ARM: OMAP2+: pm33xx-core: Do not Turn OFF CEFUSE as PPA may be using it

[ Upstream commit 72aff4ecf1cb85a3c6e6b42ccbda0bc631b090b3 ]

This area is used to store keys by HSPPA in case of AM438x SOC. Leave it
active.
Signed-off-by: NKabir Sahane <x0153567@ti.com>
Signed-off-by: NAndrew F. Davis <afd@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>

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;
 }