usb: musb: Remove redundant if statement
authorRoger Quadros <rogerq@ti.com>
Tue, 7 Aug 2012 13:26:32 +0000 (16:26 +0300)
committerFelipe Balbi <balbi@ti.com>
Thu, 9 Aug 2012 09:34:47 +0000 (12:34 +0300)
Remove unnecessary if condition. No change in logic.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/musb/musb_gadget.c

index 7fb060d912821ce93cf9207c0499fcaec640be72..d0b87e7b4abfd98b232c135df7661d6dbe0bfe90 100644 (file)
@@ -722,6 +722,7 @@ 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;
 
                                c = musb->dma_controller;
                                channel = musb_ep->dma;
@@ -742,35 +743,30 @@ 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,
+                                                       channel->max_len);
+                                       musb_ep->dma->desired_mode = 1;
+
                                } else {
                                        if (!musb_ep->hb_mult &&
                                                musb_ep->hw_ep->rx_double_buffered)
                                                csr |= MUSB_RXCSR_AUTOCLEAR;
                                        csr |= MUSB_RXCSR_DMAENAB;
                                        musb_writew(epio, MUSB_RXCSR, csr);
-                               }
 
-                               if (request->actual < request->length) {
-                                       int transfer_size = 0;
-                                       if (use_mode_1) {
-                                               transfer_size = min(request->length - request->actual,
-                                                               channel->max_len);
-                                               musb_ep->dma->desired_mode = 1;
-                                       } else {
-                                               transfer_size = min(request->length - request->actual,
+                                       transfer_size = min(request->length - request->actual,
                                                        (unsigned)fifo_count);
-                                               musb_ep->dma->desired_mode = 0;
-                                       }
-
-                                       use_dma = c->channel_program(
-                                                       channel,
-                                                       musb_ep->packet_sz,
-                                                       channel->desired_mode,
-                                                       request->dma
-                                                       + request->actual,
-                                                       transfer_size);
+                                       musb_ep->dma->desired_mode = 0;
                                }
 
+                               use_dma = c->channel_program(
+                                               channel,
+                                               musb_ep->packet_sz,
+                                               channel->desired_mode,
+                                               request->dma
+                                               + request->actual,
+                                               transfer_size);
+
                                if (use_dma)
                                        return;
                        }