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From: Frank Li <Frank.Li@nxp.com>
Date: Sat, 23 Mar 2024 11:34:52 -0400
Subject: [PATCH v3 3/5] dmaengine: fsl-edma: clean up chclk and
 FSL_EDMA_DRV_HAS_CHCLK
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To: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, Peng Fan <peng.fan@nxp.com>
Cc: imx@lists.linux.dev, dmaengine@vger.kernel.org, 
 linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, 
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No device currently utilizes chclk and FSL_EDMA_DRV_HAS_CHCLK features.
Removes these unused features.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/dma/fsl-edma-common.h | 2 --
 drivers/dma/fsl-edma-main.c   | 8 --------
 2 files changed, 10 deletions(-)

diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index 4cf1de9f0e512..532f647e540e7 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -192,7 +192,6 @@ struct fsl_edma_desc {
 #define FSL_EDMA_DRV_WRAP_IO		BIT(3)
 #define FSL_EDMA_DRV_EDMA64		BIT(4)
 #define FSL_EDMA_DRV_HAS_PD		BIT(5)
-#define FSL_EDMA_DRV_HAS_CHCLK		BIT(6)
 #define FSL_EDMA_DRV_HAS_CHMUX		BIT(7)
 /* imx8 QM audio edma remote local swapped */
 #define FSL_EDMA_DRV_QUIRK_SWAPPED	BIT(8)
@@ -237,7 +236,6 @@ struct fsl_edma_engine {
 	void __iomem		*muxbase[DMAMUX_NR];
 	struct clk		*muxclk[DMAMUX_NR];
 	struct clk		*dmaclk;
-	struct clk		*chclk;
 	struct mutex		fsl_edma_mutex;
 	const struct fsl_edma_drvdata *drvdata;
 	u32			n_chans;
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index 2148a7f1ae843..41c71c360ff1f 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -483,14 +483,6 @@ static int fsl_edma_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (drvdata->flags & FSL_EDMA_DRV_HAS_CHCLK) {
-		fsl_edma->chclk = devm_clk_get_enabled(&pdev->dev, "mp");
-		if (IS_ERR(fsl_edma->chclk)) {
-			dev_err(&pdev->dev, "Missing MP block clock.\n");
-			return PTR_ERR(fsl_edma->chclk);
-		}
-	}
-
 	ret = of_property_read_variable_u32_array(np, "dma-channel-mask", chan_mask, 1, 2);
 
 	if (ret > 0) {

-- 
2.34.1