Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

10 files changed, 184 insertions, 535 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 6537445dac0e..3cfb8be3ff6d 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -201,6 +201,14 @@ config SUN_OPENPROMFS
 	  Only choose N if you know in advance that you will not need to modify
 	  OpenPROM settings on the running system.
 
+config SPARC_LED
+	tristate "Sun4m LED driver"
+	help
+	  This driver toggles the front-panel LED on sun4m systems
+	  in a user-specifyable manner.  It's state can be probed
+	  by reading /proc/led and it's blinking mode can be changed
+	  via writes to /proc/led
+
 source "fs/Kconfig.binfmt"
 
 config SUNOS_EMUL
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 3d22ba2af01c..1b83e21841b5 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_SUN_AUXIO) += auxio.o
 obj-$(CONFIG_PCI) += ebus.o
 obj-$(CONFIG_SUN_PM) += apc.o pmc.o
 obj-$(CONFIG_MODULES) += module.o sparc_ksyms.o
+obj-$(CONFIG_SPARC_LED) += led.o
 
 ifdef CONFIG_SUNOS_EMUL
 obj-y += sys_sunos.o sunos_ioctl.o
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
new file mode 100644
index 000000000000..2a3afca453c9
--- /dev/null
+++ b/arch/sparc/kernel/led.c
@@ -0,0 +1,139 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+
+#include <asm/auxio.h>
+
+#define LED_MAX_LENGTH 8 /* maximum chars written to proc file */
+
+static inline void led_toggle(void)
+{
+	unsigned char val = get_auxio();
+	unsigned char on, off;
+
+	if (val & AUXIO_LED) {
+		on = 0;
+		off = AUXIO_LED;
+	} else {
+		on = AUXIO_LED;
+		off = 0;
+	}
+
+	set_auxio(on, off);
+}
+
+static struct timer_list led_blink_timer;
+
+static void led_blink(unsigned long timeout)
+{
+	led_toggle();
+
+	/* reschedule */
+	if (!timeout) { /* blink according to load */
+		led_blink_timer.expires = jiffies +
+			((1 + (avenrun[0] >> FSHIFT)) * HZ);
+		led_blink_timer.data = 0;
+	} else { /* blink at user specified interval */
+		led_blink_timer.expires = jiffies + (timeout * HZ);
+		led_blink_timer.data = timeout;
+	}
+	add_timer(&led_blink_timer);
+}
+
+static int led_read_proc(char *buf, char **start, off_t offset, int count,
+			 int *eof, void *data)
+{
+	int len = 0;
+
+	if (get_auxio() & AUXIO_LED)
+		len = sprintf(buf, "on\n");
+	else
+		len = sprintf(buf, "off\n");
+
+	return len;
+}
+
+static int led_write_proc(struct file *file, const char *buffer,
+			  unsigned long count, void *data)
+{
+	char *buf = NULL;
+
+	if (count > LED_MAX_LENGTH)
+		count = LED_MAX_LENGTH;
+
+	buf = kmalloc(sizeof(char) * (count + 1), GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	if (copy_from_user(buf, buffer, count)) {
+		kfree(buf);
+		return -EFAULT;
+	}
+
+	buf[count] = '\0';
+
+	/* work around \n when echo'ing into proc */
+	if (buf[count - 1] == '\n')
+		buf[count - 1] = '\0';
+
+	/* before we change anything we want to stop any running timers,
+	 * otherwise calls such as on will have no persistent effect
+	 */
+	del_timer_sync(&led_blink_timer);
+
+	if (!strcmp(buf, "on")) {
+		auxio_set_led(AUXIO_LED_ON);
+	} else if (!strcmp(buf, "toggle")) {
+		led_toggle();
+	} else if ((*buf > '0') && (*buf <= '9')) {
+		led_blink(simple_strtoul(buf, NULL, 10));
+	} else if (!strcmp(buf, "load")) {
+		led_blink(0);
+	} else {
+		auxio_set_led(AUXIO_LED_OFF);
+	}
+
+	kfree(buf);
+
+	return count;
+}
+
+static struct proc_dir_entry *led;
+
+#define LED_VERSION	"0.1"
+
+static int __init led_init(void)
+{
+	init_timer(&led_blink_timer);
+	led_blink_timer.function = led_blink;
+
+	led = create_proc_entry("led", 0, NULL);
+	if (!led)
+		return -ENOMEM;
+
+	led->read_proc = led_read_proc; /* reader function */
+	led->write_proc = led_write_proc; /* writer function */
+	led->owner = THIS_MODULE;
+
+	printk(KERN_INFO
+	       "led: version %s, Lars Kotthoff <metalhead@metalhead.ws>\n",
+	       LED_VERSION);
+
+	return 0;
+}
+
+static void __exit led_exit(void)
+{
+	remove_proc_entry("led", NULL);
+	del_timer_sync(&led_blink_timer);
+}
+
+module_init(led_init);
+module_exit(led_exit);
+
+MODULE_AUTHOR("Lars Kotthoff <metalhead@metalhead.ws>");
+MODULE_DESCRIPTION("Provides control of the front LED on SPARC systems.");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(LED_VERSION);
diff --git a/arch/sparc/kernel/sunos_ioctl.c b/arch/sparc/kernel/sunos_ioctl.c
index df1c0b31a930..a6ba3d26222c 100644
--- a/arch/sparc/kernel/sunos_ioctl.c
+++ b/arch/sparc/kernel/sunos_ioctl.c
@@ -23,7 +23,6 @@
 #include <linux/smp_lock.h>
 #include <linux/syscalls.h>
 #include <linux/file.h>
-#include <asm/kbio.h>
 
