[RFC PATCH 09/10] usb: musb: gadget: fix compile warning

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Fix the following compile warning:

drivers/usb/musb/musb_gadget.c: In function ‘rxstate’:
drivers/usb/musb/musb_gadget.c:714:22: warning: comparison of distinct pointer types lacks a cast [enabled by default]

Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
 drivers/usb/musb/musb_gadget.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index df919f0..11a3976 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -627,7 +627,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 				struct dma_controller	*c;
 				struct dma_channel	*channel;
 				int			use_dma = 0;
-				int transfer_size;
+				unsigned int transfer_size;
 
 				c = musb->dma_controller;
 				channel = musb_ep->dma;
@@ -669,7 +669,8 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 						csr | MUSB_RXCSR_DMAMODE);
 					musb_writew(epio, MUSB_RXCSR, csr);
 
-					transfer_size = min(request->length - request->actual,
+					transfer_size = min_t(unsigned int,
+							request->length - request->actual,
 							channel->max_len);
 					musb_ep->dma->desired_mode = 1;
 
@@ -702,7 +703,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 
 				struct dma_controller *c;
 				struct dma_channel *channel;
-				int transfer_size = 0;
+				unsigned int transfer_size = 0;
 
 				c = musb->dma_controller;
 				channel = musb_ep->dma;
@@ -711,11 +712,13 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 				if (fifo_count < musb_ep->packet_sz)
 					transfer_size = fifo_count;
 				else if (request->short_not_ok)
-					transfer_size =	min(request->length -
+					transfer_size =	min_t(unsigned int,
+							request->length -
 							request->actual,
 							channel->max_len);
 				else
-					transfer_size = min(request->length -
+					transfer_size = min_t(unsigned int,
+							request->length -
 							request->actual,
 							(unsigned)fifo_count);
 
-- 
1.8.1.rc1.5.g7e0651a

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