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authorAnatolij Gustschin <agust@denx.de>2011-04-15 16:18:38 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-05-03 01:39:09 +0200
commit3dacdf11f1f82b98d301d5e1d42cdaea9a39968a (patch)
tree8a7b6d46b91fbc51d6e78ff436fc51e7c63aaced /drivers/usb/otg/otg.c
parentusb/usbtest: fix test10 on superpseed (diff)
downloadlinux-3dacdf11f1f82b98d301d5e1d42cdaea9a39968a.tar.xz
linux-3dacdf11f1f82b98d301d5e1d42cdaea9a39968a.zip
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>
Diffstat (limited to 'drivers/usb/otg/otg.c')
-rw-r--r--drivers/usb/otg/otg.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c
index 0a43a7db750f..fb7adeff9ffa 100644
--- a/drivers/usb/otg/otg.c
+++ b/drivers/usb/otg/otg.c
@@ -64,3 +64,38 @@ int otg_set_transceiver(struct otg_transceiver *x)
return 0;
}
EXPORT_SYMBOL(otg_set_transceiver);
+
+const char *otg_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";
+ }
+}
+EXPORT_SYMBOL(otg_state_string);