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-rw-r--r--drivers/scsi/ufs/Kconfig1
-rw-r--r--drivers/scsi/ufs/ufs-mediatek-trace.h2
-rw-r--r--drivers/scsi/ufs/ufs-mediatek.c21
-rw-r--r--drivers/scsi/ufs/ufs-mediatek.h1
-rw-r--r--drivers/scsi/ufs/ufs.h2
-rw-r--r--drivers/scsi/ufs/ufshcd-pci.c73
-rw-r--r--drivers/scsi/ufs/ufshcd.c102
-rw-r--r--drivers/scsi/ufs/ufshcd.h14
8 files changed, 163 insertions, 53 deletions
diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig
index 3f6dfed4fe84..b915b38c2b27 100644
--- a/drivers/scsi/ufs/Kconfig
+++ b/drivers/scsi/ufs/Kconfig
@@ -72,6 +72,7 @@ config SCSI_UFS_DWC_TC_PCI
config SCSI_UFSHCD_PLATFORM
tristate "Platform bus based UFS Controller support"
depends on SCSI_UFSHCD
+ depends on HAS_IOMEM
help
This selects the UFS host controller support. Select this if
you have an UFS controller on Platform bus.
diff --git a/drivers/scsi/ufs/ufs-mediatek-trace.h b/drivers/scsi/ufs/ufs-mediatek-trace.h
index fd6f84c1b4e2..895e82ea6ece 100644
--- a/drivers/scsi/ufs/ufs-mediatek-trace.h
+++ b/drivers/scsi/ufs/ufs-mediatek-trace.h
@@ -31,6 +31,6 @@ TRACE_EVENT(ufs_mtk_event,
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
-#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_PATH ../../drivers/scsi/ufs/
#define TRACE_INCLUDE_FILE ufs-mediatek-trace
#include <trace/define_trace.h>
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 3522458db3bb..80618af7c872 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -70,6 +70,13 @@ static bool ufs_mtk_is_va09_supported(struct ufs_hba *hba)
return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
}
+static bool ufs_mtk_is_broken_vcc(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+ return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);
+}
+
static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable)
{
u32 tmp;
@@ -514,6 +521,9 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
if (of_property_read_bool(np, "mediatek,ufs-disable-ah8"))
host->caps |= UFS_MTK_CAP_DISABLE_AH8;
+ if (of_property_read_bool(np, "mediatek,ufs-broken-vcc"))
+ host->caps |= UFS_MTK_CAP_BROKEN_VCC;
+
dev_info(hba->dev, "caps: 0x%x", host->caps);
}
@@ -1003,6 +1013,17 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba)
static void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba)
{
ufshcd_fixup_dev_quirks(hba, ufs_mtk_dev_fixups);
+
+ if (ufs_mtk_is_broken_vcc(hba) && hba->vreg_info.vcc &&
+ (hba->dev_quirks & UFS_DEVICE_QUIRK_DELAY_AFTER_LPM)) {
+ hba->vreg_info.vcc->always_on = true;
+ /*
+ * VCC will be kept always-on thus we don't
+ * need any delay during regulator operations
+ */
+ hba->dev_quirks &= ~(UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
+ UFS_DEVICE_QUIRK_DELAY_AFTER_LPM);
+ }
}
static void ufs_mtk_event_notify(struct ufs_hba *hba,
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h
index 93d35097dfb0..3f0d3bb769e8 100644
--- a/drivers/scsi/ufs/ufs-mediatek.h
+++ b/drivers/scsi/ufs/ufs-mediatek.h
@@ -81,6 +81,7 @@ enum ufs_mtk_host_caps {
UFS_MTK_CAP_BOOST_CRYPT_ENGINE = 1 << 0,
UFS_MTK_CAP_VA09_PWR_CTRL = 1 << 1,
UFS_MTK_CAP_DISABLE_AH8 = 1 << 2,
+ UFS_MTK_CAP_BROKEN_VCC = 1 << 3,
};
struct ufs_mtk_crypt_cfg {
