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

32 files changed, 673 insertions, 1569 deletions

diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index 769f925c8526..87f4d052e39c 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -130,8 +130,6 @@ Code	Seq#	Include File		Comments
                                         <mailto:zapman@interlan.net>
 'i'     00-3F   linux/i2o.h
 'j'     00-3F   linux/joystick.h
-'k'     all     asm-sparc/kbio.h
-                asm-sparc64/kbio.h
 'l'     00-3F   linux/tcfs_fs.h         transparent cryptographic file system
                                         <http://mikonos.dia.unisa.it/tcfs>
 'l'     40-7F   linux/udf_fs_i.h        in development:
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();
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index c82abeb59d3a..071ae24be892 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -26,6 +26,7 @@
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/timer.h>
+#include <linux/smp_lock.h>
 #include <asm/irq.h>
 #include <asm/ebus.h>
 #include <asm/oplib.h>
@@ -394,6 +395,28 @@ static int wd_ioctl(struct inode *inode, struct file *file,
         return(0);
 }
 
+static long wd_compat_ioctl(struct file *file, unsigned int cmd,
+                unsigned long arg)
+{
+        int rval = -ENOIOCTLCMD;
+
+        switch (cmd) {
+        /* solaris ioctls are specific to this driver */
+        case WIOCSTART:
+        case WIOCSTOP:
+        case WIOCGSTAT:
+                lock_kernel();
+                rval = wd_ioctl(file->f_dentry->d_inode, file, cmd, arg);
+                lock_kernel();
+                break;
+        /* everything else is handled by the generic compat layer */
+        default:
+                break;
+        }
+
+        return rval;
+}
+
 static ssize_t wd_write(struct file     *file, 
                         const char      __user *buf, 
                         size_t          count, 
@@ -441,6 +464,7 @@ static irqreturn_t wd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct file_operations wd_fops = {
         .owner =        THIS_MODULE,
         .ioctl =        wd_ioctl,
+        .compat_ioctl = wd_compat_ioctl,
         .open =         wd_open,
         .write =        wd_write,
         .read =         wd_read,
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 24ed5893b4f0..39f54213a6d5 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/miscdevice.h>
 #include <linux/ioport.h>               /* request_region */
+#include <linux/smp_lock.h>
 #include <asm/atomic.h>
 #include <asm/ebus.h>                   /* EBus device                                  */
 #include <asm/oplib.h>                  /* OpenProm Library                     */
@@ -114,22 +115,25 @@ static int d7s_release(struct inode *inode, struct file *f)
         return 0;
 }
 
-static int d7s_ioctl(struct inode *inode, struct file *f, 
-                     unsigned int cmd, unsigned long arg)
+static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
         __u8 regs = readb(d7s_regs);
         __u8 ireg = 0;
+        int error = 0
 
-        if (D7S_MINOR != iminor(inode))
+        if (D7S_MINOR != iminor(file->f_dentry->d_inode))
                 return -ENODEV;
 
+        lock_kernel();
         switch (cmd) {
         case D7SIOCWR:
                 /* assign device register values
                  * we mask-out D7S_FLIP if in sol_compat mode
                  */
-                if (get_user(ireg, (int __user *) arg))
-                        return -EFAULT;
+                if (get_user(ireg, (int __user *) arg)) {
+                        error = -EFAULT;
+                        break;
+                }
                 if (0 != sol_compat) {
                         (regs & D7S_FLIP) ? 
                                 (ireg |= D7S_FLIP) : (ireg &= ~D7S_FLIP);
@@ -144,8 +148,10 @@ static int d7s_ioctl(struct inode *inode, struct file *f,
                  * This driver will not misinform you about the state
                  * of your hardware while in sol_compat mode
                  */
-                if (put_user(regs, (int __user *) arg))
-                        return -EFAULT;
+                if (put_user(regs, (int __user *) arg)) {
+                        error = -EFAULT;
+                        break;
+                }
                 break;
 
         case D7SIOCTM:
@@ -155,15 +161,17 @@ static int d7s_ioctl(struct inode *inode, struct file *f,
                 writeb(regs, d7s_regs);
                 break;
         };
+        lock_kernel();
 
-        return 0;
+        return error;
 }
 
 static struct file_operations d7s_fops = {
-        .owner =        THIS_MODULE,
-        .ioctl =        d7s_ioctl,
-        .open =         d7s_open,
-        .release =      d7s_release,
+        .owner =                THIS_MODULE,
+        .unlocked_ioctl =       d7s_ioctl,
+        .compat_ioctl =         d7s_ioctl,
+        .open =                 d7s_open,
+        .release =              d7s_release,
 };
 
 static struct miscdevice d7s_miscdev = { D7S_MINOR, D7S_DEVNAME, &d7s_fops };
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index ba56762b05f6..19e8eddf887a 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -654,9 +654,8 @@ envctrl_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 /* Function Description: Command what to read.  Mapped to user ioctl().
  * Return: Gives 0 for implemented commands, -EINVAL otherwise.
  */
-static int
-envctrl_ioctl(struct inode *inode, struct file *file,
-              unsigned int cmd, unsigned long arg)
+static long
+envctrl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
         char __user *infobuf;
 
@@ -715,11 +714,14 @@ envctrl_release(struct inode *inode, struct file *file)
 }
 
 static struct file_operations envctrl_fops = {
-        .owner =        THIS_MODULE,
-        .read =         envctrl_read,
-        .ioctl =        envctrl_ioctl,
-        .open =         envctrl_open,
-        .release =      envctrl_release,
+        .owner =                THIS_MODULE,
+        .read =                 envctrl_read,
+        .unlocked_ioctl =       envctrl_ioctl,
+#ifdef CONFIG_COMPAT
+        .compat_ioctl =         envctrl_ioctl,
+#endif
+        .open =                 envctrl_open,
+        .release =              envctrl_release,
 };      
 
 static struct miscdevice envctrl_dev = {
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 58ed33749571..5028ac214326 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -39,6 +39,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <asm/oplib.h>
@@ -565,6 +566,38 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
         }
 }
 
+static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
+                unsigned long arg)
+{
+        long rval = -ENOTTY;
+
+        /*
+         * SunOS/Solaris only, the NetBSD one's have embedded pointers in
+         * the arg which we'd need to clean up...
+         */
+        switch (cmd) {
+        case OPROMGETOPT:
+        case OPROMSETOPT:
+        case OPROMNXTOPT:
+        case OPROMSETOPT2:
+        case OPROMNEXT:
+        case OPROMCHILD:
+        case OPROMGETPROP:
+        case OPROMNXTPROP:
+        case OPROMU2P:
+        case OPROMGETCONS:
+        case OPROMGETFBNAME:
+        case OPROMGETBOOTARGS:
+        case OPROMSETCUR:
+        case OPROMPCI2NODE:
+        case OPROMPATH2NODE:
+                lock_kernel();
+                rval = openprom_ioctl(file->f_dentry->d_inode, file, cmd, arg);
+                lock_kernel();
+                break;
+        }
+}
+
 static int openprom_open(struct inode * inode, struct file * file)
 {
         DATA *data;
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 656c0e8d160e..f0738533f39a 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1441,7 +1441,7 @@ static void sunsu_console_write(struct console *co, const char *s,
  *      - initialize the serial port
  *      Return non-zero if we didn't find a serial port.
  */
-static int __init sunsu_console_setup(struct console *co, char *options)
+static int sunsu_console_setup(struct console *co, char *options)
 {
         struct uart_port *port;
         int baud = 9600;
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 3280bb9560e2..414c4409e924 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -653,12 +653,6 @@ static void cg6_chip_init(struct fb_info *info)
         sbus_writel(0, &fbc->clipminy);
         sbus_writel(info->var.xres - 1, &fbc->clipmaxx);
         sbus_writel(info->var.yres - 1, &fbc->clipmaxy);
-
-        /* Disable cursor in Brooktree DAC. */
-        sbus_writel(0x06 << 24, &par->bt->addr);
-        tmp = sbus_readl(&par->bt->control);
-        tmp &= ~(0x03 << 24);
-        sbus_writel(tmp, &par->bt->control);
 }
 
