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usb: ehci: unlink_empty_async_suspended() only used with CONFIG_PM

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Compiling with !CONFIG_PM generates an unused function warning on
unlink_empty_async_suspended().

Enclose the function in a #ifdef CONFIG_PM

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tony Prisk 2013-03-27 18:28:00 +13:00 committed by Greg Kroah-Hartman
parent ab1f046a19
commit 4d053fdac3
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/host/ehci-q.c
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@ -1293,6 +1293,7 @@ static void unlink_empty_async(struct ehci_hcd *ehci)
}
}
#ifdef CONFIG_PM
/* The root hub is suspended; unlink all the async QHs */
static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
{
@ -1305,6 +1306,7 @@ static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
}
start_iaa_cycle(ehci);
}
#endif
/* makes sure the async qh will become idle */
/* caller must own ehci->lock */