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path: root/drivers/usb/phy/phy-msm-usb.c
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Diffstat (limited to 'drivers/usb/phy/phy-msm-usb.c')
-rw-r--r--drivers/usb/phy/phy-msm-usb.c107
1 files changed, 52 insertions, 55 deletions
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index 29be0e654ecc..000fd892455f 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -708,7 +708,7 @@ static void msm_otg_start_host(struct usb_phy *phy, int on)
static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
{
- struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy);
+ struct msm_otg *motg = container_of(otg->usb_phy, struct msm_otg, phy);
struct usb_hcd *hcd;
/*
@@ -716,16 +716,16 @@ static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
* only peripheral configuration.
*/
if (motg->pdata->mode == USB_DR_MODE_PERIPHERAL) {
- dev_info(otg->phy->dev, "Host mode is not supported\n");
+ dev_info(otg->usb_phy->dev, "Host mode is not supported\n");
return -ENODEV;
}
if (!host) {
- if (otg->phy->state == OTG_STATE_A_HOST) {
- pm_runtime_get_sync(otg->phy->dev);
- msm_otg_start_host(otg->phy, 0);
+ if (otg->state == OTG_STATE_A_HOST) {
+ pm_runtime_get_sync(otg->usb_phy->dev);
+ msm_otg_start_host(otg->usb_phy, 0);
otg->host = NULL;
- otg->phy->state = OTG_STATE_UNDEFINED;
+ otg->state = OTG_STATE_UNDEFINED;
schedule_work(&motg->sm_work);
} else {
otg->host = NULL;
@@ -738,14 +738,14 @@ static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
hcd->power_budget = motg->pdata->power_budget;
otg->host = host;
- dev_dbg(otg->phy->dev, "host driver registered w/ tranceiver\n");
+ dev_dbg(otg->usb_phy->dev, "host driver registered w/ tranceiver\n");
/*
* Kick the state machine work, if peripheral is not supported
* or peripheral is already registered with us.
*/
if (motg->pdata->mode == USB_DR_MODE_HOST || otg->gadget) {
- pm_runtime_get_sync(otg->phy->dev);
+ pm_runtime_get_sync(otg->usb_phy->dev);
schedule_work(&motg->sm_work);
}
@@ -782,23 +782,23 @@ static void msm_otg_start_peripheral(struct usb_phy *phy, int on)
static int msm_otg_set_peripheral(struct usb_otg *otg,
struct usb_gadget *gadget)
{
- struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy);
+ struct msm_otg *motg = container_of(otg->usb_phy, struct msm_otg, phy);
/*
* Fail peripheral registration if this board can support
* only host configuration.
*/
if (motg->pdata->mode == USB_DR_MODE_HOST) {
- dev_info(otg->phy->dev, "Peripheral mode is not supported\n");
+ dev_info(otg->usb_phy->dev, "Peripheral mode is not supported\n");
return -ENODEV;
}
if (!gadget) {
- if (otg->phy->state == OTG_STATE_B_PERIPHERAL) {
- pm_runtime_get_sync(otg->phy->dev);
- msm_otg_start_peripheral(otg->phy, 0);
+ if (otg->state == OTG_STATE_B_PERIPHERAL) {
+ pm_runtime_get_sync(otg->usb_phy->dev);
+ msm_otg_start_peripheral(otg->usb_phy, 0);
otg->gadget = NULL;
- otg->phy->state = OTG_STATE_UNDEFINED;
+ otg->state = OTG_STATE_UNDEFINED;
schedule_work(&motg->sm_work);
} else {
otg->gadget = NULL;
@@ -807,14 +807,15 @@ static int msm_otg_set_peripheral(struct usb_otg *otg,
return 0;
}
otg->gadget = gadget;
- dev_dbg(otg->phy->dev, "peripheral driver registered w/ tranceiver\n");
+ dev_dbg(otg->usb_phy->dev,
+ "peripheral driver registered w/ tranceiver\n");
/*
* Kick the state machine work, if host is not supported
* or host is already registered with us.
