dmaengine: ioat: fix prototype of ioat_enumerate_channels

[ Upstream commit f4d34aa8c887a8a2d23ef546da0efa10e3f77241 ]

Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index d139706..9d93658 100644 (file)
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -129,7 +129,7 @@ static void
 ioat_init_channel(struct ioatdma_device *ioat_dma,
                  struct ioatdma_chan *ioat_chan, int idx);
 static void ioat_intr_quirk(struct ioatdma_device *ioat_dma);
-static int ioat_enumerate_channels(struct ioatdma_device *ioat_dma);
+static void ioat_enumerate_channels(struct ioatdma_device *ioat_dma);
 static int ioat3_dma_self_test(struct ioatdma_device *ioat_dma);
 
 static int ioat_dca_enabled = 1;
@@ -573,7 +573,7 @@ static void ioat_dma_remove(struct ioatdma_device *ioat_dma)
  * ioat_enumerate_channels - find and initialize the device's channels
  * @ioat_dma: the ioat dma device to be enumerated
  */
-static int ioat_enumerate_channels(struct ioatdma_device *ioat_dma)
+static void ioat_enumerate_channels(struct ioatdma_device *ioat_dma)
 {
        struct ioatdma_chan *ioat_chan;
        struct device *dev = &ioat_dma->pdev->dev;
@@ -592,7 +592,7 @@ static int ioat_enumerate_channels(struct ioatdma_device *ioat_dma)
        xfercap_log = readb(ioat_dma->reg_base + IOAT_XFERCAP_OFFSET);
        xfercap_log &= 0x1f; /* bits [4:0] valid */
        if (xfercap_log == 0)
-               return 0;
+               return;
        dev_dbg(dev, "%s: xfercap = %d\n", __func__, 1 << xfercap_log);
 
        for (i = 0; i < dma->chancnt; i++) {
@@ -609,7 +609,6 @@ static int ioat_enumerate_channels(struct ioatdma_device *ioat_dma)
                }
        }
        dma->chancnt = i;
-       return i;
 }
 
 /**