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yaml
---
r: 351080
b: refs/heads/master
c: 36ce8d4
h: refs/heads/master
v: v3
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Daniel Lezcano authored and Len Brown committed Feb 8, 2013
1 parent 094ac2d commit 439e483
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Showing 2 changed files with 3 additions and 32 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8d60143a2367616a9d4f7c11656ade8521eb1874
refs/heads/master: 36ce8d4f5fecc20c2dfb08f24fe01c5eb81f6245
33 changes: 2 additions & 31 deletions trunk/arch/arm/mach-davinci/cpuidle.c
Original file line number Diff line number Diff line change
Expand Up @@ -25,12 +25,6 @@

#define DAVINCI_CPUIDLE_MAX_STATES 2

struct davinci_ops {
void (*enter) (void);
void (*exit) (void);
u32 flags;
};

static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device);
static void __iomem *ddr2_reg_base;
static bool ddr2_pdown;
Expand All @@ -54,39 +48,17 @@ static void davinci_save_ddr_power(int enter, bool pdown)
__raw_writel(val, ddr2_reg_base + DDR2_SDRCR_OFFSET);
}

static void davinci_c2state_enter(void)
{
davinci_save_ddr_power(1, ddr2_pdown);
}

static void davinci_c2state_exit(void)
{
davinci_save_ddr_power(0, ddr2_pdown);
}

static struct davinci_ops davinci_states[DAVINCI_CPUIDLE_MAX_STATES] = {
[1] = {
.enter = davinci_c2state_enter,
.exit = davinci_c2state_exit,
},
};

/* Actual code that puts the SoC in different idle states */
static int davinci_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
struct cpuidle_state_usage *state_usage = &dev->states_usage[index];
struct davinci_ops *ops = cpuidle_get_statedata(state_usage);

if (ops && ops->enter)
ops->enter();
davinci_save_ddr_power(1, ddr2_pdown);

index = cpuidle_wrap_enter(dev, drv, index,
arm_cpuidle_simple_enter);

if (ops && ops->exit)
ops->exit();
davinci_save_ddr_power(0, ddr2_pdown);

return index;
}
Expand Down Expand Up @@ -123,7 +95,6 @@ static int __init davinci_cpuidle_probe(struct platform_device *pdev)
ddr2_reg_base = pdata->ddr2_ctlr_base;

ddr2_pdown = pdata->ddr2_pdown;
cpuidle_set_statedata(&device->states_usage[1], &davinci_states[1]);

device->state_count = DAVINCI_CPUIDLE_MAX_STATES;

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