 struct all_info {
diff --git a/include/asm-m68k/kbio.h b/include/asm-m68k/kbio.h
deleted file mode 100644
index e1fbf8fba3e8..000000000000
--- a/include/asm-m68k/kbio.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-sparc/kbio.h>
diff --git a/include/asm-m68k/vuid_event.h b/include/asm-m68k/vuid_event.h
deleted file mode 100644
index 52ecb521a395..000000000000
--- a/include/asm-m68k/vuid_event.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef _M68K_VUID_EVENT_H
-#define _M68K_VUID_EVENT_H
-#include <asm-sparc/vuid_event.h>
-#endif
diff --git a/include/asm-sparc/audioio.h b/include/asm-sparc/audioio.h
deleted file mode 100644
index cf16173f521b..000000000000
--- a/include/asm-sparc/audioio.h
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * include/asm-sparc/audioio.h
- *
- * Sparc Audio Midlayer
- * Copyright (C) 1996 Thomas K. Dyas (tdyas@noc.rutgers.edu)
- */
-
-#ifndef _AUDIOIO_H_
-#define _AUDIOIO_H_
-
-/*
- *      SunOS/Solaris /dev/audio interface
- */
-
-#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/ioctl.h>
-#endif
-
-/*
- * This structure contains state information for audio device IO streams.
- */
-typedef struct audio_prinfo {
-        /*
-         * The following values describe the audio data encoding.
-         */
-        unsigned int sample_rate;       /* samples per second */
-        unsigned int channels;  /* number of interleaved channels */
-        unsigned int precision; /* bit-width of each sample */
-        unsigned int encoding;  /* data encoding method */
-
-        /*
-         * The following values control audio device configuration
-         */
-        unsigned int gain;              /* gain level: 0 - 255 */
-        unsigned int port;              /* selected I/O port (see below) */
-        unsigned int avail_ports;       /* available I/O ports (see below) */
-        unsigned int _xxx[2];           /* Reserved for future use */
-
-        unsigned int buffer_size;       /* I/O buffer size */
-
-        /*
-         * The following values describe driver state
-         */
-        unsigned int samples;           /* number of samples converted */
-        unsigned int eof;               /* End Of File counter (play only) */
-
-        unsigned char   pause;          /* non-zero for pause, zero to resume */
-        unsigned char   error;          /* non-zero if overflow/underflow */
-        unsigned char   waiting;        /* non-zero if a process wants access */
-        unsigned char balance;  /* stereo channel balance */
-
-        unsigned short minordev;
-
-        /*
-         * The following values are read-only state flags
-         */
-        unsigned char open;             /* non-zero if open access permitted */
-        unsigned char active;           /* non-zero if I/O is active */
-} audio_prinfo_t;
-
-
-/*
- * This structure describes the current state of the audio device.
- */
-typedef struct audio_info {
-        /*
-         * Per-stream information
-         */
-        audio_prinfo_t play;    /* output status information */
-        audio_prinfo_t record;  /* input status information */
-
-        /*
-         * Per-unit/channel information
-         */
-        unsigned int monitor_gain;      /* input to output mix: 0 - 255 */
-        unsigned char output_muted;     /* non-zero if output is muted */
-        unsigned char _xxx[3];  /* Reserved for future use */
-        unsigned int _yyy[3];           /* Reserved for future use */
-} audio_info_t;
-
-
-/*
- * Audio encoding types
- */
-#define AUDIO_ENCODING_NONE     (0)     /* no encoding assigned   */
-#define AUDIO_ENCODING_ULAW     (1)     /* u-law encoding         */
-#define AUDIO_ENCODING_ALAW     (2)     /* A-law encoding         */
-#define AUDIO_ENCODING_LINEAR   (3)     /* Linear PCM encoding    */
-#define AUDIO_ENCODING_FLOAT    (4)     /* IEEE float (-1. <-> +1.) */
-#define AUDIO_ENCODING_DVI      (104)   /* DVI ADPCM              */
-#define AUDIO_ENCODING_LINEAR8  (105)   /* 8 bit UNSIGNED         */
-#define AUDIO_ENCODING_LINEARLE (106)   /* Linear PCM LE encoding */
-
-/*
- * These ranges apply to record, play, and monitor gain values
- */
-#define AUDIO_MIN_GAIN  (0)     /* minimum gain value */
-#define AUDIO_MAX_GAIN  (255)   /* maximum gain value */
-
-/*
- * These values apply to the balance field to adjust channel gain values
- */
-#define AUDIO_LEFT_BALANCE      (0)     /* left channel only    */
-#define AUDIO_MID_BALANCE       (32)    /* equal left/right channel */
-#define AUDIO_RIGHT_BALANCE     (64)    /* right channel only   */
-#define AUDIO_BALANCE_SHIFT     (3)
-
-/*
- * Generic minimum/maximum limits for number of channels, both modes
- */
-#define AUDIO_MIN_PLAY_CHANNELS (1)
-#define AUDIO_MAX_PLAY_CHANNELS (4)
-#define AUDIO_MIN_REC_CHANNELS  (1)
-#define AUDIO_MAX_REC_CHANNELS  (4)
-
-/*
- * Generic minimum/maximum limits for sample precision
- */
-#define AUDIO_MIN_PLAY_PRECISION        (8)
-#define AUDIO_MAX_PLAY_PRECISION        (32)
-#define AUDIO_MIN_REC_PRECISION         (8)
-#define AUDIO_MAX_REC_PRECISION         (32)
-
-/*
- * Define some convenient names for typical audio ports
- */
-/*
- * output ports (several may be enabled simultaneously)
- */
-#define AUDIO_SPEAKER           0x01    /* output to built-in speaker */
-#define AUDIO_HEADPHONE         0x02    /* output to headphone jack */
-#define AUDIO_LINE_OUT          0x04    /* output to line out    */
-
-/*
- * input ports (usually only one at a time)
- */
-#define AUDIO_MICROPHONE        0x01    /* input from microphone */
-#define AUDIO_LINE_IN           0x02    /* input from line in    */
-#define AUDIO_CD                0x04    /* input from on-board CD inputs */
-#define AUDIO_INTERNAL_CD_IN    AUDIO_CD        /* input from internal CDROM */
-#define AUDIO_ANALOG_LOOPBACK   0x40    /* input from output */
-
-
-/*
- * This macro initializes an audio_info structure to 'harmless' values.
- * Note that (~0) might not be a harmless value for a flag that was
- * a signed int.
- */
-#define AUDIO_INITINFO(i)       {                                       \
-        unsigned int    *__x__;                                         \
-        for (__x__ = (unsigned int *)(i);                               \
-            (char *) __x__ < (((char *)(i)) + sizeof (audio_info_t));   \
-            *__x__++ = ~0);                                             \
-}
-
-/*
- * These allow testing for what the user wants to set 
- */
-#define AUD_INITVALUE   (~0)
-#define Modify(X)       ((unsigned int)(X) != AUD_INITVALUE)
-#define Modifys(X)      ((X) != (unsigned short)AUD_INITVALUE)
-#define Modifyc(X)      ((X) != (unsigned char)AUD_INITVALUE)
-
-/*
- * Parameter for the AUDIO_GETDEV ioctl to determine current
- * audio devices.
- */
-#define MAX_AUDIO_DEV_LEN       (16)
-typedef struct audio_device {
-        char name[MAX_AUDIO_DEV_LEN];
-        char version[MAX_AUDIO_DEV_LEN];
-        char config[MAX_AUDIO_DEV_LEN];
-} audio_device_t;
-
-
-/*
- * Ioctl calls for the audio device.
- */
-
-/*
- * AUDIO_GETINFO retrieves the current state of the audio device.
- *
- * AUDIO_SETINFO copies all fields of the audio_info structure whose
- * values are not set to the initialized value (-1) to the device state.
- * It performs an implicit AUDIO_GETINFO to return the new state of the
- * device.  Note that the record.samples and play.samples fields are set
- * to the last value before the AUDIO_SETINFO took effect.  This allows
- * an application to reset the counters while atomically retrieving the
- * last value.
- *
- * AUDIO_DRAIN suspends the calling process until the write buffers are
- * empty.
- *
- * AUDIO_GETDEV returns a structure of type audio_device_t which contains
- * three strings.  The string "name" is a short identifying string (for
- * example, the SBus Fcode name string), the string "version" identifies
- * the current version of the device, and the "config" string identifies
- * the specific configuration of the audio stream.  All fields are
- * device-dependent -- see the device specific manual pages for details.
- *
- * AUDIO_GETDEV_SUNOS returns a number which is an audio device defined 
- * herein (making it not too portable)
- *
- * AUDIO_FLUSH stops all playback and recording, clears all queued buffers, 
- * resets error counters, and restarts recording and playback as appropriate
- * for the current sampling mode.
- */
-#define AUDIO_GETINFO   _IOR('A', 1, audio_info_t)
-#define AUDIO_SETINFO   _IOWR('A', 2, audio_info_t)
-#define AUDIO_DRAIN     _IO('A', 3)
-#define AUDIO_GETDEV    _IOR('A', 4, audio_device_t)
-#define AUDIO_GETDEV_SUNOS      _IOR('A', 4, int)
-#define AUDIO_FLUSH     _IO('A', 5)
-
-/* Define possible audio hardware configurations for 
- * old SunOS-style AUDIO_GETDEV ioctl */
-#define AUDIO_DEV_UNKNOWN       (0)     /* not defined */
-#define AUDIO_DEV_AMD           (1)     /* audioamd device */
-#define AUDIO_DEV_SPEAKERBOX    (2)     /* dbri device with speakerbox */
-#define AUDIO_DEV_CODEC         (3)     /* dbri device (internal speaker) */
-#define AUDIO_DEV_CS4231        (5)     /* cs4231 device */
-
-/*
- * The following ioctl sets the audio device into an internal loopback mode,
- * if the hardware supports this.  The argument is TRUE to set loopback,
- * FALSE to reset to normal operation.  If the hardware does not support
- * internal loopback, the ioctl should fail with EINVAL.
- * Causes ADC data to be digitally mixed in and sent to the DAC.
- */
-#define AUDIO_DIAG_LOOPBACK     _IOW('A', 101, int)
-
-#endif /* _AUDIOIO_H_ */
diff --git a/include/asm-sparc/kbio.h b/include/asm-sparc/kbio.h
deleted file mode 100644
index 3cf496bdf399..000000000000
--- a/include/asm-sparc/kbio.h
+++ /dev/null
@@ -1,56 +0,0 @@
-#ifndef __LINUX_KBIO_H
-#define __LINUX_KBIO_H
-
-/* Return keyboard type */
-#define KIOCTYPE    _IOR('k', 9, int)
-/* Return Keyboard layout */
-#define KIOCLAYOUT  _IOR('k', 20, int)
-
-enum {
-    TR_NONE,
-    TR_ASCII,                   /* keyboard is in regular state */
-    TR_EVENT,                   /* keystrokes sent as firm events */
-    TR_UNTRANS_EVENT            /* EVENT+up and down+no translation */
-};
-
-/* Return the current keyboard translation */
-#define KIOCGTRANS  _IOR('k', 5, int)
-/* Set the keyboard translation */
-#define KIOCTRANS   _IOW('k', 0, int)
-
-/* Send a keyboard command */
-#define KIOCCMD     _IOW('k', 8, int)
-
-/* Return if keystrokes are being sent to /dev/kbd */
-
-/* Set routing of keystrokes to /dev/kbd */
-#define KIOCSDIRECT _IOW('k', 10, int)
-
-/* Set keyboard leds */
-#define KIOCSLED    _IOW('k', 14, unsigned char)
-
-/* Get keyboard leds */
-#define KIOCGLED    _IOR('k', 15, unsigned char)
-
-/* Used by KIOC[GS]RATE */
-struct kbd_rate {
-        unsigned char delay;    /* Delay in Hz before first repeat.     */
-        unsigned char rate;     /* In characters per second (0..50).    */
-};
-
-/* Set keyboard rate */
-#define KIOCSRATE   _IOW('k', 40, struct kbd_rate)
-
-/* Get keyboard rate */
-#define KIOCGRATE   _IOW('k', 41, struct kbd_rate)
-
-/* Top bit records if the key is up or down */
-#define KBD_UP      0x80
-
-/* Usable information */
-#define KBD_KEYMASK 0x7f
-
-/* All keys up */
-#define KBD_IDLE    0x75
-
-#endif /* __LINUX_KBIO_H */
diff --git a/include/asm-sparc/termios.h b/include/asm-sparc/termios.h
index 0a8ad4cac125..d05f83c80989 100644
--- a/include/asm-sparc/termios.h
+++ b/include/asm-sparc/termios.h
@@ -38,15 +38,6 @@ struct sunos_ttysize {
         int st_columns; /* Columns on the terminal */
 };
 
