projects / thirdparty / kernel / stable-queue.git / blame
| Commit | Line | Data |
|---|---|---|
| 37554d48 SL |
1 | From fb4c9de4016dba651888db475fca03eff3423b73 Mon Sep 17 00:00:00 2001 |
| 2 | From: Kabir Sahane <x0153567@ti.com> | |
| 3 | Date: Tue, 9 Apr 2019 08:05:17 -0700 | |
| 4 | Subject: ARM: OMAP2+: pm33xx-core: Do not Turn OFF CEFUSE as PPA may be using | |
| 5 | it | |
| 6 | ||
| 7 | [ Upstream commit 72aff4ecf1cb85a3c6e6b42ccbda0bc631b090b3 ] | |
| 8 | ||
| 9 | This area is used to store keys by HSPPA in case of AM438x SOC. Leave it | |
| 10 | active. | |
| 11 | ||
| 12 | Signed-off-by: Kabir Sahane <x0153567@ti.com> | |
| 13 | Signed-off-by: Andrew F. Davis <afd@ti.com> | |
| 14 | Signed-off-by: Tony Lindgren <tony@atomide.com> | |
| 15 | Signed-off-by: Sasha Levin <sashal@kernel.org> | |
| 16 | --- | |
| 17 | arch/arm/mach-omap2/pm33xx-core.c | 8 +++++--- | |
| 18 | 1 file changed, 5 insertions(+), 3 deletions(-) | |
| 19 | ||
| 20 | diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c | |
| 21 | index f4971e4a86b2..ca7026958d42 100644 | |
| 22 | --- a/arch/arm/mach-omap2/pm33xx-core.c | |
| 23 | +++ b/arch/arm/mach-omap2/pm33xx-core.c | |
| 24 | @@ -51,10 +51,12 @@ static int amx3_common_init(void) | |
| 25 | ||
| 26 | /* CEFUSE domain can be turned off post bootup */ | |
| 27 | cefuse_pwrdm = pwrdm_lookup("cefuse_pwrdm"); | |
| 28 | - if (cefuse_pwrdm) | |
| 29 | - omap_set_pwrdm_state(cefuse_pwrdm, PWRDM_POWER_OFF); | |
| 30 | - else | |
| 31 | + if (!cefuse_pwrdm) | |
| 32 | pr_err("PM: Failed to get cefuse_pwrdm\n"); | |
| 33 | + else if (omap_type() != OMAP2_DEVICE_TYPE_GP) | |
| 34 | + pr_info("PM: Leaving EFUSE power domain active\n"); | |
| 35 | + else | |
| 36 | + omap_set_pwrdm_state(cefuse_pwrdm, PWRDM_POWER_OFF); | |
| 37 | ||
| 38 | return 0; | |
| 39 | } | |
| 40 | -- | |
| 41 | 2.20.1 | |
| 42 |