From 906766df63cdbd9cc5af548ea8ee0ac44e3abc1f Mon Sep 17 00:00:00 2001 From: Manuel Lauss Date: Thu, 10 Nov 2011 20:09:36 +0100 Subject: [PATCH] MIPS: Alchemy: irq: register pm at irq init time No need for a device_initcall. Signed-off-by: Manuel Lauss Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2934/ Signed-off-by: Ralf Baechle --- arch/mips/alchemy/common/gpioint.c | 74 ++++++++++--------- arch/mips/alchemy/common/irq.c | 113 ++++++++++++++--------------- 2 files changed, 91 insertions(+), 96 deletions(-) diff --git a/arch/mips/alchemy/common/gpioint.c b/arch/mips/alchemy/common/gpioint.c index b8cd3364ff69..5d7729a59908 100644 --- a/arch/mips/alchemy/common/gpioint.c +++ b/arch/mips/alchemy/common/gpioint.c @@ -278,41 +278,7 @@ static int au1300_gpic_settype(struct irq_data *d, unsigned int type) return 0; } -static void __init alchemy_gpic_init_irq(const struct gpic_devint_data *dints) -{ - int i; - void __iomem *bank_base; - - mips_cpu_irq_init(); - - /* disable & ack all possible interrupt sources */ - for (i = 0; i < 4; i++) { - bank_base = AU1300_GPIC_ADDR + (i * 4); - __raw_writel(~0UL, bank_base + AU1300_GPIC_IDIS); - wmb(); - __raw_writel(~0UL, bank_base + AU1300_GPIC_IPEND); - wmb(); - } - - /* register an irq_chip for them, with 2nd highest priority */ - for (i = ALCHEMY_GPIC_INT_BASE; i <= ALCHEMY_GPIC_INT_LAST; i++) { - au1300_set_irq_priority(i, 1); - au1300_gpic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE); - } - - /* setup known on-chip sources */ - while ((i = dints->irq) != -1) { - au1300_gpic_settype(irq_get_irq_data(i), dints->type); - au1300_set_irq_priority(i, dints->prio); - - if (dints->internal) - au1300_pinfunc_to_dev(i - ALCHEMY_GPIC_INT_BASE); - - dints++; - } - - set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3); -} +/******************************************************************************/ static unsigned long alchemy_gpic_pmdata[ALCHEMY_GPIC_INT_NUM + 6]; @@ -383,6 +349,43 @@ static struct syscore_ops alchemy_gpic_pmops = { .resume = alchemy_gpic_resume, }; +static void __init alchemy_gpic_init_irq(const struct gpic_devint_data *dints) +{ + int i; + void __iomem *bank_base; + + register_syscore_ops(&alchemy_gpic_pmops); + mips_cpu_irq_init(); + + /* disable & ack all possible interrupt sources */ + for (i = 0; i < 4; i++) { + bank_base = AU1300_GPIC_ADDR + (i * 4); + __raw_writel(~0UL, bank_base + AU1300_GPIC_IDIS); + wmb(); + __raw_writel(~0UL, bank_base + AU1300_GPIC_IPEND); + wmb(); + } + + /* register an irq_chip for them, with 2nd highest priority */ + for (i = ALCHEMY_GPIC_INT_BASE; i <= ALCHEMY_GPIC_INT_LAST; i++) { + au1300_set_irq_priority(i, 1); + au1300_gpic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE); + } + + /* setup known on-chip sources */ + while ((i = dints->irq) != -1) { + au1300_gpic_settype(irq_get_irq_data(i), dints->type); + au1300_set_irq_priority(i, dints->prio); + + if (dints->internal) + au1300_pinfunc_to_dev(i - ALCHEMY_GPIC_INT_BASE); + + dints++; + } + + set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3); +} + /**********************************************************************/ void __init arch_init_irq(void) @@ -390,7 +393,6 @@ void __init arch_init_irq(void) switch (alchemy_get_cputype()) { case ALCHEMY_CPU_AU1300: alchemy_gpic_init_irq(&au1300_devints[0]); - register_syscore_ops(&alchemy_gpic_pmops); break; } } diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index 2a94a64b7333..f206e24961c5 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -510,6 +510,58 @@ static inline void ic_init(void __iomem *base) wmb(); } +static unsigned long alchemy_ic_pmdata[7 * 2]; + +static inline void alchemy_ic_suspend_one(void __iomem *base, unsigned long *d) +{ + d[0] = __raw_readl(base + IC_CFG0RD); + d[1] = __raw_readl(base + IC_CFG1RD); + d[2] = __raw_readl(base + IC_CFG2RD); + d[3] = __raw_readl(base + IC_SRCRD); + d[4] = __raw_readl(base + IC_ASSIGNRD); + d[5] = __raw_readl(base + IC_WAKERD); + d[6] = __raw_readl(base + IC_MASKRD); + ic_init(base); /* shut it up too while at it */ +} + +static inline void alchemy_ic_resume_one(void __iomem *base, unsigned long *d) +{ + ic_init(base); + + __raw_writel(d[0], base + IC_CFG0SET); + __raw_writel(d[1], base + IC_CFG1SET); + __raw_writel(d[2], base + IC_CFG2SET); + __raw_writel(d[3], base + IC_SRCSET); + __raw_writel(d[4], base + IC_ASSIGNSET); + __raw_writel(d[5], base + IC_WAKESET); + wmb(); + + __raw_writel(d[6], base + IC_MASKSET); + wmb(); +} + +static int alchemy_ic_suspend(void) +{ + alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), + alchemy_ic_pmdata); + alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), + &alchemy_ic_pmdata[7]); + return 0; +} + +static void alchemy_ic_resume(void) +{ + alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), + &alchemy_ic_pmdata[7]); + alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), + alchemy_ic_pmdata); +} + +static struct syscore_ops alchemy_ic_syscore_ops = { + .suspend = alchemy_ic_suspend, + .resume = alchemy_ic_resume, +}; + static void __init au1000_init_irq(struct au1xxx_irqmap *map) { unsigned int bit, irq_nr; @@ -517,6 +569,7 @@ static void __init au1000_init_irq(struct au1xxx_irqmap *map) ic_init((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR)); ic_init((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR)); + register_syscore_ops(&alchemy_ic_syscore_ops); mips_cpu_irq_init(); /* register all 64 possible IC0+IC1 irq sources as type "none". @@ -573,63 +626,3 @@ void __init arch_init_irq(void) break; } } - - -static unsigned long alchemy_ic_pmdata[7 * 2]; - -static inline void alchemy_ic_suspend_one(void __iomem *base, unsigned long *d) -{ - d[0] = __raw_readl(base + IC_CFG0RD); - d[1] = __raw_readl(base + IC_CFG1RD); - d[2] = __raw_readl(base + IC_CFG2RD); - d[3] = __raw_readl(base + IC_SRCRD); - d[4] = __raw_readl(base + IC_ASSIGNRD); - d[5] = __raw_readl(base + IC_WAKERD); - d[6] = __raw_readl(base + IC_MASKRD); - ic_init(base); /* shut it up too while at it */ -} - -static inline void alchemy_ic_resume_one(void __iomem *base, unsigned long *d) -{ - ic_init(base); - - __raw_writel(d[0], base + IC_CFG0SET); - __raw_writel(d[1], base + IC_CFG1SET); - __raw_writel(d[2], base + IC_CFG2SET); - __raw_writel(d[3], base + IC_SRCSET); - __raw_writel(d[4], base + IC_ASSIGNSET); - __raw_writel(d[5], base + IC_WAKESET); - wmb(); - - __raw_writel(d[6], base + IC_MASKSET); - wmb(); -} - -static int alchemy_ic_suspend(void) -{ - alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), - alchemy_ic_pmdata); - alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), - &alchemy_ic_pmdata[7]); - return 0; -} - -static void alchemy_ic_resume(void) -{ - alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), - &alchemy_ic_pmdata[7]); - alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), - alchemy_ic_pmdata); -} - -static struct syscore_ops alchemy_ic_syscore_ops = { - .suspend = alchemy_ic_suspend, - .resume = alchemy_ic_resume, -}; - -static int __init alchemy_ic_pm_init(void) -{ - register_syscore_ops(&alchemy_ic_syscore_ops); - return 0; -} -device_initcall(alchemy_ic_pm_init); -- 2.39.5