 #if 0
 extern char sunkbd_type;
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
index e6a00325075a..92e26304de90 100644
--- a/arch/sparc64/kernel/ioctl32.c
+++ b/arch/sparc64/kernel/ioctl32.c
@@ -11,33 +11,14 @@
 
 #define INCLUDES
 #include "compat_ioctl.c"
-#include <linux/ncp_fs.h>
 #include <linux/syscalls.h>
 #include <asm/fbio.h>
-#include <asm/kbio.h>
-#include <asm/vuid_event.h>
-#include <asm/envctrl.h>
-#include <asm/display7seg.h>
-#include <asm/openpromio.h>
-#include <asm/audioio.h>
-#include <asm/watchdog.h>
 
 /* Use this to get at 32-bit user passed pointers. 
  * See sys_sparc32.c for description about it.
  */
 #define A(__x) compat_ptr(__x)
 
-static __inline__ void *alloc_user_space(long len)
-{
-	struct pt_regs *regs = current_thread_info()->kregs;
-	unsigned long usp = regs->u_regs[UREG_I6];
-
-	if (!(test_thread_flag(TIF_32BIT)))
-		usp += STACK_BIAS;
-
-	return (void *) (usp - len);
-}
-
 #define CODE
 #include "compat_ioctl.c"
 
@@ -111,357 +92,6 @@ static int fbiogscursor(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return sys_ioctl (fd, FBIOSCURSOR, (unsigned long)p);
 }
 
