usb: musb: core: declare mbase only where it's used

... and avoid a compilation if we disable host side
of musb.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index e54e468c5672..0e8b8ab1d168 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -379,7 +379,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                                 u8 devctl, u8 power)
 {
         irqreturn_t handled = IRQ_NONE;
-        void __iomem *mbase = musb->mregs;
 
         DBG(3, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl,
                 int_usb);
@@ -394,6 +393,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
                 if (devctl & MUSB_DEVCTL_HM) {
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
+                        void __iomem *mbase = musb->mregs;
+
                         switch (musb->xceiv->state) {
                         case OTG_STATE_A_SUSPEND:
                                 /* remote wakeup?  later, GetPortStatus
@@ -471,6 +472,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
         /* see manual for the order of the tests */
         if (int_usb & MUSB_INTR_SESSREQ) {
+                void __iomem *mbase = musb->mregs;
+
                 DBG(1, "SESSION_REQUEST (%s)\n", otg_state_string(musb));
 
                 /* IRQ arrives from ID pin sense or (later, if VBUS power
@@ -519,6 +522,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                 case OTG_STATE_A_WAIT_BCON:
                 case OTG_STATE_A_WAIT_VRISE:
                         if (musb->vbuserr_retry) {
+                                void __iomem *mbase = musb->mregs;
+
                                 musb->vbuserr_retry--;
                                 ignore = 1;
                                 devctl |= MUSB_DEVCTL_SESSION;
@@ -622,6 +627,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
         if (int_usb & MUSB_INTR_CONNECT) {
                 struct usb_hcd *hcd = musb_to_hcd(musb);
+                void __iomem *mbase = musb->mregs;
 
                 handled = IRQ_HANDLED;
                 musb->is_active = 1;