Replace the generic error message issued by the driver core when the remove
callback returns non-zero ("remove callback returned a non-zero value. This
will be ignored.") by a message that tells the actual problem.
Also simplify a bit by checking the return value of wait_event_timeout a
bit later.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
.../drm/bridge/cadence/cdns-mhdp8546-core.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
index 6af565ac307a..66c87d36ce51 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
@@ -2600,7 +2600,6 @@ static int cdns_mhdp_remove(struct platform_device *pdev)
{
struct cdns_mhdp_device *mhdp = platform_get_drvdata(pdev);
unsigned long timeout = msecs_to_jiffies(100);
- bool stop_fw = false;
int ret;
drm_bridge_remove(&mhdp->bridge);
@@ -2608,18 +2607,19 @@ static int cdns_mhdp_remove(struct platform_device *pdev)
ret = wait_event_timeout(mhdp->fw_load_wq,
mhdp->hw_state == MHDP_HW_READY,
timeout);
- if (ret == 0)
- dev_err(mhdp->dev, "%s: Timeout waiting for fw loading\n",
- __func__);
- else
- stop_fw = true;
-
spin_lock(&mhdp->start_lock);
mhdp->hw_state = MHDP_HW_STOPPED;
spin_unlock(&mhdp->start_lock);
- if (stop_fw)
+ if (ret == 0) {
+ dev_err(mhdp->dev, "%s: Timeout waiting for fw loading\n",
+ __func__);
+ } else {
ret = cdns_mhdp_set_firmware_active(mhdp, false);
+ if (ret)
+ dev_err(mhdp->dev, "Failed to stop firmware (%pe)\n",
+ ERR_PTR(ret));
+ }
phy_exit(mhdp->phy);
@@ -2635,7 +2635,7 @@ static int cdns_mhdp_remove(struct platform_device *pdev)
clk_disable_unprepare(mhdp->clk);
- return ret;
+ return 0;
}
static const struct of_device_id mhdp_ids[] = {
--
2.42.0
