On 3/28/2024 2:07 PM, Kuogee Hsieh wrote:
Currently qmp_combo_dp_power_on() always return 0 in regardless of
return value of cfg->configure_dp_phy(). This patch propagate
return value of cfg->configure_dp_phy() all the way back to caller.
This is good. But I am also thinking if we should add some prints in
this driver like it doesnt even tell where it failed like here
ret = qmp_v456_configure_dp_phy(qmp);
if (ret < 0)
return ret;
Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
---
drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Also, I think we should have
Fixes: 94a407cc17a4 ("phy: qcom-qmp: create copies of QMP PHY driver")
If there is a better fixes tag for this, please let me know.
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index 36632fa..884973a 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -2754,6 +2754,7 @@ static int qmp_combo_dp_power_on(struct phy *phy)
const struct qmp_phy_cfg *cfg = qmp->cfg;
void __iomem *tx = qmp->dp_tx;
void __iomem *tx2 = qmp->dp_tx2;
+ int ret = 0;
mutex_lock(&qmp->phy_mutex);
@@ -2766,11 +2767,11 @@ static int qmp_combo_dp_power_on(struct phy *phy)
cfg->configure_dp_tx(qmp);
/* Configure link rate, swing, etc. */
- cfg->configure_dp_phy(qmp);
+ ret = cfg->configure_dp_phy(qmp);
mutex_unlock(&qmp->phy_mutex);
- return 0;
+ return ret;
}
static int qmp_combo_dp_power_off(struct phy *phy)