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-/* This really belongs in include/linux/drm.h -DaveM */
-#include "../../../drivers/char/drm/drm.h"
-
-typedef struct drm32_version {
-	int    version_major;	  /* Major version			    */
-	int    version_minor;	  /* Minor version			    */
-	int    version_patchlevel;/* Patch level			    */
-	int    name_len;	  /* Length of name buffer		    */
-	u32    name;		  /* Name of driver			    */
-	int    date_len;	  /* Length of date buffer		    */
-	u32    date;		  /* User-space buffer to hold date	    */
-	int    desc_len;	  /* Length of desc buffer		    */
-	u32    desc;		  /* User-space buffer to hold desc	    */
-} drm32_version_t;
-#define DRM32_IOCTL_VERSION    DRM_IOWR(0x00, drm32_version_t)
-
-static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_version_t __user *uversion = (drm32_version_t __user *)arg;
-	drm_version_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-	int ret;
-
-	if (clear_user(p, 3 * sizeof(int)) ||
-	    get_user(n, &uversion->name_len) ||
-	    put_user(n, &p->name_len) ||
-	    get_user(addr, &uversion->name) ||
-	    put_user(compat_ptr(addr), &p->name) ||
-	    get_user(n, &uversion->date_len) ||
-	    put_user(n, &p->date_len) ||
-	    get_user(addr, &uversion->date) ||
-	    put_user(compat_ptr(addr), &p->date) ||
-	    get_user(n, &uversion->desc_len) ||
-	    put_user(n, &p->desc_len) ||
-	    get_user(addr, &uversion->desc) ||
-	    put_user(compat_ptr(addr), &p->desc))
-		return -EFAULT;
-
-        ret = sys_ioctl(fd, DRM_IOCTL_VERSION, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (copy_in_user(uversion, p, 3 * sizeof(int)) ||
-	    get_user(n, &p->name_len) ||
-	    put_user(n, &uversion->name_len) ||
-	    get_user(n, &p->date_len) ||
-	    put_user(n, &uversion->date_len) ||
-	    get_user(n, &p->desc_len) ||
-	    put_user(n, &uversion->desc_len))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_unique {
-	int	unique_len;	  /* Length of unique			    */
-	u32	unique;		  /* Unique name for driver instantiation   */
-} drm32_unique_t;
-#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t)
-#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t)
-
-static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_unique_t __user *uarg = (drm32_unique_t __user *)arg;
-	drm_unique_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-	int ret;
-
-	if (get_user(n, &uarg->unique_len) ||
-	    put_user(n, &p->unique_len) ||
-	    get_user(addr, &uarg->unique) ||
-	    put_user(compat_ptr(addr), &p->unique))
-		return -EFAULT;
-
-	if (cmd == DRM32_IOCTL_GET_UNIQUE)
-		ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)p);
-	else
-		ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)p);
-
-	if (ret)
-		return ret;
-
-	if (get_user(n, &p->unique_len) || put_user(n, &uarg->unique_len))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_map {
-	u32		offset;	 /* Requested physical address (0 for SAREA)*/
-	u32		size;	 /* Requested physical size (bytes)	    */
-	drm_map_type_t	type;	 /* Type of memory to map		    */
-	drm_map_flags_t flags;	 /* Flags				    */
-	u32		handle;  /* User-space: "Handle" to pass to mmap    */
-				 /* Kernel-space: kernel-virtual address    */
-	int		mtrr;	 /* MTRR slot used			    */
-				 /* Private data			    */
-} drm32_map_t;
-#define DRM32_IOCTL_ADD_MAP    DRM_IOWR(0x15, drm32_map_t)
-
-static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_map_t __user *uarg = (drm32_map_t __user *) arg;
-	drm_map_t karg;
-	mm_segment_t old_fs;
-	u32 tmp;
-	int ret;
-
-	ret  = get_user(karg.offset, &uarg->offset);
-	ret |= get_user(karg.size, &uarg->size);
-	ret |= get_user(karg.type, &uarg->type);
-	ret |= get_user(karg.flags, &uarg->flags);
-	ret |= get_user(tmp, &uarg->handle);
-	ret |= get_user(karg.mtrr, &uarg->mtrr);
-	if (ret)
-		return -EFAULT;
-
-	karg.handle = (void *) (unsigned long) tmp;
-
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
-	ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg);
-	set_fs(old_fs);
-
-	if (!ret) {
-		ret  = put_user(karg.offset, &uarg->offset);
-		ret |= put_user(karg.size, &uarg->size);
-		ret |= put_user(karg.type, &uarg->type);
-		ret |= put_user(karg.flags, &uarg->flags);
-		tmp = (u32) (long)karg.handle;
-		ret |= put_user(tmp, &uarg->handle);
-		ret |= put_user(karg.mtrr, &uarg->mtrr);
-		if (ret)
-			ret = -EFAULT;
-	}
-
-	return ret;
-}
-
-typedef struct drm32_buf_info {
-	int	       count;	/* Entries in list			     */
-	u32	       list;    /* (drm_buf_desc_t *) */ 
-} drm32_buf_info_t;
-#define DRM32_IOCTL_INFO_BUFS  DRM_IOWR(0x18, drm32_buf_info_t)
-
-static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_buf_info_t __user *uarg = (drm32_buf_info_t __user *)arg;
-	drm_buf_info_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-	int ret;
-
-	if (get_user(n, &uarg->count) || put_user(n, &p->count) ||
-	    get_user(addr, &uarg->list) || put_user(compat_ptr(addr), &p->list))
-		return -EFAULT;
-
-	ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (get_user(n, &p->count) || put_user(n, &uarg->count))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_buf_free {
-	int	       count;
-	u32	       list;	/* (int *) */
-} drm32_buf_free_t;
-#define DRM32_IOCTL_FREE_BUFS  DRM_IOW( 0x1a, drm32_buf_free_t)
-
-static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_buf_free_t __user *uarg = (drm32_buf_free_t __user *)arg;
-	drm_buf_free_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int n;
-
-	if (get_user(n, &uarg->count) || put_user(n, &p->count) ||