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index d593edb48767..14dfda735adf 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -330,7 +330,6 @@ enum {
UFS_DEV_WRITE_BOOSTER_SUP = BIT(8),
};
-#define POWER_DESC_MAX_SIZE 0x62
#define POWER_DESC_MAX_ACTV_ICC_LVLS 16
/* Attribute bActiveICCLevel parameter bit masks definitions */
@@ -513,6 +512,7 @@ struct ufs_query_res {
struct ufs_vreg {
struct regulator *reg;
const char *name;
+ bool always_on;
bool enabled;
int min_uV;
int max_uV;
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index df3a564c3e33..fadd566025b8 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -148,6 +148,8 @@ static int ufs_intel_common_init(struct ufs_hba *hba)
{
struct intel_host *host;
+ hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND;
+
host = devm_kzalloc(hba->dev, sizeof(*host), GFP_KERNEL);
if (!host)
return -ENOMEM;
@@ -163,6 +165,41 @@ static void ufs_intel_common_exit(struct ufs_hba *hba)
intel_ltr_hide(hba->dev);
}
+static int ufs_intel_resume(struct ufs_hba *hba, enum ufs_pm_op op)
+{
+ /*
+ * To support S4 (suspend-to-disk) with spm_lvl other than 5, the base
+ * address registers must be restored because the restore kernel can
+ * have used different addresses.
+ */
+ ufshcd_writel(hba, lower_32_bits(hba->utrdl_dma_addr),
+ REG_UTP_TRANSFER_REQ_LIST_BASE_L);
+ ufshcd_writel(hba, upper_32_bits(hba->utrdl_dma_addr),
+ REG_UTP_TRANSFER_REQ_LIST_BASE_H);
+ ufshcd_writel(hba, lower_32_bits(hba->utmrdl_dma_addr),
+ REG_UTP_TASK_REQ_LIST_BASE_L);
+ ufshcd_writel(hba, upper_32_bits(hba->utmrdl_dma_addr),
+ REG_UTP_TASK_REQ_LIST_BASE_H);
+
+ if (ufshcd_is_link_hibern8(hba)) {
+ int ret = ufshcd_uic_hibern8_exit(hba);
+
+ if (!ret) {
+ ufshcd_set_link_active(hba);
+ } else {
+ dev_err(hba->dev, "%s: hibern8 exit failed %d\n",
+ __func__, ret);
+ /*
+ * Force reset and restore. Any other actions can lead
+ * to an unrecoverable state.
+ */
+ ufshcd_set_link_off(hba);
+ }
+ }
+
+ return 0;
+}
+
static int ufs_intel_ehl_init(struct ufs_hba *hba)
{
hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
@@ -174,6 +211,7 @@ static struct ufs_hba_variant_ops ufs_intel_cnl_hba_vops = {
.init = ufs_intel_common_init,
.exit = ufs_intel_common_exit,
.link_startup_notify = ufs_intel_link_startup_notify,
+ .resume = ufs_intel_resume,
};
static struct ufs_hba_variant_ops ufs_intel_ehl_hba_vops = {
@@ -181,6 +219,7 @@ static struct ufs_hba_variant_ops ufs_intel_ehl_hba_vops = {
.init = ufs_intel_ehl_init,
.exit = ufs_intel_common_exit,
.link_startup_notify = ufs_intel_link_startup_notify,
+ .resume = ufs_intel_resume,
};
#ifdef CONFIG_PM_SLEEP
@@ -207,6 +246,30 @@ static int ufshcd_pci_resume(struct device *dev)
{
return ufshcd_system_resume(dev_get_drvdata(dev));
}
+
+/**
+ * ufshcd_pci_poweroff - suspend-to-disk poweroff function
+ * @dev: pointer to PCI device handle
+ *
+ * Returns 0 if successful
+ * Returns non-zero otherwise
+ */
+static int ufshcd_pci_poweroff(struct device *dev)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ int spm_lvl = hba->spm_lvl;
+ int ret;
+
+ /*
+ * For poweroff we need to set the UFS device to PowerDown mode.
+ * Force spm_lvl to ensure that.
