[ARM] pxa/spitz: provide spitz_ohci_exit() that unregisters USB_HOST GPIO

Currently spitz_ohci_init() that requests GPIO doesn't have
corresponding spitz_ohci_exit() which will gpio_free(). This causes
minor problems e.g. during resume when the OHCI device can't be resumed.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index cdacea09abfa..5a45fe340a10 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -531,9 +531,15 @@ static int spitz_ohci_init(struct device *dev)
         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 }
 
+static void spitz_ohci_exit(struct device *dev)
+{
+        gpio_free(SPITZ_GPIO_USB_HOST);
+}
+
 static struct pxaohci_platform_data spitz_ohci_platform_data = {
         .port_mode      = PMM_NPS_MODE,
         .init           = spitz_ohci_init,
+        .exit           = spitz_ohci_exit,
         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
         .power_budget   = 150,
 };