dmaengine: axi-dmac: move clock enable earlier

The clock may also be required to read registers from the IP core (if it is provided and the driver needs to control it). So, move it earlier in the probe. Signed-off-by: Alexandru Ardelean <[email protected]>
analogdevicesinc · Aug 19, 2020 · 8dfa1bb · 8dfa1bb
1 parent 10204f1
commit 8dfa1bb
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
@@ -913,6 +913,10 @@ static int axi_dmac_probe(struct platform_device *pdev)
 	if (IS_ERR(dmac->clk))
 		return PTR_ERR(dmac->clk);
 
+	ret = clk_prepare_enable(dmac->clk);
+	if (ret < 0)
+		return ret;
+
 	INIT_LIST_HEAD(&dmac->chan.active_descs);
 
 	of_channels = of_get_child_by_name(pdev->dev.of_node, "adi,channels");
@@ -956,10 +960,6 @@ static int axi_dmac_probe(struct platform_device *pdev)
 	dmac->chan.vchan.desc_free = axi_dmac_desc_free;
 	vchan_init(&dmac->chan.vchan, dma_dev);
 
-	ret = clk_prepare_enable(dmac->clk);
-	if (ret < 0)
-		return ret;
-
 	version = axi_dmac_read(dmac, ADI_AXI_REG_VERSION);
 
 	ret = axi_dmac_detect_caps(dmac, version);