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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-01 18:27:08 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-01 18:27:08 -0400
commitfbae5cbb43512446ba15a3b90039cb127d22ee95 (patch)
tree29f539576bc46537d7013d0ec0f4c2082dbca278 /arch/arm/mach-omap2/powerdomain.c
parent6f888fe31dfcda4cb25018b0af3f50049fcf0b7f (diff)
parent4756f881ba303e4dada613feeacf44d26c3e35b9 (diff)
downloadlinux-fbae5cbb43512446ba15a3b90039cb127d22ee95.tar.bz2
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson: "Improved and new platform support for various SoCs: New SoC support: - Broadcom BCM23550 - Freescale i.MX7Solo - Qualcomm MDM9615 - Renesas r8a7792 Improvements: - convert clps711x to multiplatform - debug uart improvements for Atmel platforms - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram - OMAP tweaks and improvements to hwmod - OMAP support for kexec on SMP" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits) ARM: davinci: fix build break because of undeclared dm365_evm_snd_data ARM: s3c64xx: smartq: Avoid sparse warnings ARM: sti: Implement dummy L2 cache's write_sec ARM: STi: Update machine _namestr to be more generic. arm: meson: explicitly select clk drivers ARM: tango: add Suspend-to-RAM support ARM: hisi: consolidate the hisilicon machine entries ARM: tango: fix CONFIG_HOTPLUG_CPU=n build MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry MAINTAINERS: Update BCM63XX entry MAINTAINERS: Add NS2 entry MAINTAINERS: Fix nsp false-positives MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs ARM: clps711x: Switch to MULTIPLATFORM ARM: clps711x: Remove boards support ARM: clps711x: Add basic DT support ARM: clps711x: Reduce static map size ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu ARM: oxnas: Change OX810SE default driver config ...
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain.c')
-rw-r--r--arch/arm/mach-omap2/powerdomain.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index daf2753de7aa..76eb6ec5f157 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -223,7 +223,6 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused)
* @pwrdm: struct powerdomain * to operate on
* @curr_pwrst: current power state of @pwrdm
* @pwrst: power state to switch to
- * @hwsup: ptr to a bool to return whether the clkdm is hardware-supervised
*
* Determine whether the powerdomain needs to be turned on before
* attempting to switch power states. Called by
@@ -234,8 +233,7 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused)
* "Types of sleep_switch" comment above).
*/
static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm,
- u8 curr_pwrst, u8 pwrst,
- bool *hwsup)
+ u8 curr_pwrst, u8 pwrst)
{
u8 sleep_switch;
@@ -245,8 +243,7 @@ static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm,
arch_pwrdm->pwrdm_set_lowpwrstchange) {
sleep_switch = LOWPOWERSTATE_SWITCH;
} else {
- *hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]);
- clkdm_wakeup_nolock(pwrdm->pwrdm_clkdms[0]);
+ clkdm_deny_idle_nolock(pwrdm->pwrdm_clkdms[0]);
sleep_switch = FORCEWAKEUP_SWITCH;
}
} else {
@@ -260,7 +257,6 @@ static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm,
* _pwrdm_restore_clkdm_state - restore the clkdm hwsup state after pwrst change
* @pwrdm: struct powerdomain * to operate on
* @sleep_switch: return value from _pwrdm_save_clkdm_state_and_activate()
- * @hwsup: should @pwrdm's first clockdomain be set to hardware-supervised mode?
*
* Restore the clockdomain state perturbed by
* _pwrdm_save_clkdm_state_and_activate(), and call the power state
@@ -271,14 +267,11 @@ static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm,
* software-supervised sleep. No return value.
*/
static void _pwrdm_restore_clkdm_state(struct powerdomain *pwrdm,
- u8 sleep_switch, bool hwsup)
+ u8 sleep_switch)
{
switch (sleep_switch) {
case FORCEWAKEUP_SWITCH:
- if (hwsup)
- clkdm_allow_idle_nolock(pwrdm->pwrdm_clkdms[0]);
- else
- clkdm_sleep_nolock(pwrdm->pwrdm_clkdms[0]);
+ clkdm_allow_idle_nolock(pwrdm->pwrdm_clkdms[0]);
break;
case LOWPOWERSTATE_SWITCH:
if (pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE &&
@@ -1093,7 +1086,6 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
u8 next_pwrst, sleep_switch;
int curr_pwrst;
int ret = 0;
- bool hwsup = false;
if (!pwrdm || IS_ERR(pwrdm))
return -EINVAL;
@@ -1117,14 +1109,14 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
goto osps_out;
sleep_switch = _pwrdm_save_clkdm_state_and_activate(pwrdm, curr_pwrst,
- pwrst, &hwsup);
+ pwrst);
ret = pwrdm_set_next_pwrst(pwrdm, pwrst);
if (ret)
pr_err("%s: unable to set power state of powerdomain: %s\n",
__func__, pwrdm->name);
- _pwrdm_restore_clkdm_state(pwrdm, sleep_switch, hwsup);
+ _pwrdm_restore_clkdm_state(pwrdm, sleep_switch);
osps_out:
pwrdm_unlock(pwrdm);