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-rw-r--r--drivers/phy/qualcomm/phy-qcom-qusb2.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 7a8e4333babe..032d02bf50c5 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -561,7 +561,7 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy)
{
struct device *dev = &qphy->phy->dev;
const struct qusb2_phy_cfg *cfg = qphy->cfg;
- u8 *val;
+ u8 *val, hstx_trim;
/* efuse register is optional */
if (!qphy->cell)
@@ -575,7 +575,13 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy)
* set while configuring the phy.
*/
val = nvmem_cell_read(qphy->cell, NULL);
- if (IS_ERR(val) || !val[0]) {
+ if (IS_ERR(val)) {
+ dev_dbg(dev, "failed to read a valid hs-tx trim value\n");
+ return;
+ }
+ hstx_trim = val[0];
+ kfree(val);
+ if (!hstx_trim) {
dev_dbg(dev, "failed to read a valid hs-tx trim value\n");
return;
}
@@ -583,12 +589,10 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy)
/* Fused TUNE1/2 value is the higher nibble only */
if (cfg->update_tune1_with_efuse)
qusb2_write_mask(qphy->base, cfg->regs[QUSB2PHY_PORT_TUNE1],
- val[0] << HSTX_TRIM_SHIFT,
- HSTX_TRIM_MASK);
+ hstx_trim << HSTX_TRIM_SHIFT, HSTX_TRIM_MASK);
else
qusb2_write_mask(qphy->base, cfg->regs[QUSB2PHY_PORT_TUNE2],
- val[0] << HSTX_TRIM_SHIFT,
- HSTX_TRIM_MASK);
+ hstx_trim << HSTX_TRIM_SHIFT, HSTX_TRIM_MASK);
}
static int qusb2_phy_set_mode(struct phy *phy,