usb: factor out state_string() on otg drivers
Provide common otg_state_string() and use
it in drivers.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/otg/langwell_otg.c b/drivers/usb/otg/langwell_otg.c
index e973ff1..f08f784 100644
--- a/drivers/usb/otg/langwell_otg.c
+++ b/drivers/usb/otg/langwell_otg.c
@@ -82,40 +82,6 @@
.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 @@
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 @@
}
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 @@
"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,