*/
if (motg->pdata->mode == USB_DR_MODE_PERIPHERAL || otg->host) {
- pm_runtime_get_sync(otg->phy->dev);
+ pm_runtime_get_sync(otg->usb_phy->dev);
schedule_work(&motg->sm_work);
}
@@ -1170,20 +1171,20 @@ static void msm_otg_sm_work(struct work_struct *w)
struct msm_otg *motg = container_of(w, struct msm_otg, sm_work);
struct usb_otg *otg = motg->phy.otg;
- switch (otg->phy->state) {
+ switch (otg->state) {
case OTG_STATE_UNDEFINED:
- dev_dbg(otg->phy->dev, "OTG_STATE_UNDEFINED state\n");
- msm_otg_reset(otg->phy);
+ dev_dbg(otg->usb_phy->dev, "OTG_STATE_UNDEFINED state\n");
+ msm_otg_reset(otg->usb_phy);
msm_otg_init_sm(motg);
- otg->phy->state = OTG_STATE_B_IDLE;
+ otg->state = OTG_STATE_B_IDLE;
/* FALL THROUGH */
case OTG_STATE_B_IDLE:
- dev_dbg(otg->phy->dev, "OTG_STATE_B_IDLE state\n");
+ dev_dbg(otg->usb_phy->dev, "OTG_STATE_B_IDLE state\n");
if (!test_bit(ID, &motg->inputs) && otg->host) {
/* disable BSV bit */
writel(readl(USB_OTGSC) & ~OTGSC_BSVIE, USB_OTGSC);
- msm_otg_start_host(otg->phy, 1);
- otg->phy->state = OTG_STATE_A_HOST;
+ msm_otg_start_host(otg->usb_phy, 1);
+ otg->state = OTG_STATE_A_HOST;
} else if (test_bit(B_SESS_VLD, &motg->inputs)) {
switch (motg->chg_state) {
case USB_CHG_STATE_UNDEFINED:
@@ -1198,14 +1199,16 @@ static void msm_otg_sm_work(struct work_struct *w)
case USB_CDP_CHARGER:
msm_otg_notify_charger(motg,
IDEV_CHG_MAX);
- msm_otg_start_peripheral(otg->phy, 1);
- otg->phy->state
+ msm_otg_start_peripheral(otg->usb_phy,
+ 1);
+ otg->state
= OTG_STATE_B_PERIPHERAL;
break;
case USB_SDP_CHARGER:
msm_otg_notify_charger(motg, IUNIT);
- msm_otg_start_peripheral(otg->phy, 1);
- otg->phy->state
+ msm_otg_start_peripheral(otg->usb_phy,
+ 1);
+ otg->state
= OTG_STATE_B_PERIPHERAL;
break;
default:
@@ -1222,36 +1225,36 @@ static void msm_otg_sm_work(struct work_struct *w)
* is incremented in charger detection work.
*/
if (cancel_delayed_work_sync(&motg->chg_work)) {
- pm_runtime_put_sync(otg->phy->dev);
- msm_otg_reset(otg->phy);
+ pm_runtime_put_sync(otg->usb_phy->dev);
+ msm_otg_reset(otg->usb_phy);
}
msm_otg_notify_charger(motg, 0);
motg->chg_state = USB_CHG_STATE_UNDEFINED;
motg->chg_type = USB_INVALID_CHARGER;
}
- if (otg->phy->state == OTG_STATE_B_IDLE)
- pm_runtime_put_sync(otg->phy->dev);
+ if (otg->state == OTG_STATE_B_IDLE)
+ pm_runtime_put_sync(otg->usb_phy->dev);
break;
case OTG_STATE_B_PERIPHERAL:
- dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n");
+ dev_dbg(otg->usb_phy->dev, "OTG_STATE_B_PERIPHERAL state\n");
if (!test_bit(B_SESS_VLD, &motg->inputs) ||
!test_bit(ID, &motg->inputs)) {
msm_otg_notify_charger(motg, 0);
- msm_otg_start_peripheral(otg->phy, 0);
+ msm_otg_start_peripheral(otg->usb_phy, 0);
motg->chg_state = USB_CHG_STATE_UNDEFINED;
motg->chg_type = USB_INVALID_CHARGER;
- otg->phy->state = OTG_STATE_B_IDLE;
- msm_otg_reset(otg->phy);
+ otg->state = OTG_STATE_B_IDLE;
+ msm_otg_reset(otg->usb_phy);
schedule_work(w);
}
break;
case OTG_STATE_A_HOST:
- dev_dbg(otg->phy->dev, "OTG_STATE_A_HOST state\n");
+ dev_dbg(otg->usb_phy->dev, "OTG_STATE_A_HOST state\n");
