ARM: imx: Use INT_MEM_CLK_LPM as the bit name
Bit 17 of register CCM_CGPR is called INT_MEM_CLK_LPM as per the mx6 reference manual, so use this name instead. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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@ -139,7 +139,7 @@ void imx_anatop_init(void);
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void imx_anatop_pre_suspend(void);
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void imx_anatop_pre_suspend(void);
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void imx_anatop_post_resume(void);
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void imx_anatop_post_resume(void);
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int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
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int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
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void imx6q_set_chicken_bit(void);
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void imx6q_set_int_mem_clk_lpm(void);
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void imx_cpu_die(unsigned int cpu);
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void imx_cpu_die(unsigned int cpu);
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int imx_cpu_kill(unsigned int cpu);
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int imx_cpu_kill(unsigned int cpu);
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@ -68,8 +68,8 @@ int __init imx6q_cpuidle_init(void)
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/* Need to enable SCU standby for entering WAIT modes */
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/* Need to enable SCU standby for entering WAIT modes */
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imx_scu_standby_enable();
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imx_scu_standby_enable();
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/* Set chicken bit to get a reliable WAIT mode support */
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/* Set INT_MEM_CLK_LPM bit to get a reliable WAIT mode support */
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imx6q_set_chicken_bit();
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imx6q_set_int_mem_clk_lpm();
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return cpuidle_register(&imx6q_cpuidle_driver, NULL);
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return cpuidle_register(&imx6q_cpuidle_driver, NULL);
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}
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}
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@ -56,15 +56,15 @@
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#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
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#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
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#define CGPR 0x64
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#define CGPR 0x64
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#define BM_CGPR_CHICKEN_BIT (0x1 << 17)
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#define BM_CGPR_INT_MEM_CLK_LPM (0x1 << 17)
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static void __iomem *ccm_base;
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static void __iomem *ccm_base;
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void imx6q_set_chicken_bit(void)
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void imx6q_set_int_mem_clk_lpm(void)
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{
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{
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u32 val = readl_relaxed(ccm_base + CGPR);
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u32 val = readl_relaxed(ccm_base + CGPR);
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val |= BM_CGPR_CHICKEN_BIT;
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val |= BM_CGPR_INT_MEM_CLK_LPM;
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writel_relaxed(val, ccm_base + CGPR);
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writel_relaxed(val, ccm_base + CGPR);
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}
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}
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