From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Thu, 14 Feb 2019 15:54:47 +0000 (+0000)
Subject: ARM: at91: pm: keep at91_pm_backup_init() only for SAMA5D2 SoCs
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2fa86e5200a49b3f236a0835f3976c3148148206;p=openwrt%2Fstaging%2Fblogic.git

ARM: at91: pm: keep at91_pm_backup_init() only for SAMA5D2 SoCs

In at91_pm_backup_init() return if it is not about SAMA5D2 SoCs.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
---

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index e42db02eafe4..c83f78000ab3 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -588,6 +588,9 @@ static int __init at91_pm_backup_init(void)
 	struct platform_device *pdev = NULL;
 	int ret = -ENODEV;
 
+	if (!IS_ENABLED(CONFIG_SOC_SAMA5D2))
+		return -EPERM;
+
 	if (!at91_is_pm_mode_active(AT91_PM_BACKUP))
 		return 0;