Merge tag 'dmaengine-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support:

   - Apple admac t8112 device support

   - StarFive JH7110 DMA controller

  Updates:

   - Big pile of idxd updates to support IAA 2.0 device capabilities,
     DSA 2.0 Event Log and completion record faulting features and
     new DSA operations

   - at_xdmac supend & resume updates and driver code cleanup

   - k3-udma supend & resume support

   - k3-psil thread support for J784s4"

* tag 'dmaengine-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (57 commits)
  dmaengine: idxd: add per wq PRS disable
  dmaengine: idxd: add pid to exported sysfs attribute for opened file
  dmaengine: idxd: expose fault counters to sysfs
  dmaengine: idxd: add a device to represent the file opened
  dmaengine: idxd: add per file user counters for completion record faults
  dmaengine: idxd: process batch descriptor completion record faults
  dmaengine: idxd: add descs_completed field for completion record
  dmaengine: idxd: process user page faults for completion record
  dmaengine: idxd: add idxd_copy_cr() to copy user completion record during page fault handling
  dmaengine: idxd: create kmem cache for event log fault items
  dmaengine: idxd: add per DSA wq workqueue for processing cr faults
  dmanegine: idxd: add debugfs for event log dump
  dmaengine: idxd: add interrupt handling for event log
  dmaengine: idxd: setup event log configuration
  dmaengine: idxd: add event log size sysfs attribute
  dmaengine: idxd: make misc interrupt one shot
  dt-bindings: dma: snps,dw-axi-dmac: constrain the items of resets for JH7110 dma
  dt-bindings: dma: Drop unneeded quotes
  dmaengine: at_xdmac: align declaration of ret with the rest of variables
  dmaengine: at_xdmac: add a warning message regarding for unpaused channels
  ...

1 files changed, 7 insertions, 28 deletions

diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c
index b4de7d4a3105..0e1e9ca1c005 100644
--- a/drivers/dma/mv_xor_v2.c
+++ b/drivers/dma/mv_xor_v2.c
@@ -739,32 +739,18 @@ static int mv_xor_v2_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	xor_dev->reg_clk = devm_clk_get(&pdev->dev, "reg");
-	if (PTR_ERR(xor_dev->reg_clk) != -ENOENT) {
-		if (!IS_ERR(xor_dev->reg_clk)) {
-			ret = clk_prepare_enable(xor_dev->reg_clk);
-			if (ret)
-				return ret;
-		} else {
-			return PTR_ERR(xor_dev->reg_clk);
-		}
-	}
+	xor_dev->reg_clk = devm_clk_get_optional_enabled(&pdev->dev, "reg");
+	if (IS_ERR(xor_dev->reg_clk))
+		return PTR_ERR(xor_dev->reg_clk);
 
-	xor_dev->clk = devm_clk_get(&pdev->dev, NULL);
-	if (PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) {
-		ret = EPROBE_DEFER;
-		goto disable_reg_clk;
-	}
-	if (!IS_ERR(xor_dev->clk)) {
-		ret = clk_prepare_enable(xor_dev->clk);
-		if (ret)
-			goto disable_reg_clk;
-	}
+	xor_dev->clk = devm_clk_get_enabled(&pdev->dev, NULL);
+	if (IS_ERR(xor_dev->clk))
+		return PTR_ERR(xor_dev->clk);
 
 	ret = platform_msi_domain_alloc_irqs(&pdev->dev, 1,
 					     mv_xor_v2_set_msi_msg);
 	if (ret)
-		goto disable_clk;
+		return ret;
 
 	xor_dev->irq = msi_get_virq(&pdev->dev, 0);
 
@@ -866,10 +852,6 @@ free_hw_desq:
 			  xor_dev->hw_desq_virt, xor_dev->hw_desq);
 free_msi_irqs:
 	platform_msi_domain_free_irqs(&pdev->dev);
-disable_clk:
-	clk_disable_unprepare(xor_dev->clk);
-disable_reg_clk:
-	clk_disable_unprepare(xor_dev->reg_clk);
 	return ret;
 }
 
@@ -889,9 +871,6 @@ static int mv_xor_v2_remove(struct platform_device *pdev)
 
 	tasklet_kill(&xor_dev->irq_tasklet);
 
-	clk_disable_unprepare(xor_dev->clk);
-	clk_disable_unprepare(xor_dev->reg_clk);
-
 	return 0;
 }