Merge ../linux-2.6 by hand

6 files changed, 177 insertions, 166 deletions

diff --git a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c
index 7f813ae9eaff..992e0d8dbb67 100644
--- a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c
+++ b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c
@@ -28,6 +28,8 @@
 #include <linux/fs.h>
 #include <linux/errno.h>
 #include <linux/reboot.h>
+#include <linux/smp_lock.h>
+#include <linux/wait.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/sibyte/sb1250.h>
@@ -64,24 +66,25 @@ static void arm_tb(void)
         u_int64_t tb_options = M_SCD_TRACE_CFG_FREEZE_FULL;
         /* Generate an SCD_PERFCNT interrupt in TB_PERIOD Zclks to
            trigger start of trace.  XXX vary sampling period */
-        bus_writeq(0, IOADDR(A_SCD_PERF_CNT_1));
-        scdperfcnt = bus_readq(IOADDR(A_SCD_PERF_CNT_CFG));
+        __raw_writeq(0, IOADDR(A_SCD_PERF_CNT_1));
+        scdperfcnt = __raw_readq(IOADDR(A_SCD_PERF_CNT_CFG));
         /* Unfortunately, in Pass 2 we must clear all counters to knock down
            a previous interrupt request.  This means that bus profiling
            requires ALL of the SCD perf counters. */
-        bus_writeq((scdperfcnt & ~M_SPC_CFG_SRC1) | // keep counters 0,2,3 as is
-                   M_SPC_CFG_ENABLE |            // enable counting
-                   M_SPC_CFG_CLEAR |             // clear all counters
-                   V_SPC_CFG_SRC1(1),            // counter 1 counts cycles
-                   IOADDR(A_SCD_PERF_CNT_CFG));
-        bus_writeq(next, IOADDR(A_SCD_PERF_CNT_1));
+        __raw_writeq((scdperfcnt & ~M_SPC_CFG_SRC1) |
+                                                // keep counters 0,2,3 as is
+                     M_SPC_CFG_ENABLE |         // enable counting
+                     M_SPC_CFG_CLEAR |          // clear all counters
+                     V_SPC_CFG_SRC1(1),         // counter 1 counts cycles
+                     IOADDR(A_SCD_PERF_CNT_CFG));
+        __raw_writeq(next, IOADDR(A_SCD_PERF_CNT_1));
         /* Reset the trace buffer */
-        bus_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
+        __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
 #if 0 && defined(M_SCD_TRACE_CFG_FORCECNT)
         /* XXXKW may want to expose control to the data-collector */
         tb_options |= M_SCD_TRACE_CFG_FORCECNT;
 #endif
-        bus_writeq(tb_options, IOADDR(A_SCD_TRACE_CFG));
+        __raw_writeq(tb_options, IOADDR(A_SCD_TRACE_CFG));
         sbp.tb_armed = 1;
 }
 
