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path: root/drivers/scsi/ufs/ufshcd.c
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Diffstat (limited to 'drivers/scsi/ufs/ufshcd.c')
-rw-r--r--drivers/scsi/ufs/ufshcd.c130
1 files changed, 57 insertions, 73 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index b0ade73f8..85cd2564c 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -271,10 +271,8 @@ static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
*/
static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba)
{
- if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION) {
- if (hba->vops && hba->vops->get_ufs_hci_version)
- return hba->vops->get_ufs_hci_version(hba);
- }
+ if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION)
+ return ufshcd_vops_get_ufs_hci_version(hba);
return ufshcd_readl(hba, REG_UFS_VERSION);
}
@@ -627,6 +625,7 @@ start:
out:
return rc;
}
+EXPORT_SYMBOL_GPL(ufshcd_hold);
static void ufshcd_gate_work(struct work_struct *work)
{
@@ -714,6 +713,7 @@ void ufshcd_release(struct ufs_hba *hba)
__ufshcd_release(hba);
spin_unlock_irqrestore(hba->host->host_lock, flags);
}
+EXPORT_SYMBOL_GPL(ufshcd_release);
static ssize_t ufshcd_clkgate_delay_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -2473,9 +2473,8 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
dev_err(hba->dev,
"%s: power mode change failed %d\n", __func__, ret);
} else {
- if (hba->vops && hba->vops->pwr_change_notify)
- hba->vops->pwr_change_notify(hba,
- POST_CHANGE, NULL, pwr_mode);
+ ufshcd_vops_pwr_change_notify(hba, POST_CHANGE, NULL,
+ pwr_mode);
memcpy(&hba->pwr_info, pwr_mode,
sizeof(struct ufs_pa_layer_attr));
@@ -2495,10 +2494,10 @@ static int ufshcd_config_pwr_mode(struct ufs_hba *hba,
struct ufs_pa_layer_attr final_params = { 0 };
int ret;
- if (hba->vops && hba->vops->pwr_change_notify)
- hba->vops->pwr_change_notify(hba,
- PRE_CHANGE, desired_pwr_mode, &final_params);
- else
+ ret = ufshcd_vops_pwr_change_notify(hba, PRE_CHANGE,
+ desired_pwr_mode, &final_params);
+
+ if (ret)
memcpy(&final_params, desired_pwr_mode, sizeof(final_params));
ret = ufshcd_change_power_mode(hba, &final_params);
@@ -2647,8 +2646,7 @@ static int ufshcd_hba_enable(struct ufs_hba *hba)
/* UniPro link is disabled at this point */
ufshcd_set_link_off(hba);
- if (hba->vops && hba->vops->hce_enable_notify)
- hba->vops->hce_enable_notify(hba, PRE_CHANGE);
+ ufshcd_vops_hce_enable_notify(hba, PRE_CHANGE);
/* start controller initialization sequence */
ufshcd_hba_start(hba);
@@ -2681,8 +2679,7 @@ static int ufshcd_hba_enable(struct ufs_hba *hba)
/* enable UIC related interrupts */
ufshcd_enable_intr(hba, UFSHCD_UIC_MASK);
- if (hba->vops && hba->vops->hce_enable_notify)
- hba->vops->hce_enable_notify(hba, POST_CHANGE);
+ ufshcd_vops_hce_enable_notify(hba, POST_CHANGE);
return 0;
}
@@ -2735,8 +2732,7 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
int retries = DME_LINKSTARTUP_RETRIES;
do {
- if (hba->vops && hba->vops->link_startup_notify)
- hba->vops->link_startup_notify(hba, PRE_CHANGE);
+ ufshcd_vops_link_startup_notify(hba, PRE_CHANGE);
ret = ufshcd_dme_link_startup(hba);
@@ -2767,11 +2763,9 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
}
/* Include any host controller configuration via UIC commands */
- if (hba->vops && hba->vops->link_startup_notify) {
- ret = hba->vops->link_startup_notify(hba, POST_CHANGE);
- if (ret)
- goto out;
- }
+ ret = ufshcd_vops_link_startup_notify(hba, POST_CHANGE);
+ if (ret)
+ goto out;
ret = ufshcd_make_hba_operational(hba);
out:
@@ -4355,7 +4349,6 @@ static struct scsi_host_template ufshcd_driver_template = {
.cmd_per_lun = UFSHCD_CMD_PER_LUN,
.can_queue = UFSHCD_CAN_QUEUE,
.max_host_blocked = 1,
- .use_blk_tags = 1,
.track_queue_depth = 1,
};
@@ -4578,8 +4571,7 @@ static int __ufshcd_setup_clocks(struct ufs_hba *hba, bool on,
}
}
- if (hba->vops && hba->vops->setup_clocks)
- ret = hba->vops->setup_clocks(hba, on);
+ ret = ufshcd_vops_setup_clocks(hba, on);
out:
if (ret) {
list_for_each_entry(clki, head, list) {
@@ -4645,27 +4637,22 @@ static int ufshcd_variant_hba_init(struct ufs_hba *hba)
if (!hba->vops)
goto out;
- if (hba->vops->init) {
- err = hba->vops->init(hba);
- if (err)
- goto out;
- }
+ err = ufshcd_vops_init(hba);
+ if (err)
+ goto out;
- if (hba->vops->setup_regulators) {
- err = hba->vops->setup_regulators(hba, true);
- if (err)
- goto out_exit;
- }
+ err = ufshcd_vops_setup_regulators(hba, true);
+ if (err)
+ goto out_exit;
goto out;
out_exit:
- if (hba->vops->exit)
- hba->vops->exit(hba);
+ ufshcd_vops_exit(hba);
out:
if (err)
dev_err(hba->dev, "%s: variant %s init failed err %d\n",
- __func__, hba->vops ? hba->vops->name : "", err);
+ __func__, ufshcd_get_var_name(hba), err);
return err;
}
@@ -4674,14 +4661,11 @@ static void ufshcd_variant_hba_exit(struct ufs_hba *hba)
if (!hba->vops)
return;
- if (hba->vops->setup_clocks)
- hba->vops->setup_clocks(hba, false);
+ ufshcd_vops_setup_clocks(hba, false);
- if (hba->vops->setup_regulators)
- hba->vops->setup_regulators(hba, false);
+ ufshcd_vops_setup_regulators(hba, false);
- if (hba->vops->exit)
- hba->vops->exit(hba);
+ ufshcd_vops_exit(hba);
}
static int ufshcd_hba_init(struct ufs_hba *hba)
@@ -5058,17 +5042,13 @@ disable_clks:
* vendor specific host controller register space call them before the
* host clocks are ON.