-	    get_user(addr, &uarg->list) || put_user(compat_ptr(addr), &p->list))
-		return -EFAULT;
-
-	return sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long)p);
-}
-
-typedef struct drm32_buf_pub {
-	int		  idx;	       /* Index into master buflist	     */
-	int		  total;       /* Buffer size			     */
-	int		  used;	       /* Amount of buffer in use (for DMA)  */
-	u32		  address;     /* Address of buffer (void *)	     */
-} drm32_buf_pub_t;
-
-typedef struct drm32_buf_map {
-	int	      count;	/* Length of buflist			    */
-	u32	      virtual;	/* Mmaped area in user-virtual (void *)	    */
-	u32 	      list;	/* Buffer information (drm_buf_pub_t *)	    */
-} drm32_buf_map_t;
-#define DRM32_IOCTL_MAP_BUFS   DRM_IOWR(0x19, drm32_buf_map_t)
-
-static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_buf_map_t __user *uarg = (drm32_buf_map_t __user *)arg;
-	drm32_buf_pub_t __user *ulist;
-	drm_buf_map_t __user *arg64;
-	drm_buf_pub_t __user *list;
-	int orig_count, ret, i;
-	int n;
-	compat_uptr_t addr;
-
-	if (get_user(orig_count, &uarg->count))
-		return -EFAULT;
-
-	arg64 = compat_alloc_user_space(sizeof(drm_buf_map_t) +
-				(size_t)orig_count * sizeof(drm_buf_pub_t));
-	list = (void __user *)(arg64 + 1);
-
-	if (put_user(orig_count, &arg64->count) ||
-	    put_user(list, &arg64->list) ||
-	    get_user(addr, &uarg->virtual) ||
-	    put_user(compat_ptr(addr), &arg64->virtual) ||
-	    get_user(addr, &uarg->list))
-		return -EFAULT;
-
-	ulist = compat_ptr(addr);
-
-	for (i = 0; i < orig_count; i++) {
-		if (get_user(n, &ulist[i].idx) ||
-		    put_user(n, &list[i].idx) ||
-		    get_user(n, &ulist[i].total) ||
-		    put_user(n, &list[i].total) ||
-		    get_user(n, &ulist[i].used) ||
-		    put_user(n, &list[i].used) ||
-		    get_user(addr, &ulist[i].address) ||
-		    put_user(compat_ptr(addr), &list[i].address))
-			return -EFAULT;
-	}
-
-	ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) arg64);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < orig_count; i++) {
-		void __user *p;
-		if (get_user(n, &list[i].idx) ||
-		    put_user(n, &ulist[i].idx) ||
-		    get_user(n, &list[i].total) ||
-		    put_user(n, &ulist[i].total) ||
-		    get_user(n, &list[i].used) ||
-		    put_user(n, &ulist[i].used) ||
-		    get_user(p, &list[i].address) ||
-		    put_user((unsigned long)p, &ulist[i].address))
-			return -EFAULT;
-	}
-
-	if (get_user(n, &arg64->count) || put_user(n, &uarg->count))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_dma {
-				/* Indices here refer to the offset into
-				   buflist in drm_buf_get_t.  */
-	int		context;	  /* Context handle		    */
-	int		send_count;	  /* Number of buffers to send	    */
-	u32		send_indices;	  /* List of handles to buffers (int *) */
-	u32		send_sizes;	  /* Lengths of data to send (int *) */
-	drm_dma_flags_t flags;		  /* Flags			    */
-	int		request_count;	  /* Number of buffers requested    */
-	int		request_size;	  /* Desired size for buffers	    */
-	u32		request_indices;  /* Buffer information (int *)	    */
-	u32		request_sizes;    /* (int *) */
-	int		granted_count;	  /* Number of buffers granted	    */
-} drm32_dma_t;
-#define DRM32_IOCTL_DMA	     DRM_IOWR(0x29, drm32_dma_t)
-
-/* RED PEN	The DRM layer blindly dereferences the send/request
- * 		index/size arrays even though they are userland
- * 		pointers.  -DaveM
- */
-static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_dma_t __user *uarg = (drm32_dma_t __user *) arg;
-	drm_dma_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int ret;
-
-	if (copy_in_user(p, uarg, 2 * sizeof(int)) ||
-	    get_user(addr, &uarg->send_indices) ||
-	    put_user(compat_ptr(addr), &p->send_indices) ||
-	    get_user(addr, &uarg->send_sizes) ||
-	    put_user(compat_ptr(addr), &p->send_sizes) ||
-	    copy_in_user(&p->flags, &uarg->flags, sizeof(drm_dma_flags_t)) ||
-	    copy_in_user(&p->request_count, &uarg->request_count, sizeof(int))||
-	    copy_in_user(&p->request_size, &uarg->request_size, sizeof(int)) ||
-	    get_user(addr, &uarg->request_indices) ||
-	    put_user(compat_ptr(addr), &p->request_indices) ||
-	    get_user(addr, &uarg->request_sizes) ||
-	    put_user(compat_ptr(addr), &p->request_sizes) ||
-	    copy_in_user(&p->granted_count, &uarg->granted_count, sizeof(int)))
-		return -EFAULT;
-
-	ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (copy_in_user(uarg, p, 2 * sizeof(int)) ||
-	    copy_in_user(&uarg->flags, &p->flags, sizeof(drm_dma_flags_t)) ||
-	    copy_in_user(&uarg->request_count, &p->request_count, sizeof(int))||
-	    copy_in_user(&uarg->request_size, &p->request_size, sizeof(int)) ||
-	    copy_in_user(&uarg->granted_count, &p->granted_count, sizeof(int)))
-		return -EFAULT;
-
-	return 0;
-}
-
-typedef struct drm32_ctx_res {
-	int		count;
-	u32		contexts; /* (drm_ctx_t *) */
-} drm32_ctx_res_t;
-#define DRM32_IOCTL_RES_CTX    DRM_IOWR(0x26, drm32_ctx_res_t)
-
-static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	drm32_ctx_res_t __user *uarg = (drm32_ctx_res_t __user *) arg;
-	drm_ctx_res_t __user *p = compat_alloc_user_space(sizeof(*p));
-	compat_uptr_t addr;
-	int ret;
-
-	if (copy_in_user(p, uarg, sizeof(int)) ||
-	    get_user(addr, &uarg->contexts) ||
-	    put_user(compat_ptr(addr), &p->contexts))
-		return -EFAULT;
-
-	ret = sys_ioctl(fd, DRM_IOCTL_RES_CTX, (unsigned long)p);
-	if (ret)
-		return ret;
-
-	if (copy_in_user(uarg, p, sizeof(int)))
-		return -EFAULT;
-
-	return 0;
-}
-
-#endif
-
 typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);
 
