xtensa: xtfpga: Use register_sys_off_handler(SYS_OFF_MODE_RESTART)

Function register_restart_handler() is deprecated. Using this new API
removes our need to keep and manage a struct notifier_block.

Signed-off-by: Andrew Davis <afd@ti.com>
Message-ID: <20260302193543.275197-3-afd@ti.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

Author: glneo

arch/xtensa/platforms/xtfpga/setup.c

@@ -42,8 +42,7 @@ static int xtfpga_power_off(struct sys_off_data *unused)
 	return NOTIFY_DONE;
 }
 
-static int xtfpga_restart(struct notifier_block *this,
-			  unsigned long event, void *ptr)
+static int xtfpga_restart(struct sys_off_data *unused)
 {
 	/* Try software reset first. */
 	WRITE_ONCE(*(u32 *)XTFPGA_SWRST_VADDR, 0xdead);
@@ -56,10 +55,6 @@ static int xtfpga_restart(struct notifier_block *this,
 	return NOTIFY_DONE;
 }
 
-static struct notifier_block xtfpga_restart_block = {
-	.notifier_call = xtfpga_restart,
-};
-
 #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 
 void __init platform_calibrate_ccount(void)
@@ -71,7 +66,9 @@ void __init platform_calibrate_ccount(void)
 
 static void __init xtfpga_register_handlers(void)
 {
-	register_restart_handler(&xtfpga_restart_block);
+	register_sys_off_handler(SYS_OFF_MODE_RESTART,
+				 SYS_OFF_PRIO_PLATFORM,
+				 xtfpga_restart, NULL);
 	register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,
 				 SYS_OFF_PRIO_DEFAULT,
 				 xtfpga_power_off, NULL);