@@ -93,23 +96,30 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id, struct pt_regs *regs)
                 /* XXX should use XKPHYS to make writes bypass L2 */
                 u_int64_t *p = sbp.sbprof_tbbuf[sbp.next_tb_sample++];
                 /* Read out trace */
-                bus_writeq(M_SCD_TRACE_CFG_START_READ, IOADDR(A_SCD_TRACE_CFG));
+                __raw_writeq(M_SCD_TRACE_CFG_START_READ,
+                             IOADDR(A_SCD_TRACE_CFG));
                 __asm__ __volatile__ ("sync" : : : "memory");
                 /* Loop runs backwards because bundles are read out in reverse order */
                 for (i = 256 * 6; i > 0; i -= 6) {
                         // Subscripts decrease to put bundle in the order
                         //   t0 lo, t0 hi, t1 lo, t1 hi, t2 lo, t2 hi
-                        p[i-1] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t2 hi
-                        p[i-2] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t2 lo
-                        p[i-3] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t1 hi
-                        p[i-4] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t1 lo
-                        p[i-5] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t0 hi
-                        p[i-6] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t0 lo
+                        p[i - 1] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
+                                                                // read t2 hi
+                        p[i - 2] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
+                                                                // read t2 lo
+                        p[i - 3] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
+                                                                // read t1 hi
+                        p[i - 4] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
+                                                                // read t1 lo
+                        p[i - 5] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
+                                                                // read t0 hi
+                        p[i - 6] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
+                                                                // read t0 lo
                 }
                 if (!sbp.tb_enable) {
                         DBG(printk(DEVNAME ": tb_intr shutdown\n"));
-                        bus_writeq(M_SCD_TRACE_CFG_RESET,
-                                   IOADDR(A_SCD_TRACE_CFG));
+                        __raw_writeq(M_SCD_TRACE_CFG_RESET,
+                                     IOADDR(A_SCD_TRACE_CFG));
                         sbp.tb_armed = 0;
                         wake_up(&sbp.tb_sync);
                 } else {
@@ -118,7 +128,7 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id, struct pt_regs *regs)
         } else {
                 /* No more trace buffer samples */
                 DBG(printk(DEVNAME ": tb_intr full\n"));
-                bus_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
+                __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
                 sbp.tb_armed = 0;
                 if (!sbp.tb_enable) {
                         wake_up(&sbp.tb_sync);
@@ -152,13 +162,11 @@ int sbprof_zbprof_start(struct file *filp)
                 return -EBUSY;
         }
         /* Make sure there isn't a perf-cnt interrupt waiting */
-        scdperfcnt = bus_readq(IOADDR(A_SCD_PERF_CNT_CFG));
+        scdperfcnt = __raw_readq(IOADDR(A_SCD_PERF_CNT_CFG));
         /* Disable and clear counters, override SRC_1 */
-        bus_writeq((scdperfcnt & ~(M_SPC_CFG_SRC1 | M_SPC_CFG_ENABLE)) |
-                   M_SPC_CFG_ENABLE |
-                   M_SPC_CFG_CLEAR |
-                   V_SPC_CFG_SRC1(1),
-                   IOADDR(A_SCD_PERF_CNT_CFG));
+        __raw_writeq((scdperfcnt & ~(M_SPC_CFG_SRC1 | M_SPC_CFG_ENABLE)) |
+                     M_SPC_CFG_ENABLE | M_SPC_CFG_CLEAR | V_SPC_CFG_SRC1(1),
+                     IOADDR(A_SCD_PERF_CNT_CFG));
 
         /* We grab this interrupt to prevent others from trying to use
            it, even though we don't want to service the interrupts
@@ -172,55 +180,55 @@ int sbprof_zbprof_start(struct file *filp)
         /* I need the core to mask these, but the interrupt mapper to
            pass them through.  I am exploiting my knowledge that
            cp0_status masks out IP[5]. krw */
-        bus_writeq(K_INT_MAP_I3,
-                   IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
-                          (K_INT_PERF_CNT << 3)));
+        __raw_writeq(K_INT_MAP_I3,
+                     IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
+                            (K_INT_PERF_CNT << 3)));
 
         /* Initialize address traps */
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_0));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_1));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_2));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_3));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_0));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_1));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_2));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_3));
 
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_0));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_1));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_2));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_3));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_0));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_1));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_2));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_3));
 
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_0));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_1));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_2));
-        bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_3));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_0));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_1));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_2));
+        __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_3));
 
         /* Initialize Trace Event 0-7 */
         //                              when interrupt
-        bus_writeq(M_SCD_TREVT_INTERRUPT, IOADDR(A_SCD_TRACE_EVENT_0));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_1));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_2));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_3));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_4));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_5));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_6));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_7));
+        __raw_writeq(M_SCD_TREVT_INTERRUPT, IOADDR(A_SCD_TRACE_EVENT_0));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_1));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_2));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_3));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_4));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_5));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_6));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_7));
 
