[PATCH] usb: musb: remove unused variable 'devctl'

[min.guo at mediatek.com]

From: Min Guo <min.guo at mediatek.com>

Remove unused 'devctl' variable to fix compile warnings:

    drivers/usb/musb/musbhsdma.c: In function 'dma_controller_irq':
    drivers/usb/musb/musbhsdma.c:324:8: warning: variable 'devctl' set
    but not used [-Wunused-but-set-variable]

Signed-off-by: Min Guo <min.guo at mediatek.com>
---
 drivers/usb/musb/musbhsdma.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 0aacfc8be5a1..7acd1635850d 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -321,8 +321,6 @@ irqreturn_t dma_controller_irq(int irq, void *private_data)
 				musb_channel->channel.status =
 					MUSB_DMA_STATUS_BUS_ABORT;
 			} else {
-				u8 devctl;
-
 				addr = musb_read_hsdma_addr(mbase,
 						bchannel);
 				channel->actual_len = addr
@@ -336,8 +334,6 @@ irqreturn_t dma_controller_irq(int irq, void *private_data)
 						< musb_channel->len) ?
 					"=> reconfig 0" : "=> complete");
 
-				devctl = musb_readb(mbase, MUSB_DEVCTL);
-
 				channel->status = MUSB_DMA_STATUS_FREE;
 
 				/* completed */
-- 
2.18.0