 #define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),sys_ioctl)
@@ -485,103 +115,14 @@ COMPATIBLE_IOCTL(FBIOSCURPOS)
 COMPATIBLE_IOCTL(FBIOGCURPOS)
 COMPATIBLE_IOCTL(FBIOGCURMAX)
 /* Little k */
-COMPATIBLE_IOCTL(KIOCTYPE)
-COMPATIBLE_IOCTL(KIOCLAYOUT)
-COMPATIBLE_IOCTL(KIOCGTRANS)
-COMPATIBLE_IOCTL(KIOCTRANS)
-COMPATIBLE_IOCTL(KIOCCMD)
-COMPATIBLE_IOCTL(KIOCSDIRECT)
-COMPATIBLE_IOCTL(KIOCSLED)
-COMPATIBLE_IOCTL(KIOCGLED)
-COMPATIBLE_IOCTL(KIOCSRATE)
-COMPATIBLE_IOCTL(KIOCGRATE)
-COMPATIBLE_IOCTL(VUIDSFORMAT)
-COMPATIBLE_IOCTL(VUIDGFORMAT)
 /* Little v, the video4linux ioctls */
 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
-COMPATIBLE_IOCTL(ENVCTRL_RD_WARNING_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_SHUTDOWN_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_CPU_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_FAN_STATUS)
-COMPATIBLE_IOCTL(ENVCTRL_RD_VOLTAGE_STATUS)
-COMPATIBLE_IOCTL(ENVCTRL_RD_SCSI_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_ETHERNET_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_MTHRBD_TEMPERATURE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_CPU_VOLTAGE)
-COMPATIBLE_IOCTL(ENVCTRL_RD_GLOBALADDRESS)
-/* COMPATIBLE_IOCTL(D7SIOCRD) same value as ENVCTRL_RD_VOLTAGE_STATUS */
-COMPATIBLE_IOCTL(D7SIOCWR)
-COMPATIBLE_IOCTL(D7SIOCTM)
-/* OPENPROMIO, SunOS/Solaris only, the NetBSD one's have
- * embedded pointers in the arg which we'd need to clean up...
- */
-COMPATIBLE_IOCTL(OPROMGETOPT)
-COMPATIBLE_IOCTL(OPROMSETOPT)
-COMPATIBLE_IOCTL(OPROMNXTOPT)
-COMPATIBLE_IOCTL(OPROMSETOPT2)
-COMPATIBLE_IOCTL(OPROMNEXT)
-COMPATIBLE_IOCTL(OPROMCHILD)
-COMPATIBLE_IOCTL(OPROMGETPROP)
-COMPATIBLE_IOCTL(OPROMNXTPROP)
-COMPATIBLE_IOCTL(OPROMU2P)
-COMPATIBLE_IOCTL(OPROMGETCONS)
-COMPATIBLE_IOCTL(OPROMGETFBNAME)
-COMPATIBLE_IOCTL(OPROMGETBOOTARGS)
-COMPATIBLE_IOCTL(OPROMSETCUR)
-COMPATIBLE_IOCTL(OPROMPCI2NODE)
-COMPATIBLE_IOCTL(OPROMPATH2NODE)
-/* Big L */
-COMPATIBLE_IOCTL(LOOP_SET_STATUS64)
-COMPATIBLE_IOCTL(LOOP_GET_STATUS64)
-/* Big A */
-COMPATIBLE_IOCTL(AUDIO_GETINFO)
-COMPATIBLE_IOCTL(AUDIO_SETINFO)
-COMPATIBLE_IOCTL(AUDIO_DRAIN)
-COMPATIBLE_IOCTL(AUDIO_GETDEV)
-COMPATIBLE_IOCTL(AUDIO_GETDEV_SUNOS)
-COMPATIBLE_IOCTL(AUDIO_FLUSH)
-COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI)
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-COMPATIBLE_IOCTL(DRM_IOCTL_GET_MAGIC)
-COMPATIBLE_IOCTL(DRM_IOCTL_IRQ_BUSID)
-COMPATIBLE_IOCTL(DRM_IOCTL_AUTH_MAGIC)
-COMPATIBLE_IOCTL(DRM_IOCTL_BLOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_UNBLOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_CONTROL)
-COMPATIBLE_IOCTL(DRM_IOCTL_ADD_BUFS)
-COMPATIBLE_IOCTL(DRM_IOCTL_MARK_BUFS)
-COMPATIBLE_IOCTL(DRM_IOCTL_ADD_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_RM_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_MOD_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_GET_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_SWITCH_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_NEW_CTX)
-COMPATIBLE_IOCTL(DRM_IOCTL_ADD_DRAW)
-COMPATIBLE_IOCTL(DRM_IOCTL_RM_DRAW)
-COMPATIBLE_IOCTL(DRM_IOCTL_LOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_UNLOCK)
-COMPATIBLE_IOCTL(DRM_IOCTL_FINISH)
-#endif /* DRM */
-COMPATIBLE_IOCTL(WIOCSTART)
-COMPATIBLE_IOCTL(WIOCSTOP)
-COMPATIBLE_IOCTL(WIOCGSTAT)
 /* And these ioctls need translation */
 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
 HANDLE_IOCTL(FBIOPUTCMAP32, fbiogetputcmap)
 HANDLE_IOCTL(FBIOGETCMAP32, fbiogetputcmap)
 HANDLE_IOCTL(FBIOSCURSOR32, fbiogscursor)
-#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
-HANDLE_IOCTL(DRM32_IOCTL_VERSION, drm32_version)
-HANDLE_IOCTL(DRM32_IOCTL_GET_UNIQUE, drm32_getsetunique)
-HANDLE_IOCTL(DRM32_IOCTL_SET_UNIQUE, drm32_getsetunique)
-HANDLE_IOCTL(DRM32_IOCTL_ADD_MAP, drm32_addmap)
-HANDLE_IOCTL(DRM32_IOCTL_INFO_BUFS, drm32_info_bufs)
-HANDLE_IOCTL(DRM32_IOCTL_FREE_BUFS, drm32_free_bufs)
-HANDLE_IOCTL(DRM32_IOCTL_MAP_BUFS, drm32_map_bufs)
-HANDLE_IOCTL(DRM32_IOCTL_DMA, drm32_dma)
-HANDLE_IOCTL(DRM32_IOCTL_RES_CTX, drm32_res_ctx)
-#endif /* DRM */
 #if 0
 HANDLE_IOCTL(RTC32_IRQP_READ, do_rtc_ioctl)
 HANDLE_IOCTL(RTC32_IRQP_SET, do_rtc_ioctl)
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index c1f34237cdf2..bf1849dd9c49 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -154,6 +154,7 @@ int prom_callback(long *args)
 			pud_t *pudp;
 			pmd_t *pmdp;
 			pte_t *ptep;
+			pte_t pte;
 