         /* Initialize Trace Sequence 0-7 */
         //                                   Start on event 0 (interrupt)
-        bus_writeq(V_SCD_TRSEQ_FUNC_START | 0x0fff,
-                   IOADDR(A_SCD_TRACE_SEQUENCE_0));
+        __raw_writeq(V_SCD_TRSEQ_FUNC_START | 0x0fff,
+                     IOADDR(A_SCD_TRACE_SEQUENCE_0));
         //                        dsamp when d used | asamp when a used
-        bus_writeq(M_SCD_TRSEQ_ASAMPLE | M_SCD_TRSEQ_DSAMPLE |
-                   K_SCD_TRSEQ_TRIGGER_ALL,
-                   IOADDR(A_SCD_TRACE_SEQUENCE_1));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_2));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_3));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_4));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_5));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_6));
-        bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_7));
+        __raw_writeq(M_SCD_TRSEQ_ASAMPLE | M_SCD_TRSEQ_DSAMPLE |
+                     K_SCD_TRSEQ_TRIGGER_ALL,
+                     IOADDR(A_SCD_TRACE_SEQUENCE_1));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_2));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_3));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_4));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_5));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_6));
+        __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_7));
 
         /* Now indicate the PERF_CNT interrupt as a trace-relevant interrupt */
-        bus_writeq((1ULL << K_INT_PERF_CNT),
-                   IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_TRACE)));
+        __raw_writeq(1ULL << K_INT_PERF_CNT,
+                     IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_TRACE)));
 
         arm_tb();
 
@@ -231,6 +239,7 @@ int sbprof_zbprof_start(struct file *filp)
 
 int sbprof_zbprof_stop(void)
 {
+        DEFINE_WAIT(wait);
         DBG(printk(DEVNAME ": stopping\n"));
 
         if (sbp.tb_enable) {
@@ -240,7 +249,9 @@ int sbprof_zbprof_stop(void)
                    this sleep happens. */
                 if (sbp.tb_armed) {
                         DBG(printk(DEVNAME ": wait for disarm\n"));
-                        interruptible_sleep_on(&sbp.tb_sync);
+                        prepare_to_wait(&sbp.tb_sync, &wait, TASK_INTERRUPTIBLE);
+                        schedule();
+                        finish_wait(&sbp.tb_sync, &wait);
                         DBG(printk(DEVNAME ": disarm complete\n"));
                 }
                 free_irq(K_INT_TRACE_FREEZE, &sbp);
@@ -333,13 +344,13 @@ static ssize_t sbprof_tb_read(struct file *filp, char *buf,
         return count;
 }
 
-static int sbprof_tb_ioctl(struct inode *inode,
-                           struct file *filp,
-                           unsigned int command,
-                           unsigned long arg)
+static long sbprof_tb_ioctl(struct file *filp,
+                            unsigned int command,
+                            unsigned long arg)
 {
         int error = 0;
 
+        lock_kernel();
         switch (command) {
         case SBPROF_ZBSTART:
                 error = sbprof_zbprof_start(filp);
@@ -348,13 +359,17 @@ static int sbprof_tb_ioctl(struct inode *inode,
                 error = sbprof_zbprof_stop();
                 break;
         case SBPROF_ZBWAITFULL:
-                interruptible_sleep_on(&sbp.tb_read);
+                DEFINE_WAIT(wait);
+                prepare_to_wait(&sbp.tb_read, &wait, TASK_INTERRUPTIBLE);
+                schedule();
+                finish_wait(&sbp.tb_read, &wait);
                 /* XXXKW check if interrupted? */
                 return put_user(TB_FULL, (int *) arg);
         default:
                 error = -EINVAL;
                 break;
         }
+        unlock_kernel();
 
         return error;
 }
@@ -364,7 +379,8 @@ static struct file_operations sbprof_tb_fops = {
         .open           = sbprof_tb_open,
         .release        = sbprof_tb_release,
         .read           = sbprof_tb_read,
-        .ioctl          = sbprof_tb_ioctl,
+        .unlocked_ioctl = sbprof_tb_ioctl,
+        .compat_ioctl   = sbprof_tb_ioctl,
         .mmap           = NULL,
 };
 
