pwm: Convert to devm_ioremap_resource()

Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/pwm/pwm-imx.c

@@ -274,9 +274,9 @@ static int imx_pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	imx->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	imx->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (imx->mmio_base == NULL)
+	if (IS_ERR(imx->mmio_base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(imx->mmio_base);
 
 	data = of_id->data;
 	imx->config = data->config;

drivers/pwm/pwm-lpc32xx.c

@@ -110,9 +110,9 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev)
 	if (!res)
 		return -EINVAL;
 
-	lpc32xx->base = devm_request_and_ioremap(&pdev->dev, res);
+	lpc32xx->base = devm_ioremap_resource(&pdev->dev, res);
-	if (!lpc32xx->base)
+	if (IS_ERR(lpc32xx->base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(lpc32xx->base);
 
 	lpc32xx->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(lpc32xx->clk))

drivers/pwm/pwm-mxs.c

@@ -139,9 +139,9 @@ static int mxs_pwm_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mxs->base = devm_request_and_ioremap(&pdev->dev, res);
+	mxs->base = devm_ioremap_resource(&pdev->dev, res);
-	if (!mxs->base)
+	if (IS_ERR(mxs->base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(mxs->base);
 
 	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
 	if (IS_ERR(pinctrl))

drivers/pwm/pwm-puv3.c

@@ -123,9 +123,9 @@ static int pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	puv3->base = devm_request_and_ioremap(&pdev->dev, r);
+	puv3->base = devm_ioremap_resource(&pdev->dev, r);
-	if (puv3->base == NULL)
+	if (IS_ERR(puv3->base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(puv3->base);
 
 	puv3->chip.dev = &pdev->dev;
 	puv3->chip.ops = &puv3_pwm_ops;

drivers/pwm/pwm-pxa.c

@@ -165,9 +165,9 @@ static int pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	pwm->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	pwm->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (pwm->mmio_base == NULL)
+	if (IS_ERR(pwm->mmio_base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(pwm->mmio_base);
 
 	ret = pwmchip_add(&pwm->chip);
 	if (ret < 0) {

drivers/pwm/pwm-spear.c

@@ -192,9 +192,9 @@ static int spear_pwm_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	pc->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	pc->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (!pc->mmio_base)
+	if (IS_ERR(pc->mmio_base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(pc->mmio_base);
 
 	pc->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(pc->clk))

drivers/pwm/pwm-tegra.c

@@ -186,9 +186,9 @@ static int tegra_pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	pwm->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	pwm->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (!pwm->mmio_base)
+	if (IS_ERR(pwm->mmio_base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(pwm->mmio_base);
 
 	platform_set_drvdata(pdev, pwm);
 

drivers/pwm/pwm-tiecap.c

@@ -238,9 +238,9 @@ static int ecap_pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	pc->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	pc->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (!pc->mmio_base)
+	if (IS_ERR(pc->mmio_base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(pc->mmio_base);
 
 	ret = pwmchip_add(&pc->chip);
 	if (ret < 0) {

drivers/pwm/pwm-tiehrpwm.c

@@ -453,9 +453,9 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	pc->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	pc->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (!pc->mmio_base)
+	if (IS_ERR(pc->mmio_base))
-		return  -EADDRNOTAVAIL;
+		return PTR_ERR(pc->mmio_base);
 
 	/* Acquire tbclk for Time Base EHRPWM submodule */
 	pc->tbclk = devm_clk_get(&pdev->dev, "tbclk");

drivers/pwm/pwm-tipwmss.c

@@ -75,9 +75,9 @@ static int pwmss_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	info->mmio_base = devm_request_and_ioremap(&pdev->dev, r);
+	info->mmio_base = devm_ioremap_resource(&pdev->dev, r);
-	if (!info->mmio_base)
+	if (IS_ERR(info->mmio_base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(info->mmio_base);
 
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_get_sync(&pdev->dev);

drivers/pwm/pwm-vt8500.c

@@ -178,9 +178,9 @@ static int vt8500_pwm_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	chip->base = devm_request_and_ioremap(&pdev->dev, r);
+	chip->base = devm_ioremap_resource(&pdev->dev, r);
-	if (!chip->base)
+	if (IS_ERR(chip->base))
-		return -EADDRNOTAVAIL;
+		return PTR_ERR(chip->base);
 
 	ret = clk_prepare(chip->clk);
 	if (ret < 0) {