 			for_each_process(p) {
 				mm = p->mm;
@@ -178,8 +179,9 @@ int prom_callback(long *args)
 			 * being called from inside OBP.
 			 */
 			ptep = pte_offset_map(pmdp, va);
-			if (pte_present(*ptep)) {
-				tte = pte_val(*ptep);
+			pte = *ptep;
+			if (pte_present(pte)) {
+				tte = pte_val(pte);
 				res = PROM_TRUE;
 			}
 			pte_unmap(ptep);
@@ -218,6 +220,7 @@ int prom_callback(long *args)
 			pud_t *pudp;
 			pmd_t *pmdp;
 			pte_t *ptep;
+			pte_t pte;
 			int error;
 
 			if ((va >= LOW_OBP_ADDRESS) && (va < HI_OBP_ADDRESS)) {
@@ -240,8 +243,9 @@ int prom_callback(long *args)
 			 * being called from inside OBP.
 			 */
 			ptep = pte_offset_kernel(pmdp, va);
-			if (pte_present(*ptep)) {
-				tte = pte_val(*ptep);
+			pte = *ptep;
+			if (pte_present(pte)) {
+				tte = pte_val(pte);
 				res = PROM_TRUE;
 			}
 			goto done;
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index aecccd0df1d1..009a86e5ded4 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -863,6 +863,7 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
 		pud_t *pudp = pud_offset(pgdp, address);
 		pmd_t *pmdp = pmd_offset(pudp, address);
 		pte_t *ptep;
+		pte_t pte;
 