-/* Used for packet mode */
-#define TIOCPKT_DATA             0
-#define TIOCPKT_FLUSHREAD        1
-#define TIOCPKT_FLUSHWRITE       2
-#define TIOCPKT_STOP             4
-#define TIOCPKT_START            8
-#define TIOCPKT_NOSTOP          16
-#define TIOCPKT_DOSTOP          32
-
 struct winsize {
         unsigned short ws_row;
         unsigned short ws_col;
diff --git a/include/asm-sparc/vuid_event.h b/include/asm-sparc/vuid_event.h
deleted file mode 100644
index 7781e9f2fdd3..000000000000
--- a/include/asm-sparc/vuid_event.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* SunOS Virtual User Input Device (VUID) compatibility */
-
-
-typedef struct firm_event {
-        unsigned short id;        /* tag for this event */
-        unsigned char  pair_type; /* unused by X11 */
-        unsigned char  pair;      /* unused by X11 */
-        int            value;     /* VKEY_UP, VKEY_DOWN or delta */
-        struct timeval time;
-} Firm_event;
-
-enum {
-    FE_PAIR_NONE,
-    FE_PAIR_SET,
-    FE_PAIR_DELTA,
-    FE_PAIR_ABSOLUTE
-};
-
-/* VUID stream formats */
-#define VUID_NATIVE     0       /* Native byte stream format */
-#define VUID_FIRM_EVENT 1       /* send firm_event structures */
-
-/* ioctls */
-    /* Set input device byte stream format (any of VUID_{NATIVE,FIRM_EVENT}) */
-#define VUIDSFORMAT   _IOW('v', 1, int)
-    /* Retrieve input device byte stream format */
-#define VUIDGFORMAT   _IOR('v', 2, int)
-
-/* Possible tag values */
-/*    mouse buttons: */
-#define MS_LEFT         0x7f20
-#define MS_MIDDLE       0x7f21
-#define MS_RIGHT        0x7f22
-/*    motion: */
-#define LOC_X_DELTA     0x7f80
-#define LOC_Y_DELTA     0x7f81
-#define LOC_X_ABSOLUTE  0x7f82  /* X compat, unsupported */
-#define LOC_Y_ABSOLUTE  0x7f83  /* X compat, unsupported */
-
-#define VKEY_UP   0
-#define VKEY_DOWN 1
diff --git a/include/asm-sparc64/audioio.h b/include/asm-sparc64/audioio.h
deleted file mode 100644
index cf16173f521b..000000000000
--- a/include/asm-sparc64/audioio.h
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * include/asm-sparc/audioio.h
- *
- * Sparc Audio Midlayer
- * Copyright (C) 1996 Thomas K. Dyas (tdyas@noc.rutgers.edu)
- */
-
-#ifndef _AUDIOIO_H_
-#define _AUDIOIO_H_
-
-/*
- *      SunOS/Solaris /dev/audio interface
- */
-
-#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/ioctl.h>
-#endif
-
-/*
- * This structure contains state information for audio device IO streams.
- */
-typedef struct audio_prinfo {
-        /*
-         * The following values describe the audio data encoding.
-         */
-        unsigned int sample_rate;       /* samples per second */
-        unsigned int channels;  /* number of interleaved channels */
-        unsigned int precision; /* bit-width of each sample */
-        unsigned int encoding;  /* data encoding method */
-
-        /*
-         * The following values control audio device configuration
-         */
-        unsigned int gain;              /* gain level: 0 - 255 */
-        unsigned int port;              /* selected I/O port (see below) */
-        unsigned int avail_ports;       /* available I/O ports (see below) */
-        unsigned int _xxx[2];           /* Reserved for future use */
-
-        unsigned int buffer_size;       /* I/O buffer size */
-
-        /*
-         * The following values describe driver state
-         */
-        unsigned int samples;           /* number of samples converted */
-        unsigned int eof;               /* End Of File counter (play only) */
-
-        unsigned char   pause;          /* non-zero for pause, zero to resume */
-        unsigned char   error;          /* non-zero if overflow/underflow */
-        unsigned char   waiting;        /* non-zero if a process wants access */
-        unsigned char balance;  /* stereo channel balance */
-
-        unsigned short minordev;
-
-        /*
-         * The following values are read-only state flags
-         */
-        unsigned char open;             /* non-zero if open access permitted */
-        unsigned char active;           /* non-zero if I/O is active */
-} audio_prinfo_t;
-
-
-/*
- * This structure describes the current state of the audio device.
- */
-typedef struct audio_info {
-        /*
-         * Per-stream information
-         */
-        audio_prinfo_t play;    /* output status information */
-        audio_prinfo_t record;  /* input status information */
-
-        /*
-         * Per-unit/channel information
-         */
-        unsigned int monitor_gain;      /* input to output mix: 0 - 255 */
-        unsigned char output_muted;     /* non-zero if output is muted */
-        unsigned char _xxx[3];  /* Reserved for future use */
-        unsigned int _yyy[3];           /* Reserved for future use */
-} audio_info_t;
-
-
-/*
- * Audio encoding types
- */
-#define AUDIO_ENCODING_NONE     (0)     /* no encoding assigned   */
-#define AUDIO_ENCODING_ULAW     (1)     /* u-law encoding         */
-#define AUDIO_ENCODING_ALAW     (2)     /* A-law encoding         */
-#define AUDIO_ENCODING_LINEAR   (3)     /* Linear PCM encoding    */
-#define AUDIO_ENCODING_FLOAT    (4)     /* IEEE float (-1. <-> +1.) */
-#define AUDIO_ENCODING_DVI      (104)   /* DVI ADPCM              */
-#define AUDIO_ENCODING_LINEAR8  (105)   /* 8 bit UNSIGNED         */
-#define AUDIO_ENCODING_LINEARLE (106)   /* Linear PCM LE encoding */
-
-/*
- * These ranges apply to record, play, and monitor gain values
- */
-#define AUDIO_MIN_GAIN  (0)     /* minimum gain value */
-#define AUDIO_MAX_GAIN  (255)   /* maximum gain value */
-
-/*
- * These values apply to the balance field to adjust channel gain values
- */
-#define AUDIO_LEFT_BALANCE      (0)     /* left channel only    */
-#define AUDIO_MID_BALANCE       (32)    /* equal left/right channel */
-#define AUDIO_RIGHT_BALANCE     (64)    /* right channel only   */
-#define AUDIO_BALANCE_SHIFT     (3)
-
-/*
- * Generic minimum/maximum limits for number of channels, both modes
- */
-#define AUDIO_MIN_PLAY_CHANNELS (1)
-#define AUDIO_MAX_PLAY_CHANNELS (4)
-#define AUDIO_MIN_REC_CHANNELS  (1)
-#define AUDIO_MAX_REC_CHANNELS  (4)
-
-/*
- * Generic minimum/maximum limits for sample precision
- */
-#define AUDIO_MIN_PLAY_PRECISION        (8)
-#define AUDIO_MAX_PLAY_PRECISION        (32)
-#define AUDIO_MIN_REC_PRECISION         (8)
-#define AUDIO_MAX_REC_PRECISION         (32)
-
-/*
- * Define some convenient names for typical audio ports
- */
-/*
- * output ports (several may be enabled simultaneously)
- */
-#define AUDIO_SPEAKER           0x01    /* output to built-in speaker */
-#define AUDIO_HEADPHONE         0x02    /* output to headphone jack */
-#define AUDIO_LINE_OUT          0x04    /* output to line out    */
-
-/*
- * input ports (usually only one at a time)
- */
-#define AUDIO_MICROPHONE        0x01    /* input from microphone */
-#define AUDIO_LINE_IN           0x02    /* input from line in    */
-#define AUDIO_CD                0x04    /* input from on-board CD inputs */
-#define AUDIO_INTERNAL_CD_IN    AUDIO_CD        /* input from internal CDROM */
-#define AUDIO_ANALOG_LOOPBACK   0x40    /* input from output */
-
-
-/*
- * This macro initializes an audio_info structure to 'harmless' values.
- * Note that (~0) might not be a harmless value for a flag that was
- * a signed int.
- */
-#define AUDIO_INITINFO(i)       {                                       \
-        unsigned int    *__x__;                                         \
-        for (__x__ = (unsigned int *)(i);                               \
-            (char *) __x__ < (((char *)(i)) + sizeof (audio_info_t));   \
-            *__x__++ = ~0);                                             \
-}
-
-/*
- * These allow testing for what the user wants to set 
- */
-#define AUD_INITVALUE   (~0)
-#define Modify(X)       ((unsigned int)(X) != AUD_INITVALUE)
-#define Modifys(X)      ((X) != (unsigned short)AUD_INITVALUE)
-#define Modifyc(X)      ((X) != (unsigned char)AUD_INITVALUE)
-
-/*
- * Parameter for the AUDIO_GETDEV ioctl to determine current
- * audio devices.
- */
-#define MAX_AUDIO_DEV_LEN       (16)
-typedef struct audio_device {
-        char name[MAX_AUDIO_DEV_LEN];
-        char version[MAX_AUDIO_DEV_LEN];
-        char config[MAX_AUDIO_DEV_LEN];
-} audio_device_t;
-
-
-/*
- * Ioctl calls for the audio device.
- */
-
-/*
- * AUDIO_GETINFO retrieves the current state of the audio device.
- *
- * AUDIO_SETINFO copies all fields of the audio_info structure whose
- * values are not set to the initialized value (-1) to the device state.
- * It performs an implicit AUDIO_GETINFO to return the new state of the
- * device.  Note that the record.samples and play.samples fields are set
- * to the last value before the AUDIO_SETINFO took effect.  This allows
- * an application to reset the counters while atomically retrieving the
- * last value.
- *
- * AUDIO_DRAIN suspends the calling process until the write buffers are
- * empty.
- *
- * AUDIO_GETDEV returns a structure of type audio_device_t which contains
- * three strings.  The string "name" is a short identifying string (for
- * example, the SBus Fcode name string), the string "version" identifies
- * the current version of the device, and the "config" string identifies
- * the specific configuration of the audio stream.  All fields are
- * device-dependent -- see the device specific manual pages for details.
- *
- * AUDIO_GETDEV_SUNOS returns a number which is an audio device defined 
- * herein (making it not too portable)
- *
- * AUDIO_FLUSH stops all playback and recording, clears all queued buffers, 
- * resets error counters, and restarts recording and playback as appropriate
- * for the current sampling mode.
- */
-#define AUDIO_GETINFO   _IOR('A', 1, audio_info_t)
-#define AUDIO_SETINFO   _IOWR('A', 2, audio_info_t)
-#define AUDIO_DRAIN     _IO('A', 3)
-#define AUDIO_GETDEV    _IOR('A', 4, audio_device_t)
-#define AUDIO_GETDEV_SUNOS      _IOR('A', 4, int)
-#define AUDIO_FLUSH     _IO('A', 5)
-
-/* Define possible audio hardware configurations for 
- * old SunOS-style AUDIO_GETDEV ioctl */
-#define AUDIO_DEV_UNKNOWN       (0)     /* not defined */
-#define AUDIO_DEV_AMD           (1)     /* audioamd device */
-#define AUDIO_DEV_SPEAKERBOX    (2)     /* dbri device with speakerbox */
-#define AUDIO_DEV_CODEC         (3)     /* dbri device (internal speaker) */
-#define AUDIO_DEV_CS4231        (5)     /* cs4231 device */
-
-/*
- * The following ioctl sets the audio device into an internal loopback mode,
- * if the hardware supports this.  The argument is TRUE to set loopback,
- * FALSE to reset to normal operation.  If the hardware does not support
- * internal loopback, the ioctl should fail with EINVAL.
- * Causes ADC data to be digitally mixed in and sent to the DAC.
- */
-#define AUDIO_DIAG_LOOPBACK     _IOW('A', 101, int)
-
-#endif /* _AUDIOIO_H_ */
diff --git a/include/asm-sparc64/ebus.h b/include/asm-sparc64/ebus.h
index 543e4e500a72..7a408a030f52 100644
--- a/include/asm-sparc64/ebus.h
+++ b/include/asm-sparc64/ebus.h
@@ -79,6 +79,7 @@ extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
                             size_t len);
 extern void ebus_dma_prepare(struct ebus_dma_info *p, int write);
 extern unsigned int ebus_dma_residue(struct ebus_dma_info *p);
+extern unsigned int ebus_dma_addr(struct ebus_dma_info *p);
 extern void ebus_dma_enable(struct ebus_dma_info *p, int on);
 
