sdw->cdns.dev,
"%s: Unbalanced power-up/down calls\n", __func__);
+ sdw->cdns.link_up = false;
+
+ intel_shim_master_ip_to_glue(sdw);
+
*shim_mask &= ~BIT(link_id);
if (!*shim_mask) {
@@ -560,18 +562,19 @@ static int intel_link_power_down(struct sdw_intel *sdw)
link_control &= spa_mask;
ret = intel_clear_bit(shim, SDW_SHIM_LCTL, link_control, cpa_mask);
+ if (ret < 0) {
+ dev_err(sdw->cdns.dev, "%s: could not power down link\n", __func__);
+
+ /*
+ * we leave the sdw->cdns.link_up flag as false since we've disabled
+ * the link at this point and cannot handle interrupts any longer.
+ */
+ }
}
mutex_unlock(sdw->link_res->shim_lock);
- if (ret < 0) {
- dev_err(sdw->cdns.dev, "%s: could not power down link\n", __func__);
-
- return ret;
- }
-
- sdw->cdns.link_up = false;
- return 0;
+ return ret;
}
static void intel_shim_sync_arm(struct sdw_intel *sdw)