diff --git a/arch/mips/sibyte/sb1250/bus_watcher.c b/arch/mips/sibyte/sb1250/bus_watcher.c
index 1a97e3127aeb..482dee054e68 100644
--- a/arch/mips/sibyte/sb1250/bus_watcher.c
+++ b/arch/mips/sibyte/sb1250/bus_watcher.c
@@ -189,7 +189,7 @@ static irqreturn_t sibyte_bw_int(int irq, void *data, struct pt_regs *regs)
 
         for (i=0; i<256*6; i++)
                 printk("%016llx\n",
-                       (unsigned long long)bus_readq(IOADDR(A_SCD_TRACE_READ)));
+                       (long long)__raw_readq(IOADDR(A_SCD_TRACE_READ)));
 
         csr_out32(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
         csr_out32(M_SCD_TRACE_CFG_START, IOADDR(A_SCD_TRACE_CFG));
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 2725b263cced..589537bfcc3d 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -53,7 +53,7 @@ static void disable_sb1250_irq(unsigned int irq);
 static unsigned int startup_sb1250_irq(unsigned int irq);
 static void ack_sb1250_irq(unsigned int irq);
 #ifdef CONFIG_SMP
-static void sb1250_set_affinity(unsigned int irq, unsigned long mask);
+static void sb1250_set_affinity(unsigned int irq, cpumask_t mask);
 #endif
 
 #ifdef CONFIG_SIBYTE_HAS_LDT
@@ -71,17 +71,15 @@ extern char sb1250_duart_present[];
 #endif
 
 static struct hw_interrupt_type sb1250_irq_type = {
-        "SB1250-IMR",
-        startup_sb1250_irq,
-        shutdown_sb1250_irq,
-        enable_sb1250_irq,
-        disable_sb1250_irq,
-        ack_sb1250_irq,
-        end_sb1250_irq,
+        .typename = "SB1250-IMR",
+        .startup = startup_sb1250_irq,
+        .shutdown = shutdown_sb1250_irq,
+        .enable = enable_sb1250_irq,
+        .disable = disable_sb1250_irq,
+        .ack = ack_sb1250_irq,
+        .end = end_sb1250_irq,
 #ifdef CONFIG_SMP
-        sb1250_set_affinity
-#else
-        NULL
+        .set_affinity = sb1250_set_affinity
 #endif
 };
 
@@ -96,11 +94,11 @@ void sb1250_mask_irq(int cpu, int irq)
         u64 cur_ints;
 
         spin_lock_irqsave(&sb1250_imr_lock, flags);
-        cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(cpu) +
-                                      R_IMR_INTERRUPT_MASK));
+        cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         cur_ints |= (((u64) 1) << irq);
-        __bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
-                                      R_IMR_INTERRUPT_MASK));
+        ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         spin_unlock_irqrestore(&sb1250_imr_lock, flags);
 }
 
@@ -110,32 +108,25 @@ void sb1250_unmask_irq(int cpu, int irq)
         u64 cur_ints;
 
         spin_lock_irqsave(&sb1250_imr_lock, flags);
-        cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(cpu) +
-                                      R_IMR_INTERRUPT_MASK));
+        cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         cur_ints &= ~(((u64) 1) << irq);
-        __bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
-                                      R_IMR_INTERRUPT_MASK));
+        ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         spin_unlock_irqrestore(&sb1250_imr_lock, flags);
 }
 
 #ifdef CONFIG_SMP
-static void sb1250_set_affinity(unsigned int irq, unsigned long mask)
+static void sb1250_set_affinity(unsigned int irq, cpumask_t mask)
 {
         int i = 0, old_cpu, cpu, int_on;
         u64 cur_ints;
         irq_desc_t *desc = irq_desc + irq;
         unsigned long flags;
 
-        while (mask) {
-                if (mask & 1) {
-                        mask >>= 1;
-                        break;
-                }
-                mask >>= 1;
-                i++;
-        }
+        i = first_cpu(mask);
 
-        if (mask) {
+        if (cpus_weight(mask) > 1) {
                 printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq);
                 return;
         }
@@ -149,23 +140,23 @@ static void sb1250_set_affinity(unsigned int irq, unsigned long mask)
 