 extern struct linux_ebus                *ebus_chain;
diff --git a/include/asm-sparc64/kbio.h b/include/asm-sparc64/kbio.h
deleted file mode 100644
index 3cf496bdf399..000000000000
--- a/include/asm-sparc64/kbio.h
+++ /dev/null
@@ -1,56 +0,0 @@
-#ifndef __LINUX_KBIO_H
-#define __LINUX_KBIO_H
-
-/* Return keyboard type */
-#define KIOCTYPE    _IOR('k', 9, int)
-/* Return Keyboard layout */
-#define KIOCLAYOUT  _IOR('k', 20, int)
-
-enum {
-    TR_NONE,
-    TR_ASCII,                   /* keyboard is in regular state */
-    TR_EVENT,                   /* keystrokes sent as firm events */
-    TR_UNTRANS_EVENT            /* EVENT+up and down+no translation */
-};
-
-/* Return the current keyboard translation */
-#define KIOCGTRANS  _IOR('k', 5, int)
-/* Set the keyboard translation */
-#define KIOCTRANS   _IOW('k', 0, int)
-
-/* Send a keyboard command */
-#define KIOCCMD     _IOW('k', 8, int)
-
-/* Return if keystrokes are being sent to /dev/kbd */
-
-/* Set routing of keystrokes to /dev/kbd */
-#define KIOCSDIRECT _IOW('k', 10, int)
-
-/* Set keyboard leds */
-#define KIOCSLED    _IOW('k', 14, unsigned char)
-
-/* Get keyboard leds */
-#define KIOCGLED    _IOR('k', 15, unsigned char)
-
-/* Used by KIOC[GS]RATE */
-struct kbd_rate {
-        unsigned char delay;    /* Delay in Hz before first repeat.     */
-        unsigned char rate;     /* In characters per second (0..50).    */
-};
-
-/* Set keyboard rate */
-#define KIOCSRATE   _IOW('k', 40, struct kbd_rate)
-
-/* Get keyboard rate */
-#define KIOCGRATE   _IOW('k', 41, struct kbd_rate)
-
-/* Top bit records if the key is up or down */
-#define KBD_UP      0x80
-
-/* Usable information */
-#define KBD_KEYMASK 0x7f
-
-/* All keys up */
-#define KBD_IDLE    0x75
-
-#endif /* __LINUX_KBIO_H */
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 87c43c67866e..08ba72d7722c 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -87,37 +87,35 @@ extern void __flush_tlb_mm(unsigned long, unsigned long);
 static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk)
 {
         unsigned long ctx_valid;
+        int cpu;
 
+        /* Note: page_table_lock is used here to serialize switch_mm
+         * and activate_mm, and their calls to get_new_mmu_context.
+         * This use of page_table_lock is unrelated to its other uses.
+         */ 
         spin_lock(&mm->page_table_lock);
-        if (CTX_VALID(mm->context))
-                ctx_valid = 1;
-        else
-                ctx_valid = 0;
+        ctx_valid = CTX_VALID(mm->context);
+        if (!ctx_valid)
+                get_new_mmu_context(mm);
+        spin_unlock(&mm->page_table_lock);
 
         if (!ctx_valid || (old_mm != mm)) {
-                if (!ctx_valid)
-                        get_new_mmu_context(mm);
-
                 load_secondary_context(mm);
                 reload_tlbmiss_state(tsk, mm);
         }
 
-        {
-                int cpu = smp_processor_id();
-
-                /* Even if (mm == old_mm) we _must_ check
-                 * the cpu_vm_mask.  If we do not we could
-                 * corrupt the TLB state because of how
-                 * smp_flush_tlb_{page,range,mm} on sparc64
-                 * and lazy tlb switches work. -DaveM
-                 */
-                if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) {
-                        cpu_set(cpu, mm->cpu_vm_mask);
-                        __flush_tlb_mm(CTX_HWBITS(mm->context),
-                                       SECONDARY_CONTEXT);
-                }
+        /* Even if (mm == old_mm) we _must_ check
+         * the cpu_vm_mask.  If we do not we could
+         * corrupt the TLB state because of how
+         * smp_flush_tlb_{page,range,mm} on sparc64
+         * and lazy tlb switches work. -DaveM
+         */
+        cpu = smp_processor_id();
+        if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) {
+                cpu_set(cpu, mm->cpu_vm_mask);
+                __flush_tlb_mm(CTX_HWBITS(mm->context),
+                               SECONDARY_CONTEXT);
         }
-        spin_unlock(&mm->page_table_lock);
 }
 
