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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-12 11:40:55 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-12 11:40:55 -0700 |
commit | 07104839597803ccd9b2c4f543ee4651522b4aa1 (patch) | |
tree | b3b569c955fb7abe10d1b89139c0f4a388933609 /arch/sparc/kernel/pmc.c | |
parent | 589acce53e235055806e81e330af1e8f115bfcc2 (diff) | |
parent | 56c5d900dbb8e042bfad035d18433476931d8f93 (diff) | |
download | kernel_samsung_aries-07104839597803ccd9b2c4f543ee4651522b4aa1.zip kernel_samsung_aries-07104839597803ccd9b2c4f543ee4651522b4aa1.tar.gz kernel_samsung_aries-07104839597803ccd9b2c4f543ee4651522b4aa1.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6: (180 commits)
leo: disable cursor when leaving graphics mode
cg6: disable cursor when leaving graphics mode
sparc32: sun4m interrupt mask cleanup
drivers/rtc/Kconfig: don't build rtc-cmos.o on sparc32
sparc: arch/sparc/kernel/pmc.c -- extra #include?
sparc32: Add more extensive documentation of sun4m interrupts.
sparc32: Kill irq_rcvreg from sun4m_irq.c
sparc32: Delete master_l10_limit.
sparc32: Use PROM device probing for sun4c timers.
sparc32: Use PROM device probing for sun4c interrupt register.
sparc32: Delete claim_ticker14().
sparc32: Stop calling claim_ticker14() from sun4c_irq.c
sparc32: Kill clear_profile_irq btfixup entry.
sparc32: Call sun4m_clear_profile_irq() directly from sun4m_smp.c
sparc32: Remove #if 0'd code from sun4c_irq.c
sparc32: Remove some SMP ifdefs in sun4d_irq.c
sparc32: Use PROM infrastructure for probing and mapping sun4d timers.
sparc32: Use PROM device probing for sun4m irq registers.
sparc32: Use PROM device probing for sun4m timer registers.
sparc: Fix user_regset 'n' field values.
...
Diffstat (limited to 'arch/sparc/kernel/pmc.c')
-rw-r--r-- | arch/sparc/kernel/pmc.c | 59 |
1 files changed, 28 insertions, 31 deletions
diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 7eca887..2afcfab 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -8,11 +8,11 @@ #include <linux/fs.h> #include <linux/errno.h> #include <linux/init.h> -#include <linux/miscdevice.h> #include <linux/pm.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <asm/io.h> -#include <asm/sbus.h> #include <asm/oplib.h> #include <asm/uaccess.h> #include <asm/auxio.h> @@ -23,17 +23,15 @@ * #define PMC_NO_IDLE */ -#define PMC_MINOR MISC_DYNAMIC_MINOR #define PMC_OBPNAME "SUNW,pmc" #define PMC_DEVNAME "pmc" #define PMC_IDLE_REG 0x00 #define PMC_IDLE_ON 0x01 -volatile static u8 __iomem *regs; -static int pmc_regsize; +static u8 __iomem *regs; -#define pmc_readb(offs) (sbus_readb(regs+offs)) +#define pmc_readb(offs) (sbus_readb(regs+offs)) #define pmc_writeb(val, offs) (sbus_writeb(val, regs+offs)) /* @@ -53,31 +51,11 @@ void pmc_swift_idle(void) #endif } -static inline void pmc_free(void) +static int __devinit pmc_probe(struct of_device *op, + const struct of_device_id *match) { - sbus_iounmap(regs, pmc_regsize); -} - -static int __init pmc_probe(void) -{ - struct sbus_bus *sbus = NULL; - struct sbus_dev *sdev = NULL; - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (!strcmp(sdev->prom_name, PMC_OBPNAME)) { - goto sbus_done; - } - } - } - -sbus_done: - if (!sdev) { - return -ENODEV; - } - - pmc_regsize = sdev->reg_addrs[0].reg_size; - regs = sbus_ioremap(&sdev->resource[0], 0, - pmc_regsize, PMC_OBPNAME); + regs = of_ioremap(&op->resource[0], 0, + resource_size(&op->resource[0]), PMC_OBPNAME); if (!regs) { printk(KERN_ERR "%s: unable to map registers\n", PMC_DEVNAME); return -ENODEV; @@ -92,8 +70,27 @@ sbus_done: return 0; } +static struct of_device_id __initdata pmc_match[] = { + { + .name = PMC_OBPNAME, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, pmc_match); + +static struct of_platform_driver pmc_driver = { + .name = "pmc", + .match_table = pmc_match, + .probe = pmc_probe, +}; + +static int __init pmc_init(void) +{ + return of_register_driver(&pmc_driver, &of_bus_type); +} + /* This driver is not critical to the boot process * and is easiest to ioremap when SBus is already * initialized, so we install ourselves thusly: */ -__initcall(pmc_probe); +__initcall(pmc_init); |