 		regs->u_regs[UREG_I7] = (unsigned long) (&(sf->insns[0]) - 2);
 	
@@ -873,9 +874,10 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
 
 		preempt_disable();
 		ptep = pte_offset_map(pmdp, address);
-		if (pte_present(*ptep)) {
+		pte = *ptep;
+		if (pte_present(pte)) {
 			unsigned long page = (unsigned long)
-				page_address(pte_page(*ptep));
+				page_address(pte_page(pte));
 
 			wmb();
 			__asm__ __volatile__("flush	%0 + %1"
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index b137fd63f5e1..5d90ee9aebf1 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -839,43 +839,29 @@ void smp_flush_tlb_all(void)
  *    questionable (in theory the big win for threads is the massive sharing of
  *    address space state across processors).
  */
+
+/* This currently is only used by the hugetlb arch pre-fault
+ * hook on UltraSPARC-III+ and later when changing the pagesize
+ * bits of the context register for an address space.
+ */
 void smp_flush_tlb_mm(struct mm_struct *mm)
 {
-        /*
-         * This code is called from two places, dup_mmap and exit_mmap. In the
-         * former case, we really need a flush. In the later case, the callers
-         * are single threaded exec_mmap (really need a flush), multithreaded
-         * exec_mmap case (do not need to flush, since the caller gets a new
-         * context via activate_mm), and all other callers of mmput() whence
-         * the flush can be optimized since the associated threads are dead and
-         * the mm is being torn down (__exit_mm and other mmput callers) or the
-         * owning thread is dissociating itself from the mm. The
-         * (atomic_read(&mm->mm_users) == 0) check ensures real work is done
-         * for single thread exec and dup_mmap cases. An alternate check might
-         * have been (current->mm != mm).
-         *                                              Kanoj Sarcar
-         */
-        if (atomic_read(&mm->mm_users) == 0)
-                return;
-
-	{
-		u32 ctx = CTX_HWBITS(mm->context);
-		int cpu = get_cpu();
+	u32 ctx = CTX_HWBITS(mm->context);
+	int cpu = get_cpu();
 