 #define deactivate_mm(tsk,mm)   do { } while (0)
@@ -127,6 +125,10 @@ static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm
 {
         int cpu;
 
+        /* Note: page_table_lock is used here to serialize switch_mm
+         * and activate_mm, and their calls to get_new_mmu_context.
+         * This use of page_table_lock is unrelated to its other uses.
+         */ 
         spin_lock(&mm->page_table_lock);
         if (!CTX_VALID(mm->context))
                 get_new_mmu_context(mm);
diff --git a/include/asm-sparc64/termios.h b/include/asm-sparc64/termios.h
index 9777a9cca88a..ee26a071c677 100644
--- a/include/asm-sparc64/termios.h
+++ b/include/asm-sparc64/termios.h
@@ -38,15 +38,6 @@ struct sunos_ttysize {
         int st_columns; /* Columns on the terminal */
 };
 
-/* Used for packet mode */
-#define TIOCPKT_DATA             0
-#define TIOCPKT_FLUSHREAD        1
-#define TIOCPKT_FLUSHWRITE       2
-#define TIOCPKT_STOP             4
-#define TIOCPKT_START            8
-#define TIOCPKT_NOSTOP          16
-#define TIOCPKT_DOSTOP          32
-
 struct winsize {
         unsigned short ws_row;
         unsigned short ws_col;
diff --git a/include/asm-sparc64/tlb.h b/include/asm-sparc64/tlb.h
index 66138d959df5..61c01882b562 100644
--- a/include/asm-sparc64/tlb.h
+++ b/include/asm-sparc64/tlb.h
@@ -58,11 +58,9 @@ static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned i
 static inline void tlb_flush_mmu(struct mmu_gather *mp)
 {
         if (mp->need_flush) {
+                free_pages_and_swap_cache(mp->pages, mp->pages_nr);
+                mp->pages_nr = 0;
                 mp->need_flush = 0;
-                if (!tlb_fast_mode(mp)) {
-                        free_pages_and_swap_cache(mp->pages, mp->pages_nr);
-                        mp->pages_nr = 0;
-                }
         }
 
 }
@@ -78,11 +76,9 @@ static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, un
 {
         tlb_flush_mmu(mp);
 
-        if (mp->fullmm) {
-                if (CTX_VALID(mp->mm->context))
-                        do_flush_tlb_mm(mp->mm);
+        if (mp->fullmm)
                 mp->fullmm = 0;
-        } else
+        else
                 flush_tlb_pending();
 
         /* keep the page table cache within bounds */
@@ -93,11 +89,11 @@ static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, un
 
 static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page)
 {
-        mp->need_flush = 1;
         if (tlb_fast_mode(mp)) {
                 free_page_and_swap_cache(page);
                 return;
         }
+        mp->need_flush = 1;
         mp->pages[mp->pages_nr++] = page;
         if (mp->pages_nr >= FREE_PTE_NR)
                 tlb_flush_mmu(mp);
diff --git a/include/asm-sparc64/vuid_event.h b/include/asm-sparc64/vuid_event.h
deleted file mode 100644
index 9ef4d17ad08f..000000000000
--- a/include/asm-sparc64/vuid_event.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* SunOS Virtual User Input Device (VUID) compatibility */
-
-typedef struct firm_event {
-        unsigned short id;        /* tag for this event */
-        unsigned char  pair_type; /* unused by X11 */
-        unsigned char  pair;      /* unused by X11 */
-        int            value;     /* VKEY_UP, VKEY_DOWN or delta */
-        struct timeval time;
-} Firm_event;
-
-enum {
-    FE_PAIR_NONE,
-    FE_PAIR_SET,
-    FE_PAIR_DELTA,
-    FE_PAIR_ABSOLUTE
-};
-
-/* VUID stream formats */
-#define VUID_NATIVE     0       /* Native byte stream format */
-#define VUID_FIRM_EVENT 1       /* send firm_event structures */
-
-/* ioctls */
-    /* Set input device byte stream format (any of VUID_{NATIVE,FIRM_EVENT}) */
-#define VUIDSFORMAT   _IOW('v', 1, int)
-    /* Retrieve input device byte stream format */
-#define VUIDGFORMAT   _IOR('v', 2, int)
-
-/* Possible tag values */
-/*    mouse buttons: */
-#define MS_LEFT         0x7f20
-#define MS_MIDDLE       0x7f21
-#define MS_RIGHT        0x7f22
-/*    motion: */
-#define LOC_X_DELTA     0x7f80
-#define LOC_Y_DELTA     0x7f81
-#define LOC_X_ABSOLUTE  0x7f82  /* X compat, unsupported */
-#define LOC_Y_ABSOLUTE  0x7f83  /* X compat, unsupported */
-
-#define VKEY_UP   0
-#define VKEY_DOWN 1
diff --git a/kernel/fork.c b/kernel/fork.c
index efac2c58ec7d..158710d22566 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -470,13 +470,6 @@ static int copy_mm(unsigned long clone_flags, struct task_struct * tsk)
         if (clone_flags & CLONE_VM) {
                 atomic_inc(&oldmm->mm_users);
                 mm = oldmm;
-                /*
-                 * There are cases where the PTL is held to ensure no
-                 * new threads start up in user mode using an mm, which
-                 * allows optimizing out ipis; the tlb_gather_mmu code
-                 * is an example.
-                 */
-                spin_unlock_wait(&oldmm->page_table_lock);
                 goto good_mm;
         }
 
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index f4361c518e46..1f8d27a6152e 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -61,13 +61,37 @@ MODULE_DESCRIPTION("Sun CS4231");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}");
 
-typedef struct snd_cs4231 {
-        spinlock_t              lock;
-        void __iomem            *port;
+#ifdef SBUS_SUPPORT
+typedef struct sbus_dma_info {
+       spinlock_t      lock;
+       int             dir;
+       void __iomem    *regs;
+} sbus_dma_info_t;
+#endif
+
+typedef struct snd_cs4231 cs4231_t;
+
+typedef struct cs4231_dma_control {
+        void            (*prepare)(struct cs4231_dma_control *dma_cont, int dir);
+        void            (*enable)(struct cs4231_dma_control *dma_cont, int on);
+        int             (*request)(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len);
+        unsigned int    (*address)(struct cs4231_dma_control *dma_cont);
+        void            (*reset)(cs4231_t *chip); 
+        void            (*preallocate)(cs4231_t *chip, snd_pcm_t *pcm); 
 #ifdef EBUS_SUPPORT
-        struct ebus_dma_info    eb2c;
-        struct ebus_dma_info    eb2p;
+        struct          ebus_dma_info   ebus_info;
+#endif
+#ifdef SBUS_SUPPORT
+        struct          sbus_dma_info   sbus_info;
 #endif
+} cs4231_dma_control_t;
+
+struct snd_cs4231 {
+        spinlock_t              lock;
+        void __iomem            *port;
+
+        cs4231_dma_control_t    p_dma;
+        cs4231_dma_control_t    c_dma;
 
         u32                     flags;
 #define CS4231_FLAG_EBUS        0x00000001
@@ -106,7 +130,7 @@ typedef struct snd_cs4231 {
         unsigned int            irq[2];
         unsigned int            regs_size;
         struct snd_cs4231       *next;
-} cs4231_t;
+};
 
 static cs4231_t *cs4231_list;
 
@@ -251,6 +275,15 @@ static cs4231_t *cs4231_list;
 #define APCPNVA 0x38UL  /* APC Play DMA Next Address */
 #define APCPNC  0x3cUL  /* APC Play Next Count */
 
+/* Defines for SBUS DMA-routines */
+
+#define APCVA  0x0UL    /* APC DMA Address */
+#define APCC   0x4UL    /* APC Count */
+#define APCNVA 0x8UL    /* APC DMA Next Address */
+#define APCNC  0xcUL    /* APC Next Count */
+#define APC_PLAY 0x30UL /* Play registers start at 0x30 */
+#define APC_RECORD 0x20UL /* Record registers start at 0x20 */
+
 /* APCCSR bits */
 
 #define APC_INT_PENDING 0x800000 /* Interrupt Pending */
@@ -569,8 +602,7 @@ static void snd_cs4231_mce_down(cs4231_t *chip)
         spin_unlock_irqrestore(&chip->lock, flags);
 }
 
-#ifdef EBUS_SUPPORT
-static void snd_cs4231_ebus_advance_dma(struct ebus_dma_info *p, snd_pcm_substream_t *substream, unsigned int *periods_sent)
+static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont, snd_pcm_substream_t *substream, unsigned int *periods_sent)
 {
         snd_pcm_runtime_t *runtime = substream->runtime;
 
@@ -581,129 +613,41 @@ static void snd_cs4231_ebus_advance_dma(struct ebus_dma_info *p, snd_pcm_substre
                 if (period_size >= (1 << 24))
                         BUG();
 
