[PATCH 4/8] ARM: at91: pm: keep at91_pm_backup_init() only for SAMA5D2 SoCs

From: Claudiu.Beznea
Date: Thu Feb 14 2019 - 10:54:54 EST


From: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>

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

Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
arch/arm/mach-at91/pm.c | 3 +++
1 file changed, 3 insertions(+)

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;

--
2.7.4