Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / mips / dec / ecc-berr.c

diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c
index 133fb7c..cc24c5e 100644 (file)
--- a/arch/mips/dec/ecc-berr.c
+++ b/arch/mips/dec/ecc-berr.c
@@ -6,7 +6,7 @@
  *     5000/240 (KN03), 5000/260 (KN05) and DECsystem 5900 (KN03),
  *     5900/260 (KN05) systems.
  *
- *     Copyright (c) 2003  Maciej W. Rozycki
+ *     Copyright (c) 2003, 2005  Maciej W. Rozycki
  *
  *     This program is free software; you can redistribute it and/or
  *     modify it under the terms of the GNU General Public License
@@ -15,6 +15,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
@@ -57,7 +58,7 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
 
        const char *kind, *agent, *cycle, *event;
        const char *status = "", *xbit = "", *fmt = "";
-       dma_addr_t address;
+       unsigned long address;
        u16 syn = 0, sngl;
 
        int i = 0;
@@ -66,7 +67,7 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
        u32 chksyn = *kn0x_chksyn;
        int action = MIPS_BE_FATAL;
 
-       /* For non-ECC ack ASAP, so any subsequent errors get caught. */
+       /* For non-ECC ack ASAP, so that any subsequent errors get caught. */
        if ((erraddr & (KN0X_EAR_VALID | KN0X_EAR_ECCERR)) == KN0X_EAR_VALID)
                dec_ecc_be_ack();
 
@@ -74,7 +75,7 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
 
        if (!(erraddr & KN0X_EAR_VALID)) {
                /* No idea what happened. */
-               printk(KERN_ALERT "Unidentified bus error %s.\n", kind);
+               printk(KERN_ALERT "Unidentified bus error %s\n", kind);
                return action;
        }
 
@@ -126,7 +127,7 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
                        /* Ack now, no rewrite will happen. */
                        dec_ecc_be_ack();
 
-                       fmt = KERN_ALERT "%s" "invalid.\n";
+                       fmt = KERN_ALERT "%s" "invalid\n";
                } else {
                        sngl = syn & KN0X_ESR_SNGLO;
                        syn &= KN0X_ESR_SYNLO;
@@ -144,7 +145,8 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
                        } else if (!sngl) {
                                status = dbestr;
                        } else {
-                               volatile u32 *ptr = (void *)KSEG1ADDR(address);
+                               volatile u32 *ptr =
+                                       (void *)CKSEG1ADDR(address);
 
                                *ptr = *ptr;            /* Rewrite. */
                                iob();
@@ -160,12 +162,12 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
                                if (syn == 0x01) {
                                        fmt = KERN_ALERT "%s"
                                              "%#04x -- %s bit error "
-                                             "at check bit C%s.\n";
+                                             "at check bit C%s\n";
                                        xbit = "X";
                                } else {
                                        fmt = KERN_ALERT "%s"
                                              "%#04x -- %s bit error "
-                                             "at check bit C%s%u.\n";
+                                             "at check bit C%s%u\n";
                                }
                                i = syn >> 2;
                        } else {
@@ -175,16 +177,16 @@ static int dec_ecc_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
                                if (i < 32)
                                        fmt = KERN_ALERT "%s"
                                              "%#04x -- %s bit error "
-                                             "at data bit D%s%u.\n";
+                                             "at data bit D%s%u\n";
                                else
                                        fmt = KERN_ALERT "%s"
-                                             "%#04x -- %s bit error.\n";
+                                             "%#04x -- %s bit error\n";
                        }
                }
        }
 
        if (action != MIPS_BE_FIXUP)
-               printk(KERN_ALERT "Bus error %s: %s %s %s at %#010lx.\n",
+               printk(KERN_ALERT "Bus error %s: %s %s %s at %#010lx\n",
                        kind, agent, cycle, event, address);
 
        if (action != MIPS_BE_FIXUP && erraddr & KN0X_EAR_ECCERR)
@@ -203,11 +205,11 @@ irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id, struct pt_regs *regs)
        int action = dec_ecc_be_backend(regs, 0, 1);
 
        if (action == MIPS_BE_DISCARD)
-               return IRQ_NONE;
+               return IRQ_HANDLED;
 
        /*
-        * FIXME: Find affected processes and kill them, otherwise we
-        * must die.
+        * FIXME: Find the affected processes and kill them, otherwise
+        * we must die.
         *
         * The interrupt is asynchronously delivered thus EPC and RA
         * may be irrelevant, but are printed for a reference.
@@ -225,16 +227,16 @@ irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  */
 static inline void dec_kn02_be_init(void)
 {
-       volatile u32 *csr = (void *)KN02_CSR_BASE;
+       volatile u32 *csr = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR);
        unsigned long flags;
 
-       kn0x_erraddr = (void *)(KN02_SLOT_BASE + KN02_ERRADDR);
-       kn0x_chksyn = (void *)(KN02_SLOT_BASE + KN02_CHKSYN);
+       kn0x_erraddr = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_ERRADDR);
+       kn0x_chksyn = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CHKSYN);
 
        spin_lock_irqsave(&kn02_lock, flags);
 
        /* Preset write-only bits of the Control Register cache. */
-       cached_kn02_csr = *csr | KN03_CSR_LEDS;
+       cached_kn02_csr = *csr | KN02_CSR_LEDS;
 
        /* Set normal ECC detection and generation. */
        cached_kn02_csr &= ~(KN02_CSR_DIAGCHK | KN02_CSR_DIAGGEN);
@@ -248,12 +250,12 @@ static inline void dec_kn02_be_init(void)
 
 static inline void dec_kn03_be_init(void)
 {
-       volatile u32 *mcr = (void *)(KN03_SLOT_BASE + IOASIC_MCR);
-       volatile u32 *mbcs = (void *)(KN03_SLOT_BASE + KN05_MB_CSR);
+       volatile u32 *mcr = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_MCR);
+       volatile u32 *mbcs = (void *)CKSEG1ADDR(KN4K_SLOT_BASE + KN4K_MB_CSR);
+
+       kn0x_erraddr = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_ERRADDR);
+       kn0x_chksyn = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_CHKSYN);
 
-       kn0x_erraddr = (void *)(KN03_SLOT_BASE + IOASIC_ERRADDR);
-       kn0x_chksyn = (void *)(KN03_SLOT_BASE + IOASIC_CHKSYN);
-                       
        /*
         * Set normal ECC detection and generation, enable ECC correction.
         * For KN05 we also need to make sure EE (?) is enabled in the MB.
@@ -264,7 +266,7 @@ static inline void dec_kn03_be_init(void)
        *mcr = (*mcr & ~(KN03_MCR_DIAGCHK | KN03_MCR_DIAGGEN)) |
               KN03_MCR_CORRECT;
        if (current_cpu_data.cputype == CPU_R4400SC)
-               *mbcs |= KN05_MB_CSR_EE;
+               *mbcs |= KN4K_MB_CSR_EE;
        fast_iob();
 }