-                if (ebus_dma_request(p, runtime->dma_addr + offset, period_size))
+                if (dma_cont->request(dma_cont, runtime->dma_addr + offset, period_size))
                         return;
                 (*periods_sent) = ((*periods_sent) + 1) % runtime->periods;
         }
 }
-#endif
-
-#ifdef SBUS_SUPPORT
-static void snd_cs4231_sbus_advance_dma(snd_pcm_substream_t *substream, unsigned int *periods_sent)
-{
-        cs4231_t *chip = snd_pcm_substream_chip(substream);
-        snd_pcm_runtime_t *runtime = substream->runtime;
-
-        unsigned int period_size = snd_pcm_lib_period_bytes(substream);
-        unsigned int offset = period_size * (*periods_sent % runtime->periods);
-
-        if (runtime->period_size > 0xffff + 1)
-                BUG();
-
-        switch (substream->stream) {
-        case SNDRV_PCM_STREAM_PLAYBACK:
-                sbus_writel(runtime->dma_addr + offset, chip->port + APCPNVA);
-                sbus_writel(period_size, chip->port + APCPNC);
-                break;
-        case SNDRV_PCM_STREAM_CAPTURE:
-                sbus_writel(runtime->dma_addr + offset, chip->port + APCCNVA);
-                sbus_writel(period_size, chip->port + APCCNC);
-                break;
-        }
-
-        (*periods_sent) = (*periods_sent + 1) % runtime->periods;
-}
-#endif
 
 static void cs4231_dma_trigger(snd_pcm_substream_t *substream, unsigned int what, int on)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
+        cs4231_dma_control_t *dma_cont;
 
-#ifdef EBUS_SUPPORT
-        if (chip->flags & CS4231_FLAG_EBUS) {
-                if (what & CS4231_PLAYBACK_ENABLE) {
-                        if (on) {
-                                ebus_dma_prepare(&chip->eb2p, 0);
-                                ebus_dma_enable(&chip->eb2p, 1);
-                                snd_cs4231_ebus_advance_dma(&chip->eb2p,
-                                        chip->playback_substream,
-                                        &chip->p_periods_sent);
-                        } else {
-                                ebus_dma_enable(&chip->eb2p, 0);
-                        }
-                }
-                if (what & CS4231_RECORD_ENABLE) {
-                        if (on) {
-                                ebus_dma_prepare(&chip->eb2c, 1);
-                                ebus_dma_enable(&chip->eb2c, 1);
-                                snd_cs4231_ebus_advance_dma(&chip->eb2c,
-                                        chip->capture_substream,
-                                        &chip->c_periods_sent);
-                        } else {
-                                ebus_dma_enable(&chip->eb2c, 0);
-                        }
-                }
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-        u32 csr = sbus_readl(chip->port + APCCSR);
-        /* I don't know why, but on sbus the period counter must
-         * only start counting after the first period is sent.
-         * Therefore this dummy thing.
-         */
-        unsigned int dummy = 0;
-
-        switch (what) {
-        case CS4231_PLAYBACK_ENABLE:
+        if (what & CS4231_PLAYBACK_ENABLE) {
+                dma_cont = &chip->p_dma;
                 if (on) {
-                        csr &= ~APC_XINT_PLAY;
-                        sbus_writel(csr, chip->port + APCCSR);
-
-                        csr &= ~APC_PPAUSE;
-                        sbus_writel(csr, chip->port + APCCSR);
-
-                        snd_cs4231_sbus_advance_dma(substream, &dummy);
-
-                        csr |=  APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
-                                APC_XINT_PLAY | APC_XINT_EMPT | APC_XINT_GENL |
-                                APC_XINT_PENA | APC_PDMA_READY;
-                        sbus_writel(csr, chip->port + APCCSR);
+                        dma_cont->prepare(dma_cont, 0);
+                        dma_cont->enable(dma_cont, 1);
+                        snd_cs4231_advance_dma(dma_cont,
+                                chip->playback_substream,
+                                &chip->p_periods_sent);
                 } else {
-                        csr |= APC_PPAUSE;
-                        sbus_writel(csr, chip->port + APCCSR);
-
-                        csr &= ~APC_PDMA_READY;
-                        sbus_writel(csr, chip->port + APCCSR);
+                        dma_cont->enable(dma_cont, 0);
                 }
-                break;
-        case CS4231_RECORD_ENABLE:
+        }
+        if (what & CS4231_RECORD_ENABLE) {
+                dma_cont = &chip->c_dma;
                 if (on) {
-                        csr &= ~APC_XINT_CAPT;
-                        sbus_writel(csr, chip->port + APCCSR);
-
-                        csr &= ~APC_CPAUSE;
-                        sbus_writel(csr, chip->port + APCCSR);
-
-                        snd_cs4231_sbus_advance_dma(substream, &dummy);
-
-                        csr |=  APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
-                                APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL |
-                                APC_CDMA_READY;
-
-                        sbus_writel(csr, chip->port + APCCSR);
+                        dma_cont->prepare(dma_cont, 1);
+                        dma_cont->enable(dma_cont, 1);
+                        snd_cs4231_advance_dma(dma_cont,
+                                chip->capture_substream,
+                                &chip->c_periods_sent);
                 } else {
-                        csr |= APC_CPAUSE;
-                        sbus_writel(csr, chip->port + APCCSR);
-
-                        csr &= ~APC_CDMA_READY;
-                        sbus_writel(csr, chip->port + APCCSR);
+                        dma_cont->enable(dma_cont, 0);
                 }
-                break;
-        }
-#endif
-#ifdef EBUS_SUPPORT
         }
-#endif
 }
 
 static int snd_cs4231_trigger(snd_pcm_substream_t *substream, int cmd)
@@ -1136,10 +1080,7 @@ static int snd_cs4231_playback_prepare(snd_pcm_substream_t *substream)
         if (runtime->period_size > 0xffff + 1)
                 BUG();
 
-        snd_cs4231_out(chip, CS4231_PLY_LWR_CNT, (runtime->period_size - 1) & 0x00ff);
-        snd_cs4231_out(chip, CS4231_PLY_UPR_CNT, (runtime->period_size - 1) >> 8 & 0x00ff);
         chip->p_periods_sent = 0;
-
         spin_unlock_irqrestore(&chip->lock, flags);
 
         return 0;
@@ -1171,16 +1112,14 @@ static int snd_cs4231_capture_hw_free(snd_pcm_substream_t *substream)
 static int snd_cs4231_capture_prepare(snd_pcm_substream_t *substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
-        snd_pcm_runtime_t *runtime = substream->runtime;
         unsigned long flags;
 
         spin_lock_irqsave(&chip->lock, flags);
         chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE |
                                             CS4231_RECORD_PIO);
 
-        snd_cs4231_out(chip, CS4231_REC_LWR_CNT, (runtime->period_size - 1) & 0x00ff);
-        snd_cs4231_out(chip, CS4231_REC_LWR_CNT, (runtime->period_size - 1) >> 8 & 0x00ff);
 
+        chip->c_periods_sent = 0;
         spin_unlock_irqrestore(&chip->lock, flags);
 
         return 0;
@@ -1199,134 +1138,55 @@ static void snd_cs4231_overrange(cs4231_t *chip)
                 chip->capture_substream->runtime->overrange++;
 }
 
-static irqreturn_t snd_cs4231_generic_interrupt(cs4231_t *chip)
-{
-        unsigned long flags;
-        unsigned char status;
-
-        /*This is IRQ is not raised by the cs4231*/
-        if (!(__cs4231_readb(chip, CS4231P(chip, STATUS)) & CS4231_GLOBALIRQ))
-                return IRQ_NONE;
-
-        status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
-
-        if (status & CS4231_TIMER_IRQ) {
-                if (chip->timer)
-                        snd_timer_interrupt(chip->timer, chip->timer->sticks);
-        }               
-
-        if (status & CS4231_RECORD_IRQ)
-                snd_cs4231_overrange(chip);
-
-        /* ACK the CS4231 interrupt. */
-        spin_lock_irqsave(&chip->lock, flags);
-        snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0);
-        spin_unlock_irqrestore(&chip->lock, flags);
-
-        return 0;
-}
-
-#ifdef SBUS_SUPPORT
-static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
-        cs4231_t *chip = dev_id;
-
-        /* ACK the APC interrupt. */
-        u32 csr = sbus_readl(chip->port + APCCSR);
-
-        sbus_writel(csr, chip->port + APCCSR);
-
-        if ((chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) &&
-            (csr & APC_PLAY_INT) &&
-            (csr & APC_XINT_PNVA) &&
-            !(csr & APC_XINT_EMPT)) {
-                snd_cs4231_sbus_advance_dma(chip->playback_substream,
-                                            &chip->p_periods_sent);
-                snd_pcm_period_elapsed(chip->playback_substream);
-        }
-
-        if ((chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) &&
-            (csr & APC_CAPT_INT) &&
-            (csr & APC_XINT_CNVA)) {
-                snd_cs4231_sbus_advance_dma(chip->capture_substream,
-                                            &chip->c_periods_sent);
-                snd_pcm_period_elapsed(chip->capture_substream);
-        }
-
-        return snd_cs4231_generic_interrupt(chip);
-}
-#endif
-
-#ifdef EBUS_SUPPORT
-static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event, void *cookie)
+static void snd_cs4231_play_callback(cs4231_t *cookie)
 {
         cs4231_t *chip = cookie;
 
         if (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) {
                 snd_pcm_period_elapsed(chip->playback_substream);
-                snd_cs4231_ebus_advance_dma(p, chip->playback_substream,
+                snd_cs4231_advance_dma(&chip->p_dma, chip->playback_substream,
                                             &chip->p_periods_sent);
         }
 }
 
