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authorDaniel Lezcano <daniel.lezcano@linaro.org>2013-02-04 07:01:41 -0500
committerLen Brown <len.brown@intel.com>2013-02-08 18:31:16 -0500
commit5af4a21c6efd270a334202fb1fc4a347ea4624e3 (patch)
treef05851b12ef31af36976cc55f0dcfddaad977234 /arch/arm/mach-davinci
parent88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff)
Replace the flag by a simple global boolean in the cpuidle.c.
That will allow to cleanup the rest of the code right after, because the ops won't make sense. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/cpuidle.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index 9107691adbdb..5fbd470d46ca 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -26,8 +26,8 @@
26#define DAVINCI_CPUIDLE_MAX_STATES 2 26#define DAVINCI_CPUIDLE_MAX_STATES 2
27 27
28struct davinci_ops { 28struct davinci_ops {
29 void (*enter) (u32 flags); 29 void (*enter) (void);
30 void (*exit) (u32 flags); 30 void (*exit) (void);
31 u32 flags; 31 u32 flags;
32}; 32};
33 33
@@ -40,20 +40,17 @@ static int davinci_enter_idle(struct cpuidle_device *dev,
40 struct davinci_ops *ops = cpuidle_get_statedata(state_usage); 40 struct davinci_ops *ops = cpuidle_get_statedata(state_usage);
41 41
42 if (ops && ops->enter) 42 if (ops && ops->enter)
43 ops->enter(ops->flags); 43 ops->enter();
44 44
45 index = cpuidle_wrap_enter(dev, drv, index, 45 index = cpuidle_wrap_enter(dev, drv, index,
46 arm_cpuidle_simple_enter); 46 arm_cpuidle_simple_enter);
47 47
48 if (ops && ops->exit) 48 if (ops && ops->exit)
49 ops->exit(ops->flags); 49 ops->exit();
50 50
51 return index; 51 return index;
52} 52}
53 53
54/* fields in davinci_ops.flags */
55#define DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN BIT(0)
56
57static struct cpuidle_driver davinci_idle_driver = { 54static struct cpuidle_driver davinci_idle_driver = {
58 .name = "cpuidle-davinci", 55 .name = "cpuidle-davinci",
59 .owner = THIS_MODULE, 56 .owner = THIS_MODULE,
@@ -72,6 +69,7 @@ static struct cpuidle_driver davinci_idle_driver = {
72 69
73static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device); 70static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device);
74static void __iomem *ddr2_reg_base; 71static void __iomem *ddr2_reg_base;
72static bool ddr2_pdown;
75 73
76static void davinci_save_ddr_power(int enter, bool pdown) 74static void davinci_save_ddr_power(int enter, bool pdown)
77{ 75{
@@ -92,14 +90,14 @@ static void davinci_save_ddr_power(int enter, bool pdown)
92 __raw_writel(val, ddr2_reg_base + DDR2_SDRCR_OFFSET); 90 __raw_writel(val, ddr2_reg_base + DDR2_SDRCR_OFFSET);
93} 91}
94 92
95static void davinci_c2state_enter(u32 flags) 93static void davinci_c2state_enter(void)
96{ 94{
97 davinci_save_ddr_power(1, !!(flags & DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN)); 95 davinci_save_ddr_power(1, ddr2_pdown);
98} 96}
99 97
100static void davinci_c2state_exit(u32 flags) 98static void davinci_c2state_exit(void)
101{ 99{
102 davinci_save_ddr_power(0, !!(flags & DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN)); 100 davinci_save_ddr_power(0, ddr2_pdown);
103} 101}
104 102
105static struct davinci_ops davinci_states[DAVINCI_CPUIDLE_MAX_STATES] = { 103static struct davinci_ops davinci_states[DAVINCI_CPUIDLE_MAX_STATES] = {
@@ -124,8 +122,7 @@ static int __init davinci_cpuidle_probe(struct platform_device *pdev)
124 122
125 ddr2_reg_base = pdata->ddr2_ctlr_base; 123 ddr2_reg_base = pdata->ddr2_ctlr_base;
126 124
127 if (pdata->ddr2_pdown) 125 ddr2_pdown = pdata->ddr2_pdown;
128 davinci_states[1].flags |= DAVINCI_CPUIDLE_FLAGS_DDR2_PWDN;
129 cpuidle_set_statedata(&device->states_usage[1], &davinci_states[1]); 126 cpuidle_set_statedata(&device->states_usage[1], &davinci_states[1]);
130 127
131 device->state_count = DAVINCI_CPUIDLE_MAX_STATES; 128 device->state_count = DAVINCI_CPUIDLE_MAX_STATES;