From: Tony Lindgren Date: Wed, 16 Oct 2019 14:37:06 +0000 (-0700) Subject: ARM: OMAP2+: Allow core oswr for omap4 X-Git-Tag: v5.15~4959^2~1^2~3^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=caf8c87d7ff2037b502e76ce450565e9bd32a819;p=platform%2Fkernel%2Flinux-starfive.git ARM: OMAP2+: Allow core oswr for omap4 Commit f74297dd9354 ("ARM: OMAP2+: Make sure LOGICRETSTATE bits are not cleared") disabled oswr (open switch retention) for per and core domains as various GPIO related issues were noticed if the bootloader had configured the bits for LOGICRETSTATE for per and core domains. With the recent gpio-omap fixes, mostly related to commit e6818d29ea15 ("gpio: gpio-omap: configure edge detection for level IRQs for idle wakeup"), things now behave for enabling core oswr for omap4. Cc: Merlijn Wajer Cc: Pavel Machek Cc: Sebastian Reichel Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index d54073d..5a7a949 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -128,18 +128,8 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) return 0; } - /* - * Bootloader or kexec boot may have LOGICRETSTATE cleared - * for some domains. This is the case when kexec booting from - * Android kernels that support off mode for example. - * Make sure it's set at least for core and per, otherwise - * we currently will see lost GPIO interrupts for wlcore and - * smsc911x at least if per hits retention during idle. - */ - if (!strncmp(pwrdm->name, "core", 4) - pwrdm_set_logic_retst(pwrdm, PWRDM_POWER_RET); - - if (!strncmp(pwrdm->name, "l4per", 5) + if (!strncmp(pwrdm->name, "core", 4) || + !strncmp(pwrdm->name, "l4per", 5)) pwrdm_set_logic_retst(pwrdm, PWRDM_POWER_OFF); pwrst = kmalloc(sizeof(struct power_state), GFP_ATOMIC);