-static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p, int event, void *cookie)
+static void snd_cs4231_capture_callback(cs4231_t *cookie)
 {
         cs4231_t *chip = cookie;
 
         if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) {
                 snd_pcm_period_elapsed(chip->capture_substream);
-                snd_cs4231_ebus_advance_dma(p, chip->capture_substream,
+                snd_cs4231_advance_dma(&chip->c_dma, chip->capture_substream,
                                             &chip->c_periods_sent);
         }
 }
-#endif
 
 static snd_pcm_uframes_t snd_cs4231_playback_pointer(snd_pcm_substream_t *substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
-        size_t ptr, residue, period_bytes;
-
+        cs4231_dma_control_t *dma_cont = &chip->p_dma;
+        size_t ptr;
+        
         if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE))
                 return 0;
-        period_bytes = snd_pcm_lib_period_bytes(substream);
-        ptr = period_bytes * chip->p_periods_sent;
-#ifdef EBUS_SUPPORT
-        if (chip->flags & CS4231_FLAG_EBUS) {
-                residue = ebus_dma_residue(&chip->eb2p);
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-                residue = sbus_readl(chip->port + APCPC);
-#endif
-#ifdef EBUS_SUPPORT
-        }
-#endif
-        ptr += period_bytes - residue;
-
+        ptr = dma_cont->address(dma_cont);
+        if (ptr != 0)
+                ptr -= substream->runtime->dma_addr;
+        
         return bytes_to_frames(substream->runtime, ptr);
 }
 
 static snd_pcm_uframes_t snd_cs4231_capture_pointer(snd_pcm_substream_t * substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
-        size_t ptr, residue, period_bytes;
+        cs4231_dma_control_t *dma_cont = &chip->c_dma;
+        size_t ptr;
         
         if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE))
                 return 0;
-        period_bytes = snd_pcm_lib_period_bytes(substream);
-        ptr = period_bytes * chip->c_periods_sent;
-#ifdef EBUS_SUPPORT
-        if (chip->flags & CS4231_FLAG_EBUS) {
-                residue = ebus_dma_residue(&chip->eb2c);
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-                residue = sbus_readl(chip->port + APCCC);
-#endif
-#ifdef EBUS_SUPPORT
-        }
-#endif
-        ptr += period_bytes - residue;
+        ptr = dma_cont->address(dma_cont);
+        if (ptr != 0)
+                ptr -= substream->runtime->dma_addr;
+        
         return bytes_to_frames(substream->runtime, ptr);
 }
 
@@ -1362,30 +1222,8 @@ static int snd_cs4231_probe(cs4231_t *chip)
         spin_lock_irqsave(&chip->lock, flags);
 
 
-        /* Reset DMA engine.  */
-#ifdef EBUS_SUPPORT
-        if (chip->flags & CS4231_FLAG_EBUS) {
-                /* Done by ebus_dma_register */
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-                sbus_writel(APC_CHIP_RESET, chip->port + APCCSR);
-                sbus_writel(0x00, chip->port + APCCSR);
-                sbus_writel(sbus_readl(chip->port + APCCSR) | APC_CDC_RESET,
-                            chip->port + APCCSR);
-  
-                udelay(20);
-  
-                sbus_writel(sbus_readl(chip->port + APCCSR) & ~APC_CDC_RESET,
-                            chip->port + APCCSR);
-                sbus_writel(sbus_readl(chip->port + APCCSR) | (APC_XINT_ENA |
-                                                               APC_XINT_PENA |
-                                                               APC_XINT_CENA),
-                            chip->port + APCCSR);
-#endif
-#ifdef EBUS_SUPPORT
-        }
-#endif
+        /* Reset DMA engine (sbus only).  */
+        chip->p_dma.reset(chip);
 
         __cs4231_readb(chip, CS4231P(chip, STATUS));    /* clear any pendings IRQ */
         __cs4231_writeb(chip, 0, CS4231P(chip, STATUS));
@@ -1505,8 +1343,8 @@ static int snd_cs4231_playback_close(snd_pcm_substream_t *substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
 
-        chip->playback_substream = NULL;
         snd_cs4231_close(chip, CS4231_MODE_PLAY);
+        chip->playback_substream = NULL;
 
         return 0;
 }
@@ -1515,8 +1353,8 @@ static int snd_cs4231_capture_close(snd_pcm_substream_t *substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
 
-        chip->capture_substream = NULL;
         snd_cs4231_close(chip, CS4231_MODE_RECORD);
+        chip->capture_substream = NULL;
 
         return 0;
 }
@@ -1571,21 +1409,7 @@ int snd_cs4231_pcm(cs4231_t *chip)
         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
         strcpy(pcm->name, "CS4231");
 
-#ifdef EBUS_SUPPORT
-        if (chip->flags & CS4231_FLAG_EBUS) {
-                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-                                                      snd_dma_pci_data(chip->dev_u.pdev),
-                                                      64*1024, 128*1024);
-        } else {
-#endif
-#ifdef SBUS_SUPPORT
-                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
-                                                      snd_dma_sbus_data(chip->dev_u.sdev),
-                                                      64*1024, 128*1024);
-#endif
-#ifdef EBUS_SUPPORT
-        }
-#endif
+        chip->p_dma.preallocate(chip, pcm);
 
         chip->pcm = pcm;
 
@@ -1942,6 +1766,180 @@ out_err:
 }
 
 #ifdef SBUS_SUPPORT
+
+static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+        unsigned long flags;
+        unsigned char status;
+        u32 csr;
+        cs4231_t *chip = dev_id;
+
+        /*This is IRQ is not raised by the cs4231*/
+        if (!(__cs4231_readb(chip, CS4231P(chip, STATUS)) & CS4231_GLOBALIRQ))
+                return IRQ_NONE;
+
+        /* ACK the APC interrupt. */
+        csr = sbus_readl(chip->port + APCCSR);
+
+        sbus_writel(csr, chip->port + APCCSR);
+
+        if ((csr & APC_PDMA_READY) && 
+            (csr & APC_PLAY_INT) &&
+            (csr & APC_XINT_PNVA) &&
+            !(csr & APC_XINT_EMPT))
+                        snd_cs4231_play_callback(chip);
+
+        if ((csr & APC_CDMA_READY) && 
+            (csr & APC_CAPT_INT) &&
+            (csr & APC_XINT_CNVA) &&
+            !(csr & APC_XINT_EMPT))
+                        snd_cs4231_capture_callback(chip);
+        
+        status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
+
+        if (status & CS4231_TIMER_IRQ) {
+                if (chip->timer)
+                        snd_timer_interrupt(chip->timer, chip->timer->sticks);
+        }               
+
+        if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY))
+                snd_cs4231_overrange(chip);
+
+        /* ACK the CS4231 interrupt. */
+        spin_lock_irqsave(&chip->lock, flags);
+        snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0);
+        spin_unlock_irqrestore(&chip->lock, flags);
+
+        return 0;
+}
+
+/*
+ * SBUS DMA routines
+ */
+
+int sbus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len)
+{
+        unsigned long flags;
+        u32 test, csr;
+        int err;
+        sbus_dma_info_t *base = &dma_cont->sbus_info;
+        
+        if (len >= (1 << 24))
+                return -EINVAL;
+        spin_lock_irqsave(&base->lock, flags);
+        csr = sbus_readl(base->regs + APCCSR);
+        err = -EINVAL;
+        test = APC_CDMA_READY;
+        if ( base->dir == APC_PLAY )
+                test = APC_PDMA_READY;
+        if (!(csr & test))
+                goto out;
+        err = -EBUSY;
+        csr = sbus_readl(base->regs + APCCSR);
+        test = APC_XINT_CNVA;
+        if ( base->dir == APC_PLAY )
+                test = APC_XINT_PNVA;
+        if (!(csr & test))
+                goto out;
+        err = 0;
+        sbus_writel(bus_addr, base->regs + base->dir + APCNVA);
+        sbus_writel(len, base->regs + base->dir + APCNC);
+out:
+        spin_unlock_irqrestore(&base->lock, flags);
+        return err;
+}
+
+void sbus_dma_prepare(struct cs4231_dma_control *dma_cont, int d)
+{
+        unsigned long flags;
+        u32 csr, test;
+        sbus_dma_info_t *base = &dma_cont->sbus_info;
+
+        spin_lock_irqsave(&base->lock, flags);
+        csr = sbus_readl(base->regs + APCCSR);
+        test =  APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
+                APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL |
+                 APC_XINT_PENA;
+        if ( base->dir == APC_RECORD )
+                test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
+                        APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL;
+        csr |= test;
+        sbus_writel(csr, base->regs + APCCSR);
+        spin_unlock_irqrestore(&base->lock, flags);
+}
+
+void sbus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
+{
+        unsigned long flags;
+        u32 csr, shift;
+        sbus_dma_info_t *base = &dma_cont->sbus_info;
+
+        spin_lock_irqsave(&base->lock, flags);
+        if (!on) {
+                if (base->dir == APC_PLAY) { 
+                        sbus_writel(0, base->regs + base->dir + APCNVA); 
+                        sbus_writel(1, base->regs + base->dir + APCC); 
+                }
+                else
+                {
+                        sbus_writel(0, base->regs + base->dir + APCNC); 
+                        sbus_writel(0, base->regs + base->dir + APCVA); 
+                } 
+        } 
+        udelay(600); 
+        csr = sbus_readl(base->regs + APCCSR);
+        shift = 0;
+        if ( base->dir == APC_PLAY )
+                shift = 1;
+        if (on)
+                csr &= ~(APC_CPAUSE << shift);
+        else
+                csr |= (APC_CPAUSE << shift); 
+        sbus_writel(csr, base->regs + APCCSR);
+        if (on)
+                csr |= (APC_CDMA_READY << shift);
+        else
+                csr &= ~(APC_CDMA_READY << shift);
+        sbus_writel(csr, base->regs + APCCSR);
+        
+        spin_unlock_irqrestore(&base->lock, flags);
+}
+
+unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont)
+{
+        sbus_dma_info_t *base = &dma_cont->sbus_info;
+
+        return sbus_readl(base->regs + base->dir + APCVA);
+}
+
+void sbus_dma_reset(cs4231_t *chip)
+{
+        sbus_writel(APC_CHIP_RESET, chip->port + APCCSR);
+        sbus_writel(0x00, chip->port + APCCSR);
+        sbus_writel(sbus_readl(chip->port + APCCSR) | APC_CDC_RESET,
+                    chip->port + APCCSR);
+  
+        udelay(20);
+  
+        sbus_writel(sbus_readl(chip->port + APCCSR) & ~APC_CDC_RESET,
+                    chip->port + APCCSR);
+        sbus_writel(sbus_readl(chip->port + APCCSR) | (APC_XINT_ENA |
+                       APC_XINT_PENA |
+                       APC_XINT_CENA),
+                       chip->port + APCCSR);
+}
+
+void sbus_dma_preallocate(cs4231_t *chip, snd_pcm_t *pcm)
+{
+        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
+                                              snd_dma_sbus_data(chip->dev_u.sdev),
+                                              64*1024, 128*1024);
+}
+
+/*
+ * Init and exit routines
+ */
+
 static int snd_cs4231_sbus_free(cs4231_t *chip)
 {
         if (chip->irq[0])
@@ -1983,6 +1981,8 @@ static int __init snd_cs4231_sbus_create(snd_card_t *card,
                 return -ENOMEM;
 
