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authorPaul Walmsley <paul@pwsan.com>2013-01-26 08:58:13 +0100
committerPaul Walmsley <paul@pwsan.com>2013-01-29 22:59:56 +0100
commit32d174ed1bd793e9be578914cce6b1e45c36843e (patch)
tree8e86bbdbd365e0aa57fbeea3de3cdc29852baf79 /arch/arm/mach-omap2/omap-mpuss-lowpower.c
parentARM: OMAP3xxx: CPUIdle: optimize __omap3_enter_idle() (diff)
downloadlinux-32d174ed1bd793e9be578914cce6b1e45c36843e.tar.xz
linux-32d174ed1bd793e9be578914cce6b1e45c36843e.zip
ARM: OMAP4: MPUSS PM: remove unnecessary shim functions for powerdomain control
The OMAP4 MPU subsystem power management code contains several unnecessary shim functions for powerdomain control; remove them. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap-mpuss-lowpower.c')
-rw-r--r--arch/arm/mach-omap2/omap-mpuss-lowpower.c44
1 files changed, 7 insertions, 37 deletions
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index aac46bfdbeb2..8bcb64bcdcdb 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -87,37 +87,6 @@ static inline void set_cpu_wakeup_addr(unsigned int cpu_id, u32 addr)
}
/*
- * Set the CPUx powerdomain's previous power state
- */
-static inline void set_cpu_next_pwrst(unsigned int cpu_id,
- unsigned int power_state)
-{
- struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id);
-
- pwrdm_set_next_pwrst(pm_info->pwrdm, power_state);
-}
-
-/*
- * Read CPU's previous power state
- */
-static inline unsigned int read_cpu_prev_pwrst(unsigned int cpu_id)
-{
- struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id);
-
- return pwrdm_read_prev_pwrst(pm_info->pwrdm);
-}
-
-/*
- * Clear the CPUx powerdomain's previous power state
- */
-static inline void clear_cpu_prev_pwrst(unsigned int cpu_id)
-{
- struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id);
-
- pwrdm_clear_all_prev_pwrst(pm_info->pwrdm);
-}
-
-/*
* Store the SCU power status value to scratchpad memory
*/
static void scu_pwrst_prepare(unsigned int cpu_id, unsigned int cpu_state)
@@ -230,6 +199,7 @@ static void save_l2x0_context(void)
*/
int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
{
+ struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu);
unsigned int save_state = 0;
unsigned int wakeup_cpu;
@@ -268,7 +238,7 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
save_state = 2;
cpu_clear_prev_logic_pwrst(cpu);
- set_cpu_next_pwrst(cpu, power_state);
+ pwrdm_set_next_pwrst(pm_info->pwrdm, power_state);
set_cpu_wakeup_addr(cpu, virt_to_phys(omap4_cpu_resume));
scu_pwrst_prepare(cpu, power_state);
l2x0_pwrst_prepare(cpu, save_state);
@@ -286,7 +256,7 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
* domain transition
*/
wakeup_cpu = smp_processor_id();
- set_cpu_next_pwrst(wakeup_cpu, PWRDM_POWER_ON);
+ pwrdm_set_next_pwrst(pm_info->pwrdm, PWRDM_POWER_ON);
pwrdm_post_transition(NULL);
@@ -300,8 +270,8 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state)
*/
int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
{
- unsigned int cpu_state = 0;
struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu);
+ unsigned int cpu_state = 0;
if (omap_rev() == OMAP4430_REV_ES1_0)
return -ENXIO;
@@ -309,8 +279,8 @@ int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
if (power_state == PWRDM_POWER_OFF)
cpu_state = 1;
- clear_cpu_prev_pwrst(cpu);
- set_cpu_next_pwrst(cpu, power_state);
+ pwrdm_clear_all_prev_pwrst(pm_info->pwrdm);
+ pwrdm_set_next_pwrst(pm_info->pwrdm, power_state);
set_cpu_wakeup_addr(cpu, virt_to_phys(pm_info->secondary_startup));
scu_pwrst_prepare(cpu, power_state);
@@ -321,7 +291,7 @@ int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
*/
omap4_finish_suspend(cpu_state);
- set_cpu_next_pwrst(cpu, PWRDM_POWER_ON);
+ pwrdm_set_next_pwrst(pm_info->pwrdm, PWRDM_POWER_ON);
return 0;
}