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add I2C_ADDRESS pre-read,slove the bug of suspend

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This commit is contained in:
许盛飞
2012-09-28 12:03:43 +08:00
parent 2fd6222343
commit c1b7a0d946
1 changed files with 7 additions and 1 deletions
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8
arch/arm/mach-rk30/pm.c
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@@ -229,6 +229,12 @@ static void pm_pll_wait_lock(int pll_idx)
u32 bit = 0x10u << pll_state[pll_idx];
#endif
u32 delay = 2400000U;
dsb();
dsb();
dsb();
dsb();
dsb();
dsb();
while (delay > 0) {
if (grf_readl(GRF_SOC_STATUS0) & bit)
break;
@@ -271,7 +277,7 @@ static noinline void interface_ctr_reg_pread(void)
readl_relaxed(RK30_GRF_BASE);
readl_relaxed(RK30_DDR_PCTL_BASE);
readl_relaxed(RK30_DDR_PUBL_BASE);
readl_relaxed(RK30_I2C1_BASE);
readl_relaxed(RK30_I2C1_BASE+SZ_4K);
}
static inline bool pm_pmu_power_domain_is_on(enum pmu_power_domain pd, u32 pmu_pwrdn_st)