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path: root/drivers/usb/phy/phy-fsl-usb.c
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Diffstat (limited to 'drivers/usb/phy/phy-fsl-usb.c')
-rw-r--r--drivers/usb/phy/phy-fsl-usb.c166
1 files changed, 2 insertions, 164 deletions
diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
index b451f4695f3f..f34c9437a182 100644
--- a/drivers/usb/phy/phy-fsl-usb.c
+++ b/drivers/usb/phy/phy-fsl-usb.c
@@ -911,10 +911,10 @@ int usb_otg_start(struct platform_device *pdev)
break;
case FSL_USB2_PHY_UTMI_WIDE:
temp |= PORTSC_PTW_16BIT;
- /* fall through */
+ fallthrough;
case FSL_USB2_PHY_UTMI:
temp |= PORTSC_PTS_UTMI;
- /* fall through */
+ fallthrough;
default:
break;
}
@@ -957,159 +957,6 @@ int usb_otg_start(struct platform_device *pdev)
return 0;
}
-/*
- * state file in sysfs
- */
-static ssize_t show_fsl_usb2_otg_state(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct otg_fsm *fsm = &fsl_otg_dev->fsm;
- char *next = buf;
- unsigned size = PAGE_SIZE;
- int t;
-
- mutex_lock(&fsm->lock);
-
- /* basic driver infomation */
- t = scnprintf(next, size,
- DRIVER_DESC "\n" "fsl_usb2_otg version: %s\n\n",
- DRIVER_VERSION);
- size -= t;
- next += t;
-
- /* Registers */
- t = scnprintf(next, size,
- "OTGSC: 0x%08x\n"
- "PORTSC: 0x%08x\n"
- "USBMODE: 0x%08x\n"
- "USBCMD: 0x%08x\n"
- "USBSTS: 0x%08x\n"
- "USBINTR: 0x%08x\n",
- fsl_readl(&usb_dr_regs->otgsc),
- fsl_readl(&usb_dr_regs->portsc),
- fsl_readl(&usb_dr_regs->usbmode),
- fsl_readl(&usb_dr_regs->usbcmd),
- fsl_readl(&usb_dr_regs->usbsts),
- fsl_readl(&usb_dr_regs->usbintr));
- size -= t;
- next += t;
-
- /* State */
- t = scnprintf(next, size,
- "OTG state: %s\n\n",
- usb_otg_state_string(fsl_otg_dev->phy.otg->state));
- size -= t;
- next += t;
-
- /* State Machine Variables */
- t = scnprintf(next, size,
- "a_bus_req: %d\n"
- "b_bus_req: %d\n"
- "a_bus_resume: %d\n"
- "a_bus_suspend: %d\n"
- "a_conn: %d\n"
- "a_sess_vld: %d\n"
- "a_srp_det: %d\n"
- "a_vbus_vld: %d\n"
- "b_bus_resume: %d\n"
- "b_bus_suspend: %d\n"
- "b_conn: %d\n"
- "b_se0_srp: %d\n"
- "b_ssend_srp: %d\n"
- "b_sess_vld: %d\n"
- "id: %d\n",
- fsm->a_bus_req,
- fsm->b_bus_req,
- fsm->a_bus_resume,
- fsm->a_bus_suspend,
- fsm->a_conn,
- fsm->a_sess_vld,
- fsm->a_srp_det,
- fsm->a_vbus_vld,
- fsm->b_bus_resume,
- fsm->b_bus_suspend,
- fsm->b_conn,
- fsm->b_se0_srp,
- fsm->b_ssend_srp,
- fsm->b_sess_vld,
- fsm->id);
- size -= t;
- next += t;
-
- mutex_unlock(&fsm->lock);
-
- return PAGE_SIZE - size;
-}
-
-static DEVICE_ATTR(fsl_usb2_otg_state, S_IRUGO, show_fsl_usb2_otg_state, NULL);
-
-static struct attribute *fsl_otg_attrs[] = {
- &dev_attr_fsl_usb2_otg_state.attr,
- NULL,
-};
-ATTRIBUTE_GROUPS(fsl_otg);
-
-/* Char driver interface to control some OTG input */
-
-/*
- * Handle some ioctl command, such as get otg
- * status and set host suspend
- */
-static long fsl_otg_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- u32 retval = 0;
-
- switch (cmd) {
- case GET_OTG_STATUS:
- retval = fsl_otg_dev->host_working;
- break;
-
- case SET_A_SUSPEND_REQ:
- fsl_otg_dev->fsm.a_suspend_req_inf = arg;
- break;
-
- case SET_A_BUS_DROP:
- fsl_otg_dev->fsm.a_bus_drop = arg;
- break;
-
- case SET_A_BUS_REQ:
- fsl_otg_dev->fsm.a_bus_req = arg;
- break;
-
- case SET_B_BUS_REQ:
- fsl_otg_dev->fsm.b_bus_req = arg;
- break;
-
- default:
- break;
- }
-
- otg_statemachine(&fsl_otg_dev->fsm);
-
- return retval;
-}
-
-static int fsl_otg_open(struct inode *inode, struct file *file)
-{
- return 0;
-}
-
-static int fsl_otg_release(struct inode *inode, struct file *file)
-{
- return 0;
-}
-
-static const struct file_operations otg_fops = {
- .owner = THIS_MODULE,
- .llseek = NULL,
- .read = NULL,
- .write = NULL,
- .unlocked_ioctl = fsl_otg_ioctl,
- .open = fsl_otg_open,
- .release = fsl_otg_release,
-};
-
static int fsl_otg_probe(struct platform_device *pdev)
{
int ret;
@@ -1131,12 +978,6 @@ static int fsl_otg_probe(struct platform_device *pdev)
return ret;
}
- ret = register_chrdev(FSL_OTG_MAJOR, FSL_OTG_NAME, &otg_fops);
- if (ret) {
- dev_err(&pdev->dev, "unable to register FSL OTG device\n");
- return ret;
- }
-
return ret;
}
@@ -1153,8 +994,6 @@ static int fsl_otg_remove(struct platform_device *pdev)
kfree(fsl_otg_dev->phy.otg);
kfree(fsl_otg_dev);
- unregister_chrdev(FSL_OTG_MAJOR, FSL_OTG_NAME);
-
if (pdata->exit)
pdata->exit(pdev);
@@ -1167,7 +1006,6 @@ struct platform_driver fsl_otg_driver = {
.driver = {
.name = driver_name,
.owner = THIS_MODULE,
- .dev_groups = fsl_otg_groups,
},
};