@@ -2258,6 +2258,16 @@ static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
struct uic_command uic_cmd = {0};
int ret;
+ if (hba->quirks & UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP) {
+ ret = ufshcd_dme_set(hba,
+ UIC_ARG_MIB_SEL(PA_RXHSUNTERMCAP, 0), 1);
+ if (ret) {
+ dev_err(hba->dev, "%s: failed to enable PA_RXHSUNTERMCAP ret %d\n",
+ __func__, ret);
+ goto out;
+ }
+ }
+
uic_cmd.command = UIC_CMD_DME_SET;
uic_cmd.argument1 = UIC_ARG_MIB(PA_PWRMODE);
uic_cmd.argument3 = mode;
@@ -2265,6 +2275,7 @@ static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
ret = ufshcd_uic_pwr_ctrl(hba, &uic_cmd);
ufshcd_release(hba);
+out:
return ret;
}
@@ -435,6 +435,13 @@ struct ufs_hba {
*/
#define UFSHCD_QUIRK_BROKEN_LCC UFS_BIT(2)
+ /*
+ * The attribute PA_RXHSUNTERMCAP specifies whether or not the
+ * inbound Link supports unterminated line in HS mode. Setting this
+ * attribute to 1 fixes moving to HS gear.
+ */
+ #define UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP UFS_BIT(3)
+
unsigned int quirks; /* Deviations from standard UFSHCI spec. */
wait_queue_head_t tm_wq;
The attribute PA_RXHSUNTERMCAP specifies whether or not the inbound Link supports unterminated line in HS mode. enabling this attribute to 1 fixes moving to HS gear. Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> --- drivers/scsi/ufs/ufshcd.c | 11 +++++++++++ drivers/scsi/ufs/ufshcd.h | 7 +++++++ 2 files changed, 18 insertions(+)