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MIPS: Alchemy: Convert irq.c to syscore_ops.

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Convert the PM sysdev to use syscore_ops instead.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Patchwork: https://patchwork.linux-mips.org/patch/2350/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss 2011-05-08 10:42:15 +02:00 • committed by Ralf Baechle
parent dca7587185
commit 4b5c82b5e5
1 changed files with 43 additions and 62 deletions
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105
arch/mips/alchemy/common/irq.c
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@ -30,7 +30,7 @@
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/sysdev.h> #include <linux/syscore_ops.h>
#include <asm/irq_cpu.h> #include <asm/irq_cpu.h>
#include <asm/mipsregs.h> #include <asm/mipsregs.h>
@ -585,81 +585,62 @@ void __init arch_init_irq(void)
} }
} }
struct alchemy_ic_sysdev {
struct sys_device sysdev;
void __iomem *base;
unsigned long pmdata[7];
};
static int alchemy_ic_suspend(struct sys_device *dev, pm_message_t state) static unsigned long alchemy_ic_pmdata[7 * 2];
static inline void alchemy_ic_suspend_one(void __iomem *base, unsigned long *d)
{ {
struct alchemy_ic_sysdev *icdev = d[0] = __raw_readl(base + IC_CFG0RD);
container_of(dev, struct alchemy_ic_sysdev, sysdev); 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 */
}
icdev->pmdata[0] = __raw_readl(icdev->base + IC_CFG0RD); static inline void alchemy_ic_resume_one(void __iomem *base, unsigned long *d)
icdev->pmdata[1] = __raw_readl(icdev->base + IC_CFG1RD); {
icdev->pmdata[2] = __raw_readl(icdev->base + IC_CFG2RD); ic_init(base);
icdev->pmdata[3] = __raw_readl(icdev->base + IC_SRCRD);
icdev->pmdata[4] = __raw_readl(icdev->base + IC_ASSIGNRD);
icdev->pmdata[5] = __raw_readl(icdev->base + IC_WAKERD);
icdev->pmdata[6] = __raw_readl(icdev->base + IC_MASKRD);
__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; return 0;
} }
static int alchemy_ic_resume(struct sys_device *dev) static void alchemy_ic_resume(void)
{ {
struct alchemy_ic_sysdev *icdev = alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR),
container_of(dev, struct alchemy_ic_sysdev, sysdev); &alchemy_ic_pmdata[7]);
alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR),
ic_init(icdev->base); alchemy_ic_pmdata);
__raw_writel(icdev->pmdata[0], icdev->base + IC_CFG0SET);
__raw_writel(icdev->pmdata[1], icdev->base + IC_CFG1SET);
__raw_writel(icdev->pmdata[2], icdev->base + IC_CFG2SET);
__raw_writel(icdev->pmdata[3], icdev->base + IC_SRCSET);
__raw_writel(icdev->pmdata[4], icdev->base + IC_ASSIGNSET);
__raw_writel(icdev->pmdata[5], icdev->base + IC_WAKESET);
wmb();
__raw_writel(icdev->pmdata[6], icdev->base + IC_MASKSET);
wmb();
return 0;
} }
static struct sysdev_class alchemy_ic_sysdev_class = { static struct syscore_ops alchemy_ic_syscore_ops = {
.name = "ic",
.suspend = alchemy_ic_suspend, .suspend = alchemy_ic_suspend,
.resume = alchemy_ic_resume, .resume = alchemy_ic_resume,
}; };
static int __init alchemy_ic_sysdev_init(void) static int __init alchemy_ic_pm_init(void)
{ {
struct alchemy_ic_sysdev *icdev; register_syscore_ops(&alchemy_ic_syscore_ops);
unsigned long icbase[2] = { AU1000_IC0_PHYS_ADDR, AU1000_IC1_PHYS_ADDR };
int err, i;
err = sysdev_class_register(&alchemy_ic_sysdev_class);
if (err)
return err;
for (i = 0; i < 2; i++) {
icdev = kzalloc(sizeof(struct alchemy_ic_sysdev), GFP_KERNEL);
if (!icdev)
return -ENOMEM;
icdev->base = ioremap(icbase[i], 0x1000);
icdev->sysdev.id = i;
icdev->sysdev.cls = &alchemy_ic_sysdev_class;
err = sysdev_register(&icdev->sysdev);
if (err) {
kfree(icdev);
return err;
}
}
return 0; return 0;
} }
device_initcall(alchemy_ic_sysdev_init); device_initcall(alchemy_ic_pm_init);