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path: root/drivers/scsi/ufs/ufs-qcom.c
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Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.c')
-rw-r--r--drivers/scsi/ufs/ufs-qcom.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index f9d6ef356540..2206b1e4b774 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -691,19 +691,8 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
switch (status) {
case PRE_CHANGE:
- ufs_qcom_cap.tx_lanes = UFS_QCOM_LIMIT_NUM_LANES_TX;
- ufs_qcom_cap.rx_lanes = UFS_QCOM_LIMIT_NUM_LANES_RX;
- ufs_qcom_cap.hs_rx_gear = UFS_QCOM_LIMIT_HSGEAR_RX;
- ufs_qcom_cap.hs_tx_gear = UFS_QCOM_LIMIT_HSGEAR_TX;
- ufs_qcom_cap.pwm_rx_gear = UFS_QCOM_LIMIT_PWMGEAR_RX;
- ufs_qcom_cap.pwm_tx_gear = UFS_QCOM_LIMIT_PWMGEAR_TX;
- ufs_qcom_cap.rx_pwr_pwm = UFS_QCOM_LIMIT_RX_PWR_PWM;
- ufs_qcom_cap.tx_pwr_pwm = UFS_QCOM_LIMIT_TX_PWR_PWM;
- ufs_qcom_cap.rx_pwr_hs = UFS_QCOM_LIMIT_RX_PWR_HS;
- ufs_qcom_cap.tx_pwr_hs = UFS_QCOM_LIMIT_TX_PWR_HS;
+ ufshcd_init_pwr_dev_param(&ufs_qcom_cap);
ufs_qcom_cap.hs_rate = UFS_QCOM_LIMIT_HS_RATE;
- ufs_qcom_cap.desired_working_mode =
- UFS_QCOM_LIMIT_DESIRED_MODE;
if (host->hw_ver.major == 0x1) {
/*
@@ -734,17 +723,9 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
ufs_qcom_dev_ref_clk_ctrl(host, true);
if (host->hw_ver.major >= 0x4) {
- if (dev_req_params->gear_tx == UFS_HS_G4) {
- /* INITIAL ADAPT */
- ufshcd_dme_set(hba,
- UIC_ARG_MIB(PA_TXHSADAPTTYPE),
- PA_INITIAL_ADAPT);
- } else {
- /* NO ADAPT */
- ufshcd_dme_set(hba,
- UIC_ARG_MIB(PA_TXHSADAPTTYPE),
- PA_NO_ADAPT);
- }
+ ufshcd_dme_configure_adapt(hba,
+ dev_req_params->gear_tx,
+ PA_INITIAL_ADAPT);
}
break;
case POST_CHANGE:
@@ -863,6 +844,7 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba)
hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
hba->caps |= UFSHCD_CAP_WB_EN;
hba->caps |= UFSHCD_CAP_CRYPTO;
+ hba->caps |= UFSHCD_CAP_AGGR_POWER_COLLAPSE;
if (host->hw_ver.major >= 0x2) {
host->caps = UFS_QCOM_CAP_QUNIPRO |
@@ -977,6 +959,7 @@ static int ufs_qcom_init(struct ufs_hba *hba)
struct platform_device *pdev = to_platform_device(dev);
struct ufs_qcom_host *host;
struct resource *res;
+ struct ufs_clk_info *clki;
if (strlen(android_boot_dev) && strcmp(android_boot_dev, dev_name(dev)))
return -ENODEV;
@@ -1075,6 +1058,11 @@ static int ufs_qcom_init(struct ufs_hba *hba)
}
}
+ list_for_each_entry(clki, &hba->clk_list_head, list) {
+ if (!strcmp(clki->name, "core_clk_unipro"))
+ clki->keep_link_active = true;
+ }
+
err = ufs_qcom_init_lane_clks(host);
if (err)
goto out_variant_clear;
@@ -1421,13 +1409,13 @@ static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba)
*
* Toggles the (optional) reset line to reset the attached device.
*/
-static void ufs_qcom_device_reset(struct ufs_hba *hba)
+static int ufs_qcom_device_reset(struct ufs_hba *hba)
{
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
/* reset gpio is optional */
if (!host->device_reset)
- return;
+ return -EOPNOTSUPP;
/*
* The UFS device shall detect reset pulses of 1us, sleep for 10us to
@@ -1438,6 +1426,8 @@ static void ufs_qcom_device_reset(struct ufs_hba *hba)
gpiod_set_value_cansleep(host->device_reset, 0);
usleep_range(10, 15);
+
+ return 0;
}
#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND)