ASoC: qcom: Stop casting away __iomem for error pointers

We don't need to cast away __iomem when testing with IS_ERR() or
converting with PTR_ERR(). Modern sparse can handle this just fine.
Drop it.

Cc: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Cc: Srinivasa Rao <srivasam@codeaurora.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Cheng-Yi Chiang <cychiang@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210115034327.617223-4-swboyd@chromium.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/lpass-cpu.c

@@ -788,10 +788,10 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-lpaif");
 
 	drvdata->lpaif = devm_ioremap_resource(dev, res);
-	if (IS_ERR((void const __force *)drvdata->lpaif)) {
+	if (IS_ERR(drvdata->lpaif)) {
 		dev_err(dev, "error mapping reg resource: %ld\n",
-				PTR_ERR((void const __force *)drvdata->lpaif));
-		return PTR_ERR((void const __force *)drvdata->lpaif);
+				PTR_ERR(drvdata->lpaif));
+		return PTR_ERR(drvdata->lpaif);
 	}
 
 	lpass_cpu_regmap_config.max_register = LPAIF_WRDMAPER_REG(variant,
@@ -810,10 +810,10 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
 		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-hdmiif");
 
 		drvdata->hdmiif = devm_ioremap_resource(dev, res);
-		if (IS_ERR((void const __force *)drvdata->hdmiif)) {
+		if (IS_ERR(drvdata->hdmiif)) {
 			dev_err(dev, "error mapping reg resource: %ld\n",
-					PTR_ERR((void const __force *)drvdata->hdmiif));
-			return PTR_ERR((void const __force *)drvdata->hdmiif);
+					PTR_ERR(drvdata->hdmiif));
+			return PTR_ERR(drvdata->hdmiif);
 		}
 
 		lpass_hdmi_regmap_config.max_register = LPAIF_HDMI_RDMAPER_REG(variant,