linux-kernel - [PATCH AUTOSEL 4.9 38/68] dmaengine: ioat: fix prototype of ioat_enumerate

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Date:   Tue, 12 Nov 2019 20:59:02 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Rami Rosen <ramirose@...il.com>, Vinod Koul <vkoul@...nel.org>,
        Sasha Levin <sashal@...nel.org>, dmaengine@...r.kernel.org
Subject: [PATCH AUTOSEL 4.9 38/68] dmaengine: ioat: fix prototype of ioat_enumerate_channels

From: Rami Rosen <ramirose@...il.com>

[ Upstream commit f4d34aa8c887a8a2d23ef546da0efa10e3f77241 ]

Signed-off-by: Rami Rosen <ramirose@...il.com>
Signed-off-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/dma/ioat/init.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index d139706f01fe8..9d936584d3310 100644
--- 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;
 }
 
 /**
-- 
2.20.1