i.MX drivers update for 4.18:

- Use platform_device_add_data() instead of a pointer to a static
    memory in gpc/gpcv2 driver for platform data passing, so that we
    can avoid a BUG() when calling platform_device_put().
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Merge tag 'imx-drivers-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers update for 4.18:
 - Use platform_device_add_data() instead of a pointer to a static
   memory in gpc/gpcv2 driver for platform data passing, so that we
   can avoid a BUG() when calling platform_device_put().

* tag 'imx-drivers-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: Do not pass static memory as platform data
  soc: imx: gpcv2: Do not pass static memory as platform data

Signed-off-by: Olof Johansson <olof@lixom.net>

drivers/soc/imx/gpc.c

@@ -443,17 +443,25 @@ static int imx_gpc_probe(struct platform_device *pdev)
 			if (domain_index >= of_id_data->num_domains)
 				continue;
 
-			domain = &imx_gpc_domains[domain_index];
-			domain->regmap = regmap;
-			domain->ipg_rate_mhz = ipg_rate_mhz;
-
 			pd_pdev = platform_device_alloc("imx-pgc-power-domain",
 							domain_index);
 			if (!pd_pdev) {
 				of_node_put(np);
 				return -ENOMEM;
 			}
-			pd_pdev->dev.platform_data = domain;
+
+			ret = platform_device_add_data(pd_pdev,
+						       &imx_gpc_domains[domain_index],
+						       sizeof(imx_gpc_domains[domain_index]));
+			if (ret) {
+				platform_device_put(pd_pdev);
+				of_node_put(np);
+				return ret;
+			}
+			domain = pd_pdev->dev.platform_data;
+			domain->regmap = regmap;
+			domain->ipg_rate_mhz = ipg_rate_mhz;
+
 			pd_pdev->dev.parent = &pdev->dev;
 			pd_pdev->dev.of_node = np;
 

drivers/soc/imx/gpcv2.c

@@ -155,7 +155,7 @@ static int imx7_gpc_pu_pgc_sw_pdn_req(struct generic_pm_domain *genpd)
 	return imx7_gpc_pu_pgc_sw_pxx_req(genpd, false);
 }
 
-static struct imx7_pgc_domain imx7_pgc_domains[] = {
+static const struct imx7_pgc_domain imx7_pgc_domains[] = {
 	[IMX7_POWER_DOMAIN_MIPI_PHY] = {
 		.genpd = {
 			.name      = "mipi-phy",
@@ -321,11 +321,6 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 			continue;
 		}
 
-		domain = &imx7_pgc_domains[domain_index];
-		domain->regmap = regmap;
-		domain->genpd.power_on  = imx7_gpc_pu_pgc_sw_pup_req;
-		domain->genpd.power_off = imx7_gpc_pu_pgc_sw_pdn_req;
-
 		pd_pdev = platform_device_alloc("imx7-pgc-domain",
 						domain_index);
 		if (!pd_pdev) {
@@ -334,7 +329,20 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 			return -ENOMEM;
 		}
 
-		pd_pdev->dev.platform_data = domain;
+		ret = platform_device_add_data(pd_pdev,
+					       &imx7_pgc_domains[domain_index],
+					       sizeof(imx7_pgc_domains[domain_index]));
+		if (ret) {
+			platform_device_put(pd_pdev);
+			of_node_put(np);
+			return ret;
+		}
+
+		domain = pd_pdev->dev.platform_data;
+		domain->regmap = regmap;
+		domain->genpd.power_on  = imx7_gpc_pu_pgc_sw_pup_req;
+		domain->genpd.power_off = imx7_gpc_pu_pgc_sw_pdn_req;
+
 		pd_pdev->dev.parent = dev;
 		pd_pdev->dev.of_node = np;