aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/mach-common/irqpanic.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/mach-common/irqpanic.c')
-rw-r--r--arch/blackfin/mach-common/irqpanic.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/blackfin/mach-common/irqpanic.c b/arch/blackfin/mach-common/irqpanic.c
index b22959b197e5..606ded9ff4e1 100644
--- a/arch/blackfin/mach-common/irqpanic.c
+++ b/arch/blackfin/mach-common/irqpanic.c
@@ -46,9 +46,6 @@ void irq_panic(int reason, struct pt_regs *regs) __attribute__ ((l1_text));
46 */ 46 */
47asmlinkage void irq_panic(int reason, struct pt_regs *regs) 47asmlinkage void irq_panic(int reason, struct pt_regs *regs)
48{ 48{
49 int sig = 0;
50 siginfo_t info;
51
52#ifdef CONFIG_DEBUG_ICACHE_CHECK 49#ifdef CONFIG_DEBUG_ICACHE_CHECK
53 unsigned int cmd, tag, ca, cache_hi, cache_lo, *pa; 50 unsigned int cmd, tag, ca, cache_hi, cache_lo, *pa;
54 unsigned short i, j, die; 51 unsigned short i, j, die;
@@ -136,53 +133,6 @@ asmlinkage void irq_panic(int reason, struct pt_regs *regs)
136 } 133 }
137#endif 134#endif
138 135
139 printk(KERN_EMERG "\n");
140 printk(KERN_EMERG "Exception: IRQ 0x%x entered\n", reason);
141 printk(KERN_EMERG " code=[0x%08lx], stack frame=0x%08lx, "
142 " bad PC=0x%08lx\n",
143 (unsigned long)regs->seqstat,
144 (unsigned long)regs,
145 (unsigned long)regs->pc);
146 if (reason == 0x5) {
147 printk(KERN_EMERG "----------- HARDWARE ERROR -----------\n");
148
149 /* There is only need to check for Hardware Errors, since other
150 * EXCEPTIONS are handled in TRAPS.c (MH)
151 */
152 switch (regs->seqstat & SEQSTAT_HWERRCAUSE) {
153 case (SEQSTAT_HWERRCAUSE_SYSTEM_MMR): /* System MMR Error */
154 info.si_code = BUS_ADRALN;
155 sig = SIGBUS;
156 printk(KERN_EMERG HWC_x2(KERN_EMERG));
157 break;
158 case (SEQSTAT_HWERRCAUSE_EXTERN_ADDR): /* External Memory Addressing Error */
159 info.si_code = BUS_ADRERR;
160 sig = SIGBUS;
161 printk(KERN_EMERG HWC_x3(KERN_EMERG));
162 break;
163 case (SEQSTAT_HWERRCAUSE_PERF_FLOW): /* Performance Monitor Overflow */
164 printk(KERN_EMERG HWC_x12(KERN_EMERG));
165 break;
166 case (SEQSTAT_HWERRCAUSE_RAISE_5): /* RAISE 5 instruction */
167 printk(KERN_EMERG HWC_x18(KERN_EMERG));
168 break;
169 default: /* Reserved */
170 printk(KERN_EMERG HWC_default(KERN_EMERG));
171 break;
172 }
173 }
174
175 regs->ipend = bfin_read_IPEND();
176 dump_bfin_process(regs);
177 dump_bfin_mem((void *)regs->pc);
178 show_regs(regs);
179 if (0 == (info.si_signo