         spin_lock_init(&chip->lock);
+        spin_lock_init(&chip->c_dma.sbus_info.lock);
+        spin_lock_init(&chip->p_dma.sbus_info.lock);
         init_MUTEX(&chip->mce_mutex);
         init_MUTEX(&chip->open_mutex);
         chip->card = card;
@@ -1998,6 +1998,25 @@ static int __init snd_cs4231_sbus_create(snd_card_t *card,
                 return -EIO;
         }
 
+        chip->c_dma.sbus_info.regs = chip->port;
+        chip->p_dma.sbus_info.regs = chip->port;
+        chip->c_dma.sbus_info.dir = APC_RECORD;
+        chip->p_dma.sbus_info.dir = APC_PLAY;
+
+        chip->p_dma.prepare = sbus_dma_prepare;
+        chip->p_dma.enable = sbus_dma_enable;
+        chip->p_dma.request = sbus_dma_request;
+        chip->p_dma.address = sbus_dma_addr;
+        chip->p_dma.reset = sbus_dma_reset;
+        chip->p_dma.preallocate = sbus_dma_preallocate;
+
+        chip->c_dma.prepare = sbus_dma_prepare;
+        chip->c_dma.enable = sbus_dma_enable;
+        chip->c_dma.request = sbus_dma_request;
+        chip->c_dma.address = sbus_dma_addr;
+        chip->c_dma.reset = sbus_dma_reset;
+        chip->c_dma.preallocate = sbus_dma_preallocate;
+
         if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt,
                         SA_SHIRQ, "cs4231", chip)) {
                 snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %s\n",
@@ -2051,15 +2070,70 @@ static int cs4231_sbus_attach(struct sbus_dev *sdev)
 #endif
 
 #ifdef EBUS_SUPPORT
+
+static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event, void *cookie)
+{
+        cs4231_t *chip = cookie;
+        
+        snd_cs4231_play_callback(chip);
+}
+
+static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p, int event, void *cookie)
+{
+        cs4231_t *chip = cookie;
+
+        snd_cs4231_capture_callback(chip);
+}
+
+/*
+ * EBUS DMA wrappers
+ */
+
+int _ebus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len)
+{
+        return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len);
+}
+
+void _ebus_dma_enable(struct cs4231_dma_control *dma_cont, int on)
+{
+        ebus_dma_enable(&dma_cont->ebus_info, on);
+}
+
+void _ebus_dma_prepare(struct cs4231_dma_control *dma_cont, int dir)
+{
+        ebus_dma_prepare(&dma_cont->ebus_info, dir);
+}
+
+unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont)
+{
+        return ebus_dma_addr(&dma_cont->ebus_info);
+}
+
+void _ebus_dma_reset(cs4231_t *chip)
+{
+        return;
+}
+
+void _ebus_dma_preallocate(cs4231_t *chip, snd_pcm_t *pcm)
+{
+        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+                                      snd_dma_pci_data(chip->dev_u.pdev),
+                                      64*1024, 128*1024);
+}
+
+/*
+ * Init and exit routines
+ */
+
 static int snd_cs4231_ebus_free(cs4231_t *chip)
 {
-        if (chip->eb2c.regs) {
-                ebus_dma_unregister(&chip->eb2c);
-                iounmap(chip->eb2c.regs);
+        if (chip->c_dma.ebus_info.regs) {
+                ebus_dma_unregister(&chip->c_dma.ebus_info);
+                iounmap(chip->c_dma.ebus_info.regs);
         }
-        if (chip->eb2p.regs) {
-                ebus_dma_unregister(&chip->eb2p);
-                iounmap(chip->eb2p.regs);
+        if (chip->p_dma.ebus_info.regs) {
+                ebus_dma_unregister(&chip->p_dma.ebus_info);
+                iounmap(chip->p_dma.ebus_info.regs);
         }
 
         if (chip->port)
@@ -2097,8 +2171,8 @@ static int __init snd_cs4231_ebus_create(snd_card_t *card,
                 return -ENOMEM;
 
         spin_lock_init(&chip->lock);
-        spin_lock_init(&chip->eb2c.lock);
-        spin_lock_init(&chip->eb2p.lock);
+        spin_lock_init(&chip->c_dma.ebus_info.lock);
+        spin_lock_init(&chip->p_dma.ebus_info.lock);
         init_MUTEX(&chip->mce_mutex);
         init_MUTEX(&chip->open_mutex);
         chip->flags |= CS4231_FLAG_EBUS;
@@ -2106,43 +2180,57 @@ static int __init snd_cs4231_ebus_create(snd_card_t *card,
         chip->dev_u.pdev = edev->bus->self;
         memcpy(&chip->image, &snd_cs4231_original_image,
                sizeof(snd_cs4231_original_image));
-        strcpy(chip->eb2c.name, "cs4231(capture)");
-        chip->eb2c.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
-        chip->eb2c.callback = snd_cs4231_ebus_capture_callback;
-        chip->eb2c.client_cookie = chip;
-        chip->eb2c.irq = edev->irqs[0];
-        strcpy(chip->eb2p.name, "cs4231(play)");
-        chip->eb2p.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
-        chip->eb2p.callback = snd_cs4231_ebus_play_callback;
-        chip->eb2p.client_cookie = chip;
-        chip->eb2p.irq = edev->irqs[1];
+        strcpy(chip->c_dma.ebus_info.name, "cs4231(capture)");
+        chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
+        chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
+        chip->c_dma.ebus_info.client_cookie = chip;
+        chip->c_dma.ebus_info.irq = edev->irqs[0];
+        strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
+        chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
+        chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
+        chip->p_dma.ebus_info.client_cookie = chip;
+        chip->p_dma.ebus_info.irq = edev->irqs[1];
+
+        chip->p_dma.prepare = _ebus_dma_prepare;
+        chip->p_dma.enable = _ebus_dma_enable;
+        chip->p_dma.request = _ebus_dma_request;
+        chip->p_dma.address = _ebus_dma_addr;
+        chip->p_dma.reset = _ebus_dma_reset;
+        chip->p_dma.preallocate = _ebus_dma_preallocate;
+
+        chip->c_dma.prepare = _ebus_dma_prepare;
+        chip->c_dma.enable = _ebus_dma_enable;
+        chip->c_dma.request = _ebus_dma_request;
+        chip->c_dma.address = _ebus_dma_addr;
+        chip->c_dma.reset = _ebus_dma_reset;
+        chip->c_dma.preallocate = _ebus_dma_preallocate;
 
         chip->port = ioremap(edev->resource[0].start, 0x10);
-        chip->eb2p.regs = ioremap(edev->resource[1].start, 0x10);
-        chip->eb2c.regs = ioremap(edev->resource[2].start, 0x10);
-        if (!chip->port || !chip->eb2p.regs || !chip->eb2c.regs) {
+        chip->p_dma.ebus_info.regs = ioremap(edev->resource[1].start, 0x10);
+        chip->c_dma.ebus_info.regs = ioremap(edev->resource[2].start, 0x10);
+        if (!chip->port || !chip->p_dma.ebus_info.regs || !chip->c_dma.ebus_info.regs) {
                 snd_cs4231_ebus_free(chip);
                 snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
                 return -EIO;
         }
 
-        if (ebus_dma_register(&chip->eb2c)) {
+        if (ebus_dma_register(&chip->c_dma.ebus_info)) {
                 snd_cs4231_ebus_free(chip);
                 snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n", dev);
                 return -EBUSY;
         }
-        if (ebus_dma_irq_enable(&chip->eb2c, 1)) {
+        if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) {
                 snd_cs4231_ebus_free(chip);
                 snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n", dev);
                 return -EBUSY;
         }
 
-        if (ebus_dma_register(&chip->eb2p)) {
+        if (ebus_dma_register(&chip->p_dma.ebus_info)) {
                 snd_cs4231_ebus_free(chip);
                 snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n", dev);
                 return -EBUSY;
         }
-        if (ebus_dma_irq_enable(&chip->eb2p, 1)) {
+        if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) {
                 snd_cs4231_ebus_free(chip);
                 snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev);
                 return -EBUSY;