[PATCH 4.19 092/118] ARM: OMAP2+: pm33xx-core: Do not Turn OFF CEFUSE as PPA may be using it

[Greg Kroah-Hartman]

[ Upstream commit 72aff4ecf1cb85a3c6e6b42ccbda0bc631b090b3 ]

This area is used to store keys by HSPPA in case of AM438x SOC. Leave it
active.

Signed-off-by: Kabir Sahane <x0153567@xxxxxx>
Signed-off-by: Andrew F. Davis <afd@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 arch/arm/mach-omap2/pm33xx-core.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c
index f4971e4a86b2..ca7026958d42 100644
--- a/arch/arm/mach-omap2/pm33xx-core.c
+++ b/arch/arm/mach-omap2/pm33xx-core.c
@@ -51,10 +51,12 @@ static int amx3_common_init(void)
 
 	/* CEFUSE domain can be turned off post bootup */
 	cefuse_pwrdm = pwrdm_lookup("cefuse_pwrdm");
-	if (cefuse_pwrdm)
-		omap_set_pwrdm_state(cefuse_pwrdm, PWRDM_POWER_OFF);
-	else
+	if (!cefuse_pwrdm)
 		pr_err("PM: Failed to get cefuse_pwrdm\n");
+	else if (omap_type() != OMAP2_DEVICE_TYPE_GP)
+		pr_info("PM: Leaving EFUSE power domain active\n");
+	else
+		omap_set_pwrdm_state(cefuse_pwrdm, PWRDM_POWER_OFF);
 
 	return 0;
 }
-- 
2.20.1