X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fspi%2Fspi-atmel.c;h=013458cabe3c6f05e2b47fa4384d87295ab4206b;hb=f9981d4f50b475d7dbb70f3022b87a3c8bba9fd6;hp=56f0ca361deba481ff7807a6edf91eef58cc98e5;hpb=043cf46825c102683b1027762c09c7e2b749e5a3;p=linux-2.6-microblaze.git

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 56f0ca361deb..013458cabe3c 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -514,26 +514,19 @@ static int atmel_spi_configure_dma(struct spi_master *master,
 	master->dma_tx = dma_request_chan(dev, "tx");
 	if (IS_ERR(master->dma_tx)) {
 		err = PTR_ERR(master->dma_tx);
-		if (err == -EPROBE_DEFER) {
-			dev_warn(dev, "no DMA channel available at the moment\n");
-			goto error_clear;
-		}
-		dev_err(dev,
-			"DMA TX channel not available, SPI unable to use DMA\n");
-		err = -EBUSY;
+		if (err != -EPROBE_DEFER)
+			dev_err(dev, "No TX DMA channel, DMA is disabled\n");
 		goto error_clear;
 	}
 
-	/*
-	 * No reason to check EPROBE_DEFER here since we have already requested
-	 * tx channel. If it fails here, it's for another reason.
-	 */
-	master->dma_rx = dma_request_slave_channel(dev, "rx");
-
-	if (!master->dma_rx) {
-		dev_err(dev,
-			"DMA RX channel not available, SPI unable to use DMA\n");
-		err = -EBUSY;
+	master->dma_rx = dma_request_chan(dev, "rx");
+	if (IS_ERR(master->dma_rx)) {
+		err = PTR_ERR(master->dma_rx);
+		/*
+		 * No reason to check EPROBE_DEFER here since we have already
+		 * requested tx channel.
+		 */
+		dev_err(dev, "No RX DMA channel, DMA is disabled\n");
 		goto error;
 	}
 
@@ -548,7 +541,7 @@ static int atmel_spi_configure_dma(struct spi_master *master,
 
 	return 0;
 error:
-	if (master->dma_rx)
+	if (!IS_ERR(master->dma_rx))
 		dma_release_channel(master->dma_rx);
 	if (!IS_ERR(master->dma_tx))
 		dma_release_channel(master->dma_tx);