diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.c')
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 3aedf73f1131..3c4f602eecd2 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -1094,10 +1094,12 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba) * ufs_qcom_setup_clocks - enables/disable clocks * @hba: host controller instance * @on: If true, enable clocks else disable them. + * @status: PRE_CHANGE or POST_CHANGE notify * * Returns 0 on success, non-zero on failure. */ -static int ufs_qcom_setup_clocks(struct ufs_hba *hba, bool on) +static int ufs_qcom_setup_clocks(struct ufs_hba *hba, bool on, + enum ufs_notify_change_status status) { struct ufs_qcom_host *host = ufshcd_get_variant(hba); int err; @@ -1111,7 +1113,7 @@ static int ufs_qcom_setup_clocks(struct ufs_hba *hba, bool on) if (!host) return 0; - if (on) { + if (on && (status == POST_CHANGE)) { err = ufs_qcom_phy_enable_iface_clk(host->generic_phy); if (err) goto out; @@ -1130,7 +1132,7 @@ static int ufs_qcom_setup_clocks(struct ufs_hba *hba, bool on) if (vote == host->bus_vote.min_bw_vote) ufs_qcom_update_bus_bw_vote(host); - } else { + } else if (!on && (status == PRE_CHANGE)) { /* M-PHY RMMI interface clocks can be turned off */ ufs_qcom_phy_disable_iface_clk(host->generic_phy); @@ -1254,7 +1256,7 @@ static int ufs_qcom_init(struct ufs_hba *hba) ufs_qcom_set_caps(hba); ufs_qcom_advertise_quirks(hba); - ufs_qcom_setup_clocks(hba, true); + ufs_qcom_setup_clocks(hba, true, POST_CHANGE); if (hba->dev->id < MAX_UFS_QCOM_HOSTS) ufs_qcom_hosts[hba->dev->id] = host; |