usb: factor out state_string() on otg drivers

[firefly-linux-kernel-4.4.55.git] / drivers / usb / otg / langwell_otg.c

diff --git a/drivers/usb/otg/langwell_otg.c b/drivers/usb/otg/langwell_otg.c
index e973ff19c55a3009ec4557498fe0ea67f1b75b3e..f08f784086f76972fbf5f40f5667e64ac7fd5e9a 100644 (file)
--- a/drivers/usb/otg/langwell_otg.c
+++ b/drivers/usb/otg/langwell_otg.c
@@ -82,40 +82,6 @@ static struct pci_driver otg_pci_driver = {
        .resume =       langwell_otg_resume,
 };
 
-static const char *state_string(enum usb_otg_state state)
-{
-       switch (state) {
-       case OTG_STATE_A_IDLE:
-               return "a_idle";
-       case OTG_STATE_A_WAIT_VRISE:
-               return "a_wait_vrise";
-       case OTG_STATE_A_WAIT_BCON:
-               return "a_wait_bcon";
-       case OTG_STATE_A_HOST:
-               return "a_host";
-       case OTG_STATE_A_SUSPEND:
-               return "a_suspend";
-       case OTG_STATE_A_PERIPHERAL:
-               return "a_peripheral";
-       case OTG_STATE_A_WAIT_VFALL:
-               return "a_wait_vfall";
-       case OTG_STATE_A_VBUS_ERR:
-               return "a_vbus_err";
-       case OTG_STATE_B_IDLE:
-               return "b_idle";
-       case OTG_STATE_B_SRP_INIT:
-               return "b_srp_init";
-       case OTG_STATE_B_PERIPHERAL:
-               return "b_peripheral";
-       case OTG_STATE_B_WAIT_ACON:
-               return "b_wait_acon";
-       case OTG_STATE_B_HOST:
-               return "b_host";
-       default:
-               return "UNDEFINED";
-       }
-}
-
 /* HSM timers */
 static inline struct langwell_otg_timer *otg_timer_initializer
 (void (*function)(unsigned long), unsigned long expires, unsigned long data)
@@ -968,7 +934,7 @@ static void langwell_otg_work(struct work_struct *work)
        pdev = to_pci_dev(lnw->dev);
 
        dev_dbg(lnw->dev, "%s: old state = %s\n", __func__,
-                       state_string(iotg->otg.state));
+                       otg_state_string(iotg->otg.state));
 
        switch (iotg->otg.state) {
        case OTG_STATE_UNDEFINED:
@@ -1703,7 +1669,7 @@ static void langwell_otg_work(struct work_struct *work)
        }
 
        dev_dbg(lnw->dev, "%s: new state = %s\n", __func__,
-                       state_string(iotg->otg.state));
+                       otg_state_string(iotg->otg.state));
 }
 
 static ssize_t
@@ -1789,7 +1755,7 @@ show_hsm(struct device *_dev, struct device_attribute *attr, char *buf)
                "b_bus_req = \t%d\n"
                "b_bus_suspend_tmout = \t%d\n"
                "b_bus_suspend_vld = \t%d\n",
-               state_string(iotg->otg.state),
+               otg_state_string(iotg->otg.state),
                iotg->hsm.a_bus_resume,
                iotg->hsm.a_bus_suspend,
                iotg->hsm.a_conn,