sata_dwc_460ex: fix return value of dma_dwc_xfer_setup()
Sergei Shtylyov [Fri, 28 Jan 2011 18:58:54 +0000 (21:58 +0300)]
The caller expects this function to return the DMA channel number on success,
while it returns 0...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/ata/sata_dwc_460ex.c

index 9d78f9b..34fc137 100644 (file)
@@ -44,7 +44,7 @@
 #undef DRV_NAME
 #undef DRV_VERSION
 #define DRV_NAME        "sata-dwc"
-#define DRV_VERSION     "1.1"
+#define DRV_VERSION     "1.2"
 
 /* SATA DMA driver Globals */
 #define DMA_NUM_CHANS          1
@@ -718,7 +718,7 @@ static int dma_dwc_xfer_setup(struct scatterlist *sg, int num_elems,
        /* Program the CTL register with src enable / dst enable */
        out_le32(&(host_pvt.sata_dma_regs->chan_regs[dma_ch].ctl.low),
                 DMA_CTL_LLP_SRCEN | DMA_CTL_LLP_DSTEN);
-       return 0;
+       return dma_ch;
 }
 
 /*