[v7 PATCH 4/6] ACPI / APEI: Add callback for ARM HW errors to the GHES notifier

[Shiju Jose <shiju.jose@xxxxxxxxxx>]

Add callback function for handling the ARM HW errors to the GHES notifier.

Signed-off-by: Shiju Jose <shiju.jose@xxxxxxxxxx>
---
 drivers/acpi/apei/ghes.c | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 67ef1742fc93..3b89c7621a0d 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -564,6 +564,20 @@ static int ghes_handle_aer(struct notifier_block *nb, unsigned long event,
 	return NOTIFY_STOP;
 }
 
+static int ghes_handle_arm_hw_error(struct notifier_block *nb,
+				    unsigned long event, void *data)
+{
+	struct acpi_hest_generic_data *gdata = data;
+	struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+
+	if (!guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PROC_ARM))
+		return NOTIFY_DONE;
+
+	log_arm_hw_error(err);
+
+	return NOTIFY_STOP;
+}
+
 static struct notifier_block ghes_notifier_mem_error = {
 	.notifier_call = ghes_handle_memory_failure,
 };
@@ -572,6 +586,10 @@ static struct notifier_block ghes_notifier_aer = {
 	.notifier_call = ghes_handle_aer,
 };
 
+static struct notifier_block ghes_notifier_arm_hw_error = {
+	.notifier_call = ghes_handle_arm_hw_error,
+};
+
 struct ghes_error_handler_list {
 	const char *name;
 	struct notifier_block *nb;
@@ -586,6 +604,10 @@ static const struct ghes_error_handler_list ghes_error_handler_list[] = {
 		.name = "ghes_notifier_aer",
 		.nb = &ghes_notifier_aer,
 	},
+	{
+		.name = "ghes_notifier_arm_hw_error",
+		.nb = &ghes_notifier_arm_hw_error,
+	},
 };
 
 static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
@@ -670,12 +692,7 @@ static void ghes_do_proc(struct ghes *ghes,
 			pr_warn(GHES_PFX "ghes event queue full\n");
 			break;
 		}
-
-		if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
-			struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
-
-			log_arm_hw_error(err);
-		} else {
+		{
 			void *err = acpi_hest_get_payload(gdata);
 
 			log_non_standard_event(sec_type, fru_id, fru_text,
-- 
2.17.1