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@xxxxxxxx>
---
drivers/usb/phy/phy-isp1301-omap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/phy/phy-isp1301-omap.c b/drivers/usb/phy/phy-isp1301-omap.c
index 3af263cc0caa..8d111ec653e4 100644
--- a/drivers/usb/phy/phy-isp1301-omap.c
+++ b/drivers/usb/phy/phy-isp1301-omap.c
@@ -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);
--
2.7.0
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