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Code Issues Releases Wiki Activity

USB: Mark EHCI LPM functions as __maybe_unused

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ehci_lpm_set_da and ehci_lpm_check are EHCI 1.1 specific functions which
are not used on many platforms but do generate annoying gcc warnings

Signed-off-by: Maksim Rayskiy <mrayskiy@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Maksim Rayskiy 2011-02-08 10:41:42 -08:00 committed by Greg Kroah-Hartman
parent 6b2e30c07f
commit 4f9e6c64d1
1 changed files with 3 additions and 2 deletions
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5
drivers/usb/host/ehci-lpm.c
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@ -17,7 +17,8 @@
*/
/* this file is part of ehci-hcd.c */
static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num)
static int __maybe_unused ehci_lpm_set_da(struct ehci_hcd *ehci,
int dev_addr, int port_num)
{
u32 __iomem portsc;
@ -37,7 +38,7 @@ static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num)
* this function is used to check if the device support LPM
* if yes, mark the PORTSC register with PORT_LPM bit
*/
static int ehci_lpm_check(struct ehci_hcd *ehci, int port)
static int __maybe_unused ehci_lpm_check(struct ehci_hcd *ehci, int port)
{
u32 __iomem *portsc ;
u32 val32;