-		if (atomic_read(&mm->mm_users) == 1) {
-			mm->cpu_vm_mask = cpumask_of_cpu(cpu);
-			goto local_flush_and_out;
-		}
+	if (atomic_read(&mm->mm_users) == 1) {
+		mm->cpu_vm_mask = cpumask_of_cpu(cpu);
+		goto local_flush_and_out;
+	}
 
-		smp_cross_call_masked(&xcall_flush_tlb_mm,
-				      ctx, 0, 0,
-				      mm->cpu_vm_mask);
+	smp_cross_call_masked(&xcall_flush_tlb_mm,
+			      ctx, 0, 0,
+			      mm->cpu_vm_mask);
 
-	local_flush_and_out:
-		__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
+local_flush_and_out:
+	__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
 
-		put_cpu();
-	}
+	put_cpu();
 }
 
 void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long *vaddrs)
@@ -883,34 +869,13 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
 	u32 ctx = CTX_HWBITS(mm->context);
 	int cpu = get_cpu();
 
-	if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1) {
+	if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1)
 		mm->cpu_vm_mask = cpumask_of_cpu(cpu);
-		goto local_flush_and_out;
-	} else {
-		/* This optimization is not valid.  Normally
-		 * we will be holding the page_table_lock, but
-		 * there is an exception which is copy_page_range()
-		 * when forking.  The lock is held during the individual
-		 * page table updates in the parent, but not at the
-		 * top level, which is where we are invoked.
-		 */
-		if (0) {
-			cpumask_t this_cpu_mask = cpumask_of_cpu(cpu);
-
-			/* By virtue of running under the mm->page_table_lock,
-			 * and mmu_context.h:switch_mm doing the same, the
-			 * following operation is safe.
-			 */
-			if (cpus_equal(mm->cpu_vm_mask, this_cpu_mask))
-				goto local_flush_and_out;
-		}
-	}
-
-	smp_cross_call_masked(&xcall_flush_tlb_pending,
-			      ctx, nr, (unsigned long) vaddrs,
-			      mm->cpu_vm_mask);
+	else
+		smp_cross_call_masked(&xcall_flush_tlb_pending,
+				      ctx, nr, (unsigned long) vaddrs,
+				      mm->cpu_vm_mask);
 
-local_flush_and_out:
 	__flush_tlb_pending(ctx, nr, vaddrs);
 
 	put_cpu();
diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c
index 7654b8a7f03a..3f619ead22cc 100644
--- a/arch/sparc64/kernel/sunos_ioctl32.c
+++ b/arch/sparc64/kernel/sunos_ioctl32.c
@@ -24,7 +24,6 @@
 #include <linux/smp_lock.h>
 #include <linux/syscalls.h>
 #include <linux/compat.h>
-#include <asm/kbio.h>
 
 #define SUNOS_NR_OPEN	256
 
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 38c5525087a2..459c8fbe02b4 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -60,17 +60,6 @@ static void __iomem *mstk48t59_regs;
 
 static int set_rtc_mmss(unsigned long);
 
-static __init unsigned long dummy_get_tick(void)
-{
-	return 0;
-}
-
-static __initdata struct sparc64_tick_ops dummy_tick_ops = {
-	.get_tick	= dummy_get_tick,
-};
-
-struct sparc64_tick_ops *tick_ops __read_mostly = &dummy_tick_ops;
-
 #define TICK_PRIV_BIT	(1UL << 63)
 
 #ifdef CONFIG_SMP
@@ -200,6 +189,8 @@ static struct sparc64_tick_ops tick_operations __read_mostly = {
 	.softint_mask	=	1UL << 0,
 };
 
+struct sparc64_tick_ops *tick_ops __read_mostly = &tick_operations;
+
 static void stick_init_tick(unsigned long offset)
 {
 	tick_disable_protection();