[5/5] ARM: OMAP2+: pm33xx-core: Do not Turn OFF CEFUSE as PPA may be using it
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Message ID 20190329175336.19824-5-afd@ti.com
State New
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Series
  • [1/5] ARM: dts: am43xx-epos-evm: Keep DCDC5 and DCDC6 always on
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Commit Message

Andrew F. Davis March 29, 2019, 5:53 p.m. UTC
From: Kabir Sahane <x0153567@ti.com>

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

Signed-off-by: Kabir Sahane <x0153567@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
---
 arch/arm/mach-omap2/pm33xx-core.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Patch
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diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c
index 724cf5774a6c..c93b6efd565f 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;
 }