         /* Swizzle each CPU's IMR (but leave the IP selection alone) */
         old_cpu = sb1250_irq_owner[irq];
-        cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(old_cpu) +
-                               R_IMR_INTERRUPT_MASK));
+        cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(old_cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         int_on = !(cur_ints & (((u64) 1) << irq));
         if (int_on) {
                 /* If it was on, mask it */
                 cur_ints |= (((u64) 1) << irq);
-                __bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(old_cpu) +
-                                              R_IMR_INTERRUPT_MASK));
+                ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(old_cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         }
         sb1250_irq_owner[irq] = cpu;
         if (int_on) {
                 /* unmask for the new CPU */
-                cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(cpu) +
-                                       R_IMR_INTERRUPT_MASK));
+                cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(cpu) +
+                                        R_IMR_INTERRUPT_MASK));
                 cur_ints &= ~(((u64) 1) << irq);
-                __bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
-                                              R_IMR_INTERRUPT_MASK));
+                ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
+                                        R_IMR_INTERRUPT_MASK));
         }
         spin_unlock(&sb1250_imr_lock);
         spin_unlock_irqrestore(&desc->lock, flags);
@@ -208,8 +199,8 @@ static void ack_sb1250_irq(unsigned int irq)
          * deliver the interrupts to all CPUs (which makes affinity
          * changing easier for us)
          */
-        pending = bus_readq(IOADDR(A_IMR_REGISTER(sb1250_irq_owner[irq],
-                                                  R_IMR_LDT_INTERRUPT)));
+        pending = __raw_readq(IOADDR(A_IMR_REGISTER(sb1250_irq_owner[irq],
+                                                    R_IMR_LDT_INTERRUPT)));
         pending &= ((u64)1 << (irq));
         if (pending) {
                 int i;
@@ -224,8 +215,8 @@ static void ack_sb1250_irq(unsigned int irq)
                          * Clear for all CPUs so an affinity switch
                          * doesn't find an old status
                          */
-                        bus_writeq(pending,
-                                   IOADDR(A_IMR_REGISTER(cpu,
+                        __raw_writeq(pending,
+                                     IOADDR(A_IMR_REGISTER(cpu,
                                                 R_IMR_LDT_INTERRUPT_CLR)));
                 }
 
@@ -340,12 +331,14 @@ void __init arch_init_irq(void)
 
         /* Default everything to IP2 */
         for (i = 0; i < SB1250_NR_IRQS; i++) {  /* was I0 */
-                bus_writeq(IMR_IP2_VAL,
-                           IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
-                                  (i << 3)));
-                bus_writeq(IMR_IP2_VAL,
-                           IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MAP_BASE) +
-                                  (i << 3)));
+                __raw_writeq(IMR_IP2_VAL,
+                             IOADDR(A_IMR_REGISTER(0,
+                                                   R_IMR_INTERRUPT_MAP_BASE) +
+                                    (i << 3)));
+                __raw_writeq(IMR_IP2_VAL,
+                             IOADDR(A_IMR_REGISTER(1,
+                                                   R_IMR_INTERRUPT_MAP_BASE) +
+                                    (i << 3)));
         }
 
         init_sb1250_irqs();
@@ -355,23 +348,23 @@ void __init arch_init_irq(void)
          * inter-cpu messages
          */
         /* Was I1 */
-        bus_writeq(IMR_IP3_VAL,
-                   IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
-                          (K_INT_MBOX_0 << 3)));
-        bus_writeq(IMR_IP3_VAL,
-                   IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MAP_BASE) +
-                          (K_INT_MBOX_0 << 3)));
+        __raw_writeq(IMR_IP3_VAL,
+                     IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
+                            (K_INT_MBOX_0 << 3)));
+        __raw_writeq(IMR_IP3_VAL,
+                     IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MAP_BASE) +
+                            (K_INT_MBOX_0 << 3)));
 
