[PATCH v4 3/9] platform/x86/amd/hsmp: Create static func to handle platdev

[Suma Hegde <suma.hegde@xxxxxxx>]

Create a static function and call platform device alloc and add device,
which will simplify handling acpi and plat device probing.

Signed-off-by: Suma Hegde <suma.hegde@xxxxxxx>
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@xxxxxxx>
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
Changes since v3:
None
Changes since v2:
1. Add "Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>"
Changes since v1:
1. Replace -1 with PLATFORM_DEVID_NONE in platform_device_alloc()
2. Add "Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>"
 drivers/platform/x86/amd/hsmp.c | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/drivers/platform/x86/amd/hsmp.c b/drivers/platform/x86/amd/hsmp.c
index 1a2abe4460f9..e3354683b138 100644
--- a/drivers/platform/x86/amd/hsmp.c
+++ b/drivers/platform/x86/amd/hsmp.c
@@ -551,6 +551,21 @@ static struct platform_driver amd_hsmp_driver = {
 
 static struct platform_device *amd_hsmp_platdev;
 
+static int hsmp_plat_dev_register(void)
+{
+	int ret;
+
+	amd_hsmp_platdev = platform_device_alloc(DRIVER_NAME, PLATFORM_DEVID_NONE);
+	if (!amd_hsmp_platdev)
+		return -ENOMEM;
+
+	ret = platform_device_add(amd_hsmp_platdev);
+	if (ret)
+		platform_device_put(amd_hsmp_platdev);
+
+	return ret;
+}
+
 static int __init hsmp_plt_init(void)
 {
 	int ret = -ENODEV;
@@ -573,22 +588,10 @@ static int __init hsmp_plt_init(void)
 	if (ret)
 		return ret;
 
-	amd_hsmp_platdev = platform_device_alloc(DRIVER_NAME, PLATFORM_DEVID_NONE);
-	if (!amd_hsmp_platdev) {
-		ret = -ENOMEM;
-		goto drv_unregister;
-	}
-
-	ret = platform_device_add(amd_hsmp_platdev);
-	if (ret) {
-		platform_device_put(amd_hsmp_platdev);
-		goto drv_unregister;
-	}
-
-	return 0;
+	ret = hsmp_plat_dev_register();
+	if (ret)
+		platform_driver_unregister(&amd_hsmp_driver);
 
-drv_unregister:
-	platform_driver_unregister(&amd_hsmp_driver);
 	return ret;
 }
 
-- 
2.25.1