if (test_bit(ID, &motg->inputs)) {
- msm_otg_start_host(otg->phy, 0);
- otg->phy->state = OTG_STATE_B_IDLE;
- msm_otg_reset(otg->phy);
+ msm_otg_start_host(otg->usb_phy, 0);
+ otg->state = OTG_STATE_B_IDLE;
+ msm_otg_reset(otg->usb_phy);
schedule_work(w);
}
break;
@@ -1303,7 +1306,7 @@ static int msm_otg_mode_show(struct seq_file *s, void *unused)
struct msm_otg *motg = s->private;
struct usb_otg *otg = motg->phy.otg;
- switch (otg->phy->state) {
+ switch (otg->state) {
case OTG_STATE_A_HOST:
seq_puts(s, "host\n");
break;
@@ -1353,7 +1356,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
switch (req_mode) {
case USB_DR_MODE_UNKNOWN:
- switch (otg->phy->state) {
+ switch (otg->state) {
case OTG_STATE_A_HOST:
case OTG_STATE_B_PERIPHERAL:
set_bit(ID, &motg->inputs);
@@ -1364,7 +1367,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
}
break;
case USB_DR_MODE_PERIPHERAL:
- switch (otg->phy->state) {
+ switch (otg->state) {
case OTG_STATE_B_IDLE:
case OTG_STATE_A_HOST:
set_bit(ID, &motg->inputs);
@@ -1375,7 +1378,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
}
break;
case USB_DR_MODE_HOST:
- switch (otg->phy->state) {
+ switch (otg->state) {
case OTG_STATE_B_IDLE:
case OTG_STATE_B_PERIPHERAL:
clear_bit(ID, &motg->inputs);
@@ -1388,7 +1391,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
goto out;
}
- pm_runtime_get_sync(otg->phy->dev);
+ pm_runtime_get_sync(otg->usb_phy->dev);
schedule_work(&motg->sm_work);
out:
return status;
@@ -1505,10 +1508,8 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg)
}
pdata->phy_init_seq = devm_kzalloc(&pdev->dev, len, GFP_KERNEL);
- if (!pdata->phy_init_seq) {
- dev_warn(&pdev->dev, "No space for PHY init sequence\n");
+ if (!pdata->phy_init_seq)
return 0;
- }
ret = of_property_read_u32_array(node, "qcom,phy-init-sequence",
pdata->phy_init_seq, words);
@@ -1530,10 +1531,8 @@ static int msm_otg_probe(struct platform_device *pdev)
void __iomem *phy_select;
motg = devm_kzalloc(&pdev->dev, sizeof(struct msm_otg), GFP_KERNEL);
- if (!motg) {
- dev_err(&pdev->dev, "unable to allocate msm_otg\n");
+ if (!motg)
return -ENOMEM;
- }
pdata = dev_get_platdata(&pdev->dev);
if (!pdata) {
@@ -1546,10 +1545,8 @@ static int msm_otg_probe(struct platform_device *pdev)
motg->phy.otg = devm_kzalloc(&pdev->dev, sizeof(struct usb_otg),
GFP_KERNEL);
- if (!motg->phy.otg) {
- dev_err(&pdev->dev, "unable to allocate msm_otg\n");
+ if (!motg->phy.otg)
return -ENOMEM;
- }
phy = &motg->phy;
phy->dev = &pdev->dev;
@@ -1674,7 +1671,7 @@ static int msm_otg_probe(struct platform_device *pdev)
phy->io_ops = &msm_otg_io_ops;
- phy->otg->phy = &motg->phy;
+ phy->otg->usb_phy = &motg->phy;
phy->otg->set_host = msm_otg_set_host;
phy->otg->set_peripheral = msm_otg_set_peripheral;
@@ -1775,7 +1772,7 @@ static int msm_otg_runtime_idle(struct device *dev)
* This 1 sec delay also prevents entering into LPM immediately
* after asynchronous interrupt.
*/
- if (otg->phy->state != OTG_STATE_UNDEFINED)
+ if (otg->state != OTG_STATE_UNDEFINED)
pm_schedule_suspend(dev, 1000);
return -EAGAIN;