ASoC: fsl_sai: use local device pointer

Use a local variable to dereference the device pointer once and use the
local variable in further calls. No functional changes.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20220601092342.3328644-1-m.felsch@pengutronix.deSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_sai.c

@@ -1004,6 +1004,7 @@ static int fsl_sai_runtime_resume(struct device *dev);
 static int fsl_sai_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
+	struct device *dev = &pdev->dev;
 	struct fsl_sai *sai;
 	struct regmap *gpr;
 	struct resource *res;
@@ -1012,12 +1013,12 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	int irq, ret, i;
 	int index;
 
-	sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL);
+	sai = devm_kzalloc(dev, sizeof(*sai), GFP_KERNEL);
 	if (!sai)
 		return -ENOMEM;
 
 	sai->pdev = pdev;
-	sai->soc_data = of_device_get_match_data(&pdev->dev);
+	sai->soc_data = of_device_get_match_data(dev);
 
 	sai->is_lsb_first = of_property_read_bool(np, "lsb-first");
 
@@ -1032,18 +1033,18 @@ static int fsl_sai_probe(struct platform_device *pdev)
 			ARRAY_SIZE(fsl_sai_reg_defaults_ofs8);
 	}
 
-	sai->regmap = devm_regmap_init_mmio(&pdev->dev, base, &fsl_sai_regmap_config);
+	sai->regmap = devm_regmap_init_mmio(dev, base, &fsl_sai_regmap_config);
 	if (IS_ERR(sai->regmap)) {
-		dev_err(&pdev->dev, "regmap init failed\n");
+		dev_err(dev, "regmap init failed\n");
 		return PTR_ERR(sai->regmap);
 	}
 
-	sai->bus_clk = devm_clk_get(&pdev->dev, "bus");
+	sai->bus_clk = devm_clk_get(dev, "bus");
 	/* Compatible with old DTB cases */
 	if (IS_ERR(sai->bus_clk) && PTR_ERR(sai->bus_clk) != -EPROBE_DEFER)
-		sai->bus_clk = devm_clk_get(&pdev->dev, "sai");
+		sai->bus_clk = devm_clk_get(dev, "sai");
 	if (IS_ERR(sai->bus_clk)) {
-		dev_err(&pdev->dev, "failed to get bus clock: %ld\n",
+		dev_err(dev, "failed to get bus clock: %ld\n",
 				PTR_ERR(sai->bus_clk));
 		/* -EPROBE_DEFER */
 		return PTR_ERR(sai->bus_clk);
@@ -1051,9 +1052,9 @@ static int fsl_sai_probe(struct platform_device *pdev)
 
 	for (i = 1; i < FSL_SAI_MCLK_MAX; i++) {
 		sprintf(tmp, "mclk%d", i);
-		sai->mclk_clk[i] = devm_clk_get(&pdev->dev, tmp);
+		sai->mclk_clk[i] = devm_clk_get(dev, tmp);
 		if (IS_ERR(sai->mclk_clk[i])) {
-			dev_err(&pdev->dev, "failed to get mclk%d clock: %ld\n",
+			dev_err(dev, "failed to get mclk%d clock: %ld\n",
 					i + 1, PTR_ERR(sai->mclk_clk[i]));
 			sai->mclk_clk[i] = NULL;
 		}
@@ -1068,10 +1069,10 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
-	ret = devm_request_irq(&pdev->dev, irq, fsl_sai_isr, IRQF_SHARED,
+	ret = devm_request_irq(dev, irq, fsl_sai_isr, IRQF_SHARED,
 			       np->name, sai);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to claim irq %u\n", irq);
+		dev_err(dev, "failed to claim irq %u\n", irq);
 		return ret;
 	}
 
@@ -1088,7 +1089,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	if (of_find_property(np, "fsl,sai-synchronous-rx", NULL) &&
 	    of_find_property(np, "fsl,sai-asynchronous", NULL)) {
 		/* error out if both synchronous and asynchronous are present */
-		dev_err(&pdev->dev, "invalid binding for synchronous mode\n");
+		dev_err(dev, "invalid binding for synchronous mode\n");
 		return -EINVAL;
 	}
 
@@ -1109,7 +1110,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	    of_device_is_compatible(np, "fsl,imx6ul-sai")) {
 		gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
 		if (IS_ERR(gpr)) {
-			dev_err(&pdev->dev, "cannot find iomuxc registers\n");
+			dev_err(dev, "cannot find iomuxc registers\n");
 			return PTR_ERR(gpr);
 		}
 
@@ -1127,23 +1128,23 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	sai->dma_params_tx.maxburst = FSL_SAI_MAXBURST_TX;
 
 	platform_set_drvdata(pdev, sai);
-	pm_runtime_enable(&pdev->dev);
-	if (!pm_runtime_enabled(&pdev->dev)) {
-		ret = fsl_sai_runtime_resume(&pdev->dev);
+	pm_runtime_enable(dev);
+	if (!pm_runtime_enabled(dev)) {
+		ret = fsl_sai_runtime_resume(dev);
 		if (ret)
 			goto err_pm_disable;
 	}
 
-	ret = pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_get_sync(dev);
 	if (ret < 0) {
-		pm_runtime_put_noidle(&pdev->dev);
+		pm_runtime_put_noidle(dev);
 		goto err_pm_get_sync;
 	}
 
 	/* Get sai version */
-	ret = fsl_sai_check_version(&pdev->dev);
+	ret = fsl_sai_check_version(dev);
 	if (ret < 0)
-		dev_warn(&pdev->dev, "Error reading SAI version: %d\n", ret);
+		dev_warn(dev, "Error reading SAI version: %d\n", ret);
 
 	/* Select MCLK direction */
 	if (of_find_property(np, "fsl,sai-mclk-direction-output", NULL) &&
@@ -1152,7 +1153,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 				   FSL_SAI_MCTL_MCLK_EN, FSL_SAI_MCTL_MCLK_EN);
 	}
 
-	ret = pm_runtime_put_sync(&pdev->dev);
+	ret = pm_runtime_put_sync(dev);
 	if (ret < 0)
 		goto err_pm_get_sync;
 
@@ -1165,12 +1166,12 @@ static int fsl_sai_probe(struct platform_device *pdev)
 		if (ret)
 			goto err_pm_get_sync;
 	} else {
-		ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+		ret = devm_snd_dmaengine_pcm_register(dev, NULL, 0);
 		if (ret)
 			goto err_pm_get_sync;
 	}
 
-	ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component,
+	ret = devm_snd_soc_register_component(dev, &fsl_component,
 					      &sai->cpu_dai_drv, 1);
 	if (ret)
 		goto err_pm_get_sync;
@@ -1178,10 +1179,10 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	return ret;
 
 err_pm_get_sync:
-	if (!pm_runtime_status_suspended(&pdev->dev))
-		fsl_sai_runtime_suspend(&pdev->dev);
+	if (!pm_runtime_status_suspended(dev))
+		fsl_sai_runtime_suspend(dev);
 err_pm_disable:
-	pm_runtime_disable(&pdev->dev);
+	pm_runtime_disable(dev);
 
 	return ret;
 }