mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-14 06:35:12 +00:00
Code Issues Releases Wiki Activity

usb: gadget: dummy_hcd: use dummy_pullup() instead of open coding

Browse source 
The removed code does the same thing as dummy_pullup(). The only
difference is that in dummy_udc_stop() the first dummy_pullup()
did not call usb_hcd_poll_rh_status().

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sebastian Andrzej Siewior 2011-06-16 20:36:55 +02:00 committed by Greg Kroah-Hartman
parent e9c23a255a
commit 2542787430
1 changed files with 7 additions and 27 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
drivers/usb/gadget/dummy_hcd.c
View file

@ -944,31 +944,21 @@ static int dummy_udc_start(struct usb_gadget_driver *driver,
return retval;
}
/* khubd will enumerate this in a while */
spin_lock_irq (&dum->lock);
dum->pullup = 1;
if (dum->gadget.speed == USB_SPEED_SUPER) {
if (dum->gadget.speed == USB_SPEED_SUPER)
dum->gadget.is_otg =
(dummy_hcd_to_hcd(dum->ss_hcd)->self.otg_port != 0);
set_link_state(dum->ss_hcd);
} else {
else
dum->gadget.is_otg =
(dummy_hcd_to_hcd(dum->hs_hcd)->self.otg_port != 0);
set_link_state(dum->hs_hcd);
}
spin_unlock_irq (&dum->lock);
usb_hcd_poll_rh_status((dum->gadget.speed == USB_SPEED_SUPER ?
dummy_hcd_to_hcd(dum->ss_hcd) :
dummy_hcd_to_hcd(dum->hs_hcd)));
/* khubd will enumerate this in a while */
dummy_pullup(&dum->gadget, 1);
return 0;
}
static int dummy_udc_stop(struct usb_gadget_driver *driver)
{
struct dummy *dum = &the_controller;
unsigned long flags;
if (!dum)
return -ENODEV;
@ -978,23 +968,13 @@ static int dummy_udc_stop(struct usb_gadget_driver *driver)
dev_dbg (udc_dev(dum), "unregister gadget driver '%s'\n",
driver->driver.name);
spin_lock_irqsave (&dum->lock, flags);
dum->pullup = 0;
set_link_state((dum->gadget.speed == USB_SPEED_SUPER ?
dum->ss_hcd : dum->hs_hcd));
spin_unlock_irqrestore (&dum->lock, flags);
dummy_pullup(&dum->gadget, 0);
driver->unbind (&dum->gadget);
dum->gadget.dev.driver = NULL;
dum->driver = NULL;
spin_lock_irqsave (&dum->lock, flags);
dum->pullup = 0;
set_link_state((dum->gadget.speed == USB_SPEED_SUPER ?
dum->ss_hcd : dum->hs_hcd));
spin_unlock_irqrestore (&dum->lock, flags);
usb_hcd_poll_rh_status((dum->gadget.speed == USB_SPEED_SUPER ?
dummy_hcd_to_hcd(dum->ss_hcd) :
dummy_hcd_to_hcd(dum->hs_hcd)));
dummy_pullup(&dum->gadget, 0);
return 0;
}