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usb: isp1301-omap: mark power_up as __maybe_unused

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The power_up function is used for otg or udc mode, but nost when
the driver is only configured for host mode:

drivers/usb/phy/phy-isp1301-omap.c:261:13: error: 'power_up' defined but not used [-Werror=unused-function]

This marks the function __maybe_unused to avoid the warning and
silently drop the definition when it is unused.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Arnd Bergmann 2016-01-28 17:23:13 +01:00 committed by Felipe Balbi
parent d0fc35bc08
commit 5b35becce7
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/phy/phy-isp1301-omap.c
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@ -258,7 +258,7 @@ static void power_down(struct isp1301 *isp)
isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
}
static void power_up(struct isp1301 *isp)
static void __maybe_unused power_up(struct isp1301 *isp)
{
// isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);