*/
- if (hba->vops && hba->vops->suspend) {
- ret = hba->vops->suspend(hba, pm_op);
- if (ret)
- goto set_link_active;
- }
+ ret = ufshcd_vops_suspend(hba, pm_op);
+ if (ret)
+ goto set_link_active;
- if (hba->vops && hba->vops->setup_clocks) {
- ret = hba->vops->setup_clocks(hba, false);
- if (ret)
- goto vops_resume;
- }
+ ret = ufshcd_vops_setup_clocks(hba, false);
+ if (ret)
+ goto vops_resume;
if (!ufshcd_is_link_active(hba))
ufshcd_setup_clocks(hba, false);
@@ -5079,7 +5059,7 @@ disable_clks:
hba->clk_gating.state = CLKS_OFF;
/*
* Disable the host irq as host controller as there won't be any
- * host controller trasanction expected till resume.
+ * host controller transaction expected till resume.
*/
ufshcd_disable_irq(hba);
/* Put the host controller in low power mode if possible */
@@ -5087,8 +5067,7 @@ disable_clks:
goto out;
vops_resume:
- if (hba->vops && hba->vops->resume)
- hba->vops->resume(hba, pm_op);
+ ufshcd_vops_resume(hba, pm_op);
set_link_active:
ufshcd_vreg_set_hpm(hba);
if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba))
@@ -5144,11 +5123,9 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
* vendor specific host controller register space call them when the
* host clocks are ON.
*/
- if (hba->vops && hba->vops->resume) {
- ret = hba->vops->resume(hba, pm_op);
- if (ret)
- goto disable_vreg;
- }
+ ret = ufshcd_vops_resume(hba, pm_op);
+ if (ret)
+ goto disable_vreg;
if (ufshcd_is_link_hibern8(hba)) {
ret = ufshcd_uic_hibern8_exit(hba);
@@ -5189,8 +5166,7 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
set_old_link_state:
ufshcd_link_state_transition(hba, old_link_state, 0);
vendor_suspend:
- if (hba->vops && hba->vops->suspend)
- hba->vops->suspend(hba, pm_op);
+ ufshcd_vops_suspend(hba, pm_op);
disable_vreg:
ufshcd_vreg_set_lpm(hba);
disable_irq_and_vops_clks:
@@ -5373,6 +5349,16 @@ void ufshcd_remove(struct ufs_hba *hba)
EXPORT_SYMBOL_GPL(ufshcd_remove);
/**
+ * ufshcd_dealloc_host - deallocate Host Bus Adapter (HBA)
+ * @hba: pointer to Host Bus Adapter (HBA)
+ */
+void ufshcd_dealloc_host(struct ufs_hba *hba)
+{
+ scsi_host_put(hba->host);
+}
+EXPORT_SYMBOL_GPL(ufshcd_dealloc_host);
+
+/**
* ufshcd_set_dma_mask - Set dma mask based on the controller
* addressing capability
* @hba: per adapter instance
@@ -5433,6 +5419,10 @@ static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up)
if (!head || list_empty(head))
goto out;
+ ret = ufshcd_vops_clk_scale_notify(hba, scale_up, PRE_CHANGE);
+ if (ret)
+ return ret;
+
list_for_each_entry(clki, head, list) {
if (!IS_ERR_OR_NULL(clki->clk)) {
if (scale_up && clki->max_freq) {
@@ -5463,8 +5453,9 @@ static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up)
dev_dbg(hba->dev, "%s: clk: %s, rate: %lu\n", __func__,
clki->name, clk_get_rate(clki->clk));
}
- if (hba->vops->clk_scale_notify)
- hba->vops->clk_scale_notify(hba);
+
+ ret = ufshcd_vops_clk_scale_notify(hba, scale_up, POST_CHANGE);
+
out:
return ret;
}
@@ -5619,13 +5610,6 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
hba->is_irq_enabled = true;
}
- /* Enable SCSI tag mapping */
- err = scsi_init_shared_tag_map(host, host->can_queue);
- if (err) {
- dev_err(hba->dev, "init shared queue failed\n");
- goto exit_gating;
- }
-
err = scsi_add_host(host, hba->dev);
if (err) {
dev_err(hba->dev, "scsi_add_host failed\n");