usb: musb: gadget: fix compile warning
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@ti.com>
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index b47f66d..d35a375 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -627,7 +627,7 @@
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;
@@ -669,10 +669,11 @@
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;
-
} else {
if (!musb_ep->hb_mult &&
musb_ep->hw_ep->rx_double_buffered)
@@ -702,7 +703,7 @@
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 @@
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);