         /* Clear the mailboxes.  The firmware may leave them dirty */
-        bus_writeq(0xffffffffffffffffULL,
-                   IOADDR(A_IMR_REGISTER(0, R_IMR_MAILBOX_CLR_CPU)));
-        bus_writeq(0xffffffffffffffffULL,
-                   IOADDR(A_IMR_REGISTER(1, R_IMR_MAILBOX_CLR_CPU)));
+        __raw_writeq(0xffffffffffffffffULL,
+                     IOADDR(A_IMR_REGISTER(0, R_IMR_MAILBOX_CLR_CPU)));
+        __raw_writeq(0xffffffffffffffffULL,
+                     IOADDR(A_IMR_REGISTER(1, R_IMR_MAILBOX_CLR_CPU)));
 
         /* Mask everything except the mailbox registers for both cpus */
         tmp = ~((u64) 0) ^ (((u64) 1) << K_INT_MBOX_0);
-        bus_writeq(tmp, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MASK)));
-        bus_writeq(tmp, IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MASK)));
+        __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MASK)));
+        __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MASK)));
 
         sb1250_steal_irq(K_INT_MBOX_0);
 
@@ -396,12 +389,14 @@ void __init arch_init_irq(void)
                 sb1250_duart_present[kgdb_port] = 0;
 #endif
                 /* Setup uart 1 settings, mapper */
-                bus_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port)));
+                __raw_writeq(M_DUART_IMR_BRK,
+                             IOADDR(A_DUART_IMRREG(kgdb_port)));
 
                 sb1250_steal_irq(kgdb_irq);
-                bus_writeq(IMR_IP6_VAL,
-                           IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
-                                  (kgdb_irq<<3)));
+                __raw_writeq(IMR_IP6_VAL,
+                             IOADDR(A_IMR_REGISTER(0,
+                                                   R_IMR_INTERRUPT_MAP_BASE) +
+                                    (kgdb_irq << 3)));
                 sb1250_unmask_irq(0, kgdb_irq);
         }
 #endif
diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c
index f8c605be96c7..df2e266c700c 100644
--- a/arch/mips/sibyte/sb1250/setup.c
+++ b/arch/mips/sibyte/sb1250/setup.c
@@ -153,7 +153,7 @@ void sb1250_setup(void)
         int bad_config = 0;
 
         sb1_pass = read_c0_prid() & 0xff;
-        sys_rev = bus_readq(IOADDR(A_SCD_SYSTEM_REVISION));
+        sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION));
         soc_type = SYS_SOC_TYPE(sys_rev);
         soc_pass = G_SYS_REVISION(sys_rev);
 
@@ -162,7 +162,7 @@ void sb1250_setup(void)
                 machine_restart(NULL);
         }
 
-        plldiv = G_SYS_PLL_DIV(bus_readq(IOADDR(A_SCD_SYSTEM_CFG)));
+        plldiv = G_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
         zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25);
 
         prom_printf("Broadcom SiByte %s %s @ %d MHz (SB1 rev %d)\n",
diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c
index be91b3990952..f859db02d3c9 100644
--- a/arch/mips/sibyte/sb1250/smp.c
+++ b/arch/mips/sibyte/sb1250/smp.c
@@ -29,18 +29,18 @@
 #include <asm/sibyte/sb1250_int.h>
 
 static void *mailbox_set_regs[] = {
-        (void *)IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_SET_CPU),
-        (void *)IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_SET_CPU)
+        IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_SET_CPU),
+        IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_SET_CPU)
 };
 
 static void *mailbox_clear_regs[] = {
-        (void *)IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CLR_CPU),
-        (void *)IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CLR_CPU)
+        IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CLR_CPU),
+        IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CLR_CPU)
 };
 
 static void *mailbox_regs[] = {
-        (void *)IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CPU),
-        (void *)IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CPU)
+        IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CPU),
+        IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CPU)
 };
 