+ */
+ hba->spm_lvl = 5;
+ ret = ufshcd_system_suspend(hba);
+ hba->spm_lvl = spm_lvl;
+ return ret;
+}
+
#endif /* !CONFIG_PM_SLEEP */
#ifdef CONFIG_PM
@@ -302,8 +365,14 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
static const struct dev_pm_ops ufshcd_pci_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(ufshcd_pci_suspend,
- ufshcd_pci_resume)
+#ifdef CONFIG_PM_SLEEP
+ .suspend = ufshcd_pci_suspend,
+ .resume = ufshcd_pci_resume,
+ .freeze = ufshcd_pci_suspend,
+ .thaw = ufshcd_pci_resume,
+ .poweroff = ufshcd_pci_poweroff,
+ .restore = ufshcd_pci_resume,
+#endif
SET_RUNTIME_PM_OPS(ufshcd_pci_runtime_suspend,
ufshcd_pci_runtime_resume,
ufshcd_pci_runtime_idle)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 9902b7e3aa4a..fb32d122f2e3 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -225,6 +225,7 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba);
static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd);
static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
static void ufshcd_hba_exit(struct ufs_hba *hba);
+static int ufshcd_clear_ua_wluns(struct ufs_hba *hba);
static int ufshcd_probe_hba(struct ufs_hba *hba, bool async);
static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);
static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
@@ -288,7 +289,8 @@ static inline void ufshcd_wb_config(struct ufs_hba *hba)
if (ret)
dev_err(hba->dev, "%s: En WB flush during H8: failed: %d\n",
__func__, ret);
- ufshcd_wb_toggle_flush(hba, true);
+ if (!(hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL))
+ ufshcd_wb_toggle_flush(hba, true);
}
static void ufshcd_scsi_unblock_requests(struct ufs_hba *hba)
@@ -580,6 +582,23 @@ static void ufshcd_print_pwr_info(struct ufs_hba *hba)
hba->pwr_info.hs_rate);
}
+static void ufshcd_device_reset(struct ufs_hba *hba)
+{
+ int err;
+
+ err = ufshcd_vops_device_reset(hba);
+
+ if (!err) {
+ ufshcd_set_ufs_dev_active(hba);
+ if (ufshcd_is_wb_allowed(hba)) {
+ hba->wb_enabled = false;
+ hba->wb_buf_flush_enabled = false;
+ }
+ }
+ if (err != -EOPNOTSUPP)
+ ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err);
+}
+
void ufshcd_delay_us(unsigned long us, unsigned long tolerance)
{
if (!us)
@@ -3665,7 +3684,7 @@ static int ufshcd_dme_enable(struct ufs_hba *hba)
ret = ufshcd_send_uic_cmd(hba, &uic_cmd);
if (ret)
dev_err(hba->dev,
- "dme-reset: error code %d\n", ret);
+ "dme-enable: error code %d\n", ret);
return ret;
}
@@ -3964,7 +3983,7 @@ int ufshcd_link_recovery(struct ufs_hba *hba)
spin_unlock_irqrestore(hba->host->host_lock, flags);
/* Reset the attached device */
- ufshcd_vops_device_reset(hba);
+ ufshcd_device_reset(hba);
ret = ufshcd_host_reset_and_restore(hba);
@@ -3977,6 +3996,8 @@ int ufshcd_link_recovery(struct ufs_hba *hba)
if (ret)
dev_err(hba->dev, "%s: link recovery failed, err %d",
__func__, ret);
+ else
+ ufshcd_clear_ua_wluns(hba);
return ret;
}
@@ -4973,7 +4994,8 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
break;
} /* end of switch */
- if ((host_byte(result) != DID_OK) && !hba->silence_err_logs)
+ if ((host_byte(result) != DID_OK) &&
+ (host_byte(result) != DID_REQUEUE) && !hba->silence_err_logs)
ufshcd_print_trs(hba, 1 << lrbp->task_tag, true);
return result;
}
@@ -5418,9 +5440,6 @@ static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set)
static inline void ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable)
{
- if (hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL)
- return;
-
if (enable)
ufshcd_wb_buf_flush_enable(hba);
else
@@ -5985,6 +6004,9 @@ skip_err_handling:
ufshcd_scsi_unblock_requests(hba);
ufshcd_err_handling_unprepare(hba);
up(&hba->eh_sem);
+
+ if (!err && needs_reset)
+ ufshcd_clear_ua_wluns(hba);
}
/**
@@ -6279,9 +6301,13 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
}
- if (enabled_intr_status && retval == IRQ_NONE) {
- dev_err(hba->dev, "%s: Unhandled interrupt 0x%08x\n",
- __func__, intr_status);
+ if (enabled_intr_status && retval == IRQ_NONE &&
+ !ufshcd_eh_in_progress(hba)) {
+ dev_err(hba->dev, "%s: Unhandled interrupt 0x%08x (0x%08x, 0x%08x)\n",
+ __func__,
+ intr_status,
+ hba->ufs_stats.last_intr_status,
+ enabled_intr_status);
ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");
}
@@ -6325,7 +6351,10 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
* Even though we use wait_event() which sleeps indefinitely,
* the maximum wait time is bounded by %TM_CMD_TIMEOUT.
