[PATCH] usb: mtu3: declare functions static

[Sudip Mukherjee]

The only user of the  functions mtu3_irq() and gpd_ring_empty() are in
the same file. They can be declared as static.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---
 drivers/usb/mtu3/mtu3_core.c | 2 +-
 drivers/usb/mtu3/mtu3_qmu.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 520e55a..603b7f84 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -696,7 +696,7 @@ static irqreturn_t mtu3_u2_common_isr(struct mtu3 *mtu)
 	return IRQ_HANDLED;
 }
 
-irqreturn_t mtu3_irq(int irq, void *data)
+static irqreturn_t mtu3_irq(int irq, void *data)
 {
 	struct mtu3 *mtu = (struct mtu3 *)data;
 	unsigned long flags;
diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c
index a6dd292..7d9ba8a 100644
--- a/drivers/usb/mtu3/mtu3_qmu.c
+++ b/drivers/usb/mtu3/mtu3_qmu.c
@@ -168,7 +168,7 @@ static struct qmu_gpd *advance_deq_gpd(struct mtu3_gpd_ring *ring)
 }
 
 /* check if a ring is emtpy */
-int gpd_ring_empty(struct mtu3_gpd_ring *ring)
+static int gpd_ring_empty(struct mtu3_gpd_ring *ring)
 {
 	struct qmu_gpd *enq = ring->enqueue;
 	struct qmu_gpd *next;
-- 
1.9.1