 /*
@@ -73,7 +73,7 @@ void sb1250_smp_finish(void)
  */
 void core_send_ipi(int cpu, unsigned int action)
 {
-        bus_writeq((((u64)action) << 48), mailbox_set_regs[cpu]);
+        __raw_writeq((((u64)action) << 48), mailbox_set_regs[cpu]);
 }
 
 void sb1250_mailbox_interrupt(struct pt_regs *regs)
@@ -83,10 +83,10 @@ void sb1250_mailbox_interrupt(struct pt_regs *regs)
 
         kstat_this_cpu.irqs[K_INT_MBOX_0]++;
         /* Load the mailbox register to figure out what we're supposed to do */
-        action = (__bus_readq(mailbox_regs[cpu]) >> 48) & 0xffff;
+        action = (____raw_readq(mailbox_regs[cpu]) >> 48) & 0xffff;
 
         /* Clear the mailbox to clear the interrupt */
-        __bus_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]);
+        ____raw_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]);
 
         /*
          * Nothing to do for SMP_RESCHEDULE_YOURSELF; returning from the
diff --git a/arch/mips/sibyte/sb1250/time.c b/arch/mips/sibyte/sb1250/time.c
index 8b4c848c907b..511c89d65f38 100644
--- a/arch/mips/sibyte/sb1250/time.c
+++ b/arch/mips/sibyte/sb1250/time.c
@@ -67,24 +67,24 @@ void sb1250_time_init(void)
         sb1250_mask_irq(cpu, irq);
 
         /* Map the timer interrupt to ip[4] of this cpu */
-        bus_writeq(IMR_IP4_VAL,
-                   IOADDR(A_IMR_REGISTER(cpu, R_IMR_INTERRUPT_MAP_BASE) +
-                          (irq << 3)));
+        __raw_writeq(IMR_IP4_VAL,
+                     IOADDR(A_IMR_REGISTER(cpu, R_IMR_INTERRUPT_MAP_BASE) +
+                            (irq << 3)));
 
         /* the general purpose timer ticks at 1 Mhz independent if the rest of the system */
         /* Disable the timer and set up the count */
-        bus_writeq(0, IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
+        __raw_writeq(0, IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
 #ifdef CONFIG_SIMULATION
-        bus_writeq(50000 / HZ,
-                   IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT)));
+        __raw_writeq(50000 / HZ,
+                     IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT)));
 #else
-        bus_writeq(1000000/HZ,
-                   IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT)));
+        __raw_writeq(1000000 / HZ,
+                     IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT)));
 #endif
 
         /* Set the timer running */
-        bus_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS,
-                   IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
+        __raw_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS,
+                     IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
 
         sb1250_unmask_irq(cpu, irq);
         sb1250_steal_irq(irq);
@@ -100,25 +100,25 @@ void sb1250_time_init(void)
 
 void sb1250_timer_interrupt(struct pt_regs *regs)
 {
-        extern asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs);
         int cpu = smp_processor_id();
         int irq = K_INT_TIMER_0 + cpu;
 
         /* Reset the timer */
-        __bus_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS,
-                     IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
+        ____raw_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS,
+                       IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
 
-        /*
-         * CPU 0 handles the global timer interrupt job
-         */
         if (cpu == 0) {
+                /*
+                 * CPU 0 handles the global timer interrupt job
+                 */
                 ll_timer_interrupt(irq, regs);
         }
-
-        /*
-         * every CPU should do profiling and process accouting
-         */
-        ll_local_timer_interrupt(irq, regs);
+        else {
+                /*
+                 * other CPUs should just do profiling and process accounting
+                 */
+                ll_local_timer_interrupt(irq, regs);
+        }
 }
 
 /*
@@ -130,7 +130,7 @@ void sb1250_timer_interrupt(struct pt_regs *regs)
 unsigned long sb1250_gettimeoffset(void)
 {
         unsigned long count =
-                bus_readq(IOADDR(A_SCD_TIMER_REGISTER(0, R_SCD_TIMER_CNT)));
+                __raw_readq(IOADDR(A_SCD_TIMER_REGISTER(0, R_SCD_TIMER_CNT)));
 
         return 1000000/HZ - count;
  }