diff options
Diffstat (limited to 'arch/sparc/kernel/apc.c')
| -rw-r--r-- | arch/sparc/kernel/apc.c | 64 |
1 files changed, 26 insertions, 38 deletions
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index 9c115823c4b..eefda32b595 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -10,16 +10,17 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/miscdevice.h> -#include <linux/smp_lock.h> #include <linux/pm.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/module.h> #include <asm/io.h> #include <asm/oplib.h> #include <asm/uaccess.h> #include <asm/auxio.h> #include <asm/apc.h> +#include <asm/processor.h> /* Debugging * @@ -31,7 +32,7 @@ #define APC_DEVNAME "apc" static u8 __iomem *regs; -static int apc_no_idle __devinitdata = 0; +static int apc_no_idle = 0; #define apc_readb(offs) (sbus_readb(regs+offs)) #define apc_writeb(val, offs) (sbus_writeb(val, regs+offs)) @@ -69,14 +70,13 @@ static void apc_swift_idle(void) #endif } -static inline void apc_free(struct of_device *op) +static inline void apc_free(struct platform_device *op) { of_iounmap(&op->resource[0], regs, resource_size(&op->resource[0])); } static int apc_open(struct inode *inode, struct file *f) { - cycle_kernel_lock(); return 0; } @@ -87,61 +87,46 @@ static int apc_release(struct inode *inode, struct file *f) static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg) { - __u8 inarg, __user *arg; - - arg = (__u8 __user *) __arg; - - lock_kernel(); + __u8 inarg, __user *arg = (__u8 __user *) __arg; switch (cmd) { case APCIOCGFANCTL: - if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg)) { - unlock_kernel(); + if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg)) return -EFAULT; - } break; case APCIOCGCPWR: - if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg)) { - unlock_kernel(); + if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg)) return -EFAULT; - } break; case APCIOCGBPORT: - if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg)) { - unlock_kernel(); + if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg)) return -EFAULT; - } break; case APCIOCSFANCTL: - if (get_user(inarg, arg)) { - unlock_kernel(); + if (get_user(inarg, arg)) return -EFAULT; - } apc_writeb(inarg & APC_REGMASK, APC_FANCTL_REG); break; + case APCIOCSCPWR: - if (get_user(inarg, arg)) { - unlock_kernel(); + if (get_user(inarg, arg)) return -EFAULT; - } apc_writeb(inarg & APC_REGMASK, APC_CPOWER_REG); break; + case APCIOCSBPORT: - if (get_user(inarg, arg)) { - unlock_kernel(); + if (get_user(inarg, arg)) return -EFAULT; - } apc_writeb(inarg & APC_BPMASK, APC_BPORT_REG); break; + default: - unlock_kernel(); return -EINVAL; - }; + } - unlock_kernel(); return 0; } @@ -149,12 +134,12 @@ static const struct file_operations apc_fops = { .unlocked_ioctl = apc_ioctl, .open = apc_open, .release = apc_release, + .llseek = noop_llseek, }; static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops }; -static int __devinit apc_probe(struct of_device *op, - const struct of_device_id *match) +static int apc_probe(struct platform_device *op) { int err; @@ -174,7 +159,7 @@ static int __devinit apc_probe(struct of_device *op, /* Assign power management IDLE handler */ if (!apc_no_idle) - pm_idle = apc_swift_idle; + sparc_idle = apc_swift_idle; printk(KERN_INFO "%s: power management initialized%s\n", APC_DEVNAME, apc_no_idle ? " (CPU idle disabled)" : ""); @@ -182,7 +167,7 @@ static int __devinit apc_probe(struct of_device *op, return 0; } -static struct of_device_id __initdata apc_match[] = { +static struct of_device_id apc_match[] = { { .name = APC_OBPNAME, }, @@ -190,15 +175,18 @@ static struct of_device_id __initdata apc_match[] = { }; MODULE_DEVICE_TABLE(of, apc_match); -static struct of_platform_driver apc_driver = { - .name = "apc", - .match_table = apc_match, +static struct platform_driver apc_driver = { + .driver = { + .name = "apc", + .owner = THIS_MODULE, + .of_match_table = apc_match, + }, .probe = apc_probe, }; static int __init apc_init(void) { - return of_register_driver(&apc_driver, &of_bus_type); + return platform_driver_register(&apc_driver); } /* This driver is not critical to the boot process |
