[PATCH 5/5] ARM: OMAP2+: pm33xx-core: Do not Turn OFF CEFUSE as PPA may be using it

From: Andrew F. Davis
Date: Fri Mar 29 2019 - 13:53:59 EST


From: Kabir Sahane <x0153567@xxxxxx>

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>
---
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 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;
}
--
2.21.0