*/
- req = blk_get_request(q, REQ_OP_DRV_OUT, BLK_MQ_REQ_RESERVED);
+ req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
+ if (IS_ERR(req))
+ return PTR_ERR(req);
+
req->end_io_data = &wait;
free_slot = req->tag;
WARN_ON_ONCE(free_slot < 0 || free_slot >= hba->nutmrs);
@@ -6643,19 +6672,16 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
{
struct Scsi_Host *host;
struct ufs_hba *hba;
- unsigned int tag;
u32 pos;
int err;
- u8 resp = 0xF;
- struct ufshcd_lrb *lrbp;
+ u8 resp = 0xF, lun;
unsigned long flags;
host = cmd->device->host;
hba = shost_priv(host);
- tag = cmd->request->tag;
- lrbp = &hba->lrb[tag];
- err = ufshcd_issue_tm_cmd(hba, lrbp->lun, 0, UFS_LOGICAL_RESET, &resp);
+ lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
+ err = ufshcd_issue_tm_cmd(hba, lun, 0, UFS_LOGICAL_RESET, &resp);
if (err || resp != UPIU_TASK_MANAGEMENT_FUNC_COMPL) {
if (!err)
err = resp;
@@ -6664,7 +6690,7 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
/* clear the commands that were pending for corresponding LUN */
for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) {
- if (hba->lrb[pos].lun == lrbp->lun) {
+ if (hba->lrb[pos].lun == lun) {
err = ufshcd_clear_cmd(hba, pos);
if (err)
break;
@@ -6925,13 +6951,11 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba)
ufshcd_set_clk_freq(hba, true);
err = ufshcd_hba_enable(hba);
- if (err)
- goto out;
/* Establish the link again and restore the device */
- err = ufshcd_probe_hba(hba, false);
+ if (!err)
+ err = ufshcd_probe_hba(hba, false);
-out:
if (err)
dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err);
ufshcd_update_evt_hist(hba, UFS_EVT_HOST_RESET, (u32)err);
@@ -6968,7 +6992,7 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba)
do {
/* Reset the attached device */
- ufshcd_vops_device_reset(hba);
+ ufshcd_device_reset(hba);
err = ufshcd_host_reset_and_restore(hba);
} while (err && --retries);
@@ -7702,6 +7726,8 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
if (ret)
goto out;
+ ufshcd_clear_ua_wluns(hba);
+
/* Initialize devfreq after UFS device is detected */
if (ufshcd_is_clkscaling_supported(hba)) {
memcpy(&hba->clk_scaling.saved_pwr_info.info,
@@ -7903,8 +7929,6 @@ out:
pm_runtime_put_sync(hba->dev);
ufshcd_exit_clk_scaling(hba);
ufshcd_hba_exit(hba);
- } else {
- ufshcd_clear_ua_wluns(hba);
}
}
@@ -8045,7 +8069,7 @@ static int ufshcd_disable_vreg(struct device *dev, struct ufs_vreg *vreg)
{
int ret = 0;
- if (!vreg || !vreg->enabled)
+ if (!vreg || !vreg->enabled || vreg->always_on)
goto out;
ret = regulator_disable(vreg->reg);
@@ -8414,13 +8438,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
* handling context.
*/
hba->host->eh_noresume = 1;
- if (hba->wlun_dev_clr_ua) {
- ret = ufshcd_send_request_sense(hba, sdp);
- if (ret)
- goto out;
- /* Unit attention condition is cleared now */
- hba->wlun_dev_clr_ua = false;
- }
+ ufshcd_clear_ua_wluns(hba);
cmd[4] = pwr_mode << 4;
@@ -8441,7 +8459,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
if (!ret)
hba->curr_dev_pwr_mode = pwr_mode;
-out:
+
scsi_device_put(sdp);
hba->host->eh_noresume = 0;
return ret;
@@ -8685,6 +8703,8 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
ufshcd_wb_need_flush(hba));
}
+ flush_work(&hba->eeh_work);
+
if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) {
if (!ufshcd_is_runtime_pm(pm_op))
/* ensure that bkops is disabled */
@@ -8697,8 +8717,6 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
}
}
- flush_work(&hba->eeh_work);
-
/*
* In the case of DeepSleep, the device is expected to remain powered
* with the link off, so do not check for bkops.
@@ -8747,7 +8765,7 @@ set_link_active:
* further below.
*/
if (ufshcd_is_ufs_dev_deepsleep(hba)) {
- ufshcd_vops_device_reset(hba);
+ ufshcd_device_reset(hba);
WARN_ON(!ufshcd_is_link_off(hba));
}
if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba))
@@ -8757,7 +8775,7 @@ set_link_active:
set_dev_active:
/* Can also get here needing to exit DeepSleep */
if (ufshcd_is_ufs_dev_deepsleep(hba)) {
- ufshcd_vops_device_reset(hba);
+ ufshcd_device_reset(hba);
ufshcd_host_reset_and_restore(hba);
}
if (!ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE))
@@ -8767,6 +8785,7 @@ enable_gating:
ufshcd_resume_clkscaling(hba);
hba->clk_gating.is_suspended = false;
hba->dev_info.b_rpm_dev_flush_capable = false;
+ ufshcd_clear_ua_wluns(hba);
ufshcd_release(hba);
out:
if (hba->dev_info.b_rpm_dev_flush_capable) {
@@ -8877,6 +8896,8 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
cancel_delayed_work(&hba->rpm_dev_flush_recheck_work);
}
+ ufshcd_clear_ua_wluns(hba);
+
/* Schedule clock gating in case of no access to UFS device yet */
ufshcd_release(hba);
@@ -8925,7 +8946,8 @@ int ufshcd_system_suspend(struct ufs_hba *hba)
if ((ufs_get_pm_lvl_to_dev_pwr_mode(hba->spm_lvl) ==
hba->curr_dev_pwr_mode) &&
(ufs_get_pm_lvl_to_link_pwr_state(hba->spm_lvl) ==
- hba->uic_link_state))
+ hba->uic_link_state) &&
+ !hba->dev_info.b_rpm_dev_flush_capable)
goto out;
if (pm_runtime_suspended(hba->dev)) {
@@ -9353,7 +9375,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
}
/* Reset the attached device */
- ufshcd_vops_device_reset(hba);
+ ufshcd_device_reset(hba);
ufshcd_init_crypto(hba);
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index f8c2467dc014..aa9ea3552323 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -1218,16 +1218,12 @@ static inline void ufshcd_vops_dbg_register_dump(struct ufs_hba *hba)
hba->vops->dbg_register_dump(hba);
}
-static inline void ufshcd_vops_device_reset(struct ufs_hba *hba)
+static inline int ufshcd_vops_device_reset(struct ufs_hba *hba)
{
- if (hba->vops && hba->vops->device_reset) {
- int err = hba->vops->device_reset(hba);
-
- if (!err)
- ufshcd_set_ufs_dev_active(hba);
- if (err != -EOPNOTSUPP)
- ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err);
- }
+ if (hba->vops && hba->vops->device_reset)
+ return hba->vops->device_reset(hba);
+
+ return -EOPNOTSUPP;
}
static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba,
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 10:06:27 +0000