Looks like this code was ever used. It was added by commit fe3702054f6412aea04373ceb9d27a4a417ff3f0 "OMAP: Fix USB on Nokia 770" that can be found from linux-omap history if needed.
Signed-off-by: Jarkko Nikula <[email protected]> --- drivers/cbus/tahvo-usb.c | 48 +--------------------------------------------- 1 files changed, 1 insertions(+), 47 deletions(-) diff --git a/drivers/cbus/tahvo-usb.c b/drivers/cbus/tahvo-usb.c index f6b3c1a..be0333f 100644 --- a/drivers/cbus/tahvo-usb.c +++ b/drivers/cbus/tahvo-usb.c @@ -236,47 +236,6 @@ static DEVICE_ATTR(vbus_state, 0444, vbus_state_show, NULL); int vbus_active = 0; -#if 0 - -static int host_suspend(struct tahvo_usb *tu) -{ - struct device *dev; - - if (!tu->otg.host) - return -ENODEV; - - /* Currently ASSUMES only the OTG port matters; - * other ports could be active... - */ - dev = tu->otg.host->controller; - return dev->driver->suspend(dev, PMSG_SUSPEND); -} - -static int host_resume(struct tahvo_usb *tu) -{ - struct device *dev; - - if (!tu->otg.host) - return -ENODEV; - - dev = tu->otg.host->controller; - return dev->driver->resume(dev); -} - -#else - -static int host_suspend(struct tahvo_usb *tu) -{ - return 0; -} - -static int host_resume(struct tahvo_usb *tu) -{ - return 0; -} - -#endif - static void check_vbus_state(struct tahvo_usb *tu) { int reg, prev_state; @@ -303,7 +262,6 @@ static void check_vbus_state(struct tahvo_usb *tu) case OTG_STATE_A_IDLE: /* Session is now valid assuming the USB hub is driving Vbus */ tu->otg.state = OTG_STATE_A_HOST; - host_resume(tu); break; default: break; @@ -355,7 +313,6 @@ static void tahvo_usb_become_host(struct tahvo_usb *tu) static void tahvo_usb_stop_host(struct tahvo_usb *tu) { - host_suspend(tu); tu->otg.state = OTG_STATE_A_IDLE; } @@ -403,8 +360,6 @@ static void tahvo_usb_power_off(struct tahvo_usb *tu) if (tu->otg.gadget) usb_gadget_vbus_disconnect(tu->otg.gadget); - host_suspend(tu); - /* Disable OTG and interrupts */ if (TAHVO_MODE(tu) == TAHVO_MODE_PERIPHERAL) id = OTG_ID; @@ -521,8 +476,7 @@ static int tahvo_usb_set_host(struct otg_transceiver *otg, struct usb_bus *host) if (TAHVO_MODE(tu) == TAHVO_MODE_HOST) { tu->otg.host = NULL; tahvo_usb_become_host(tu); - } else - host_suspend(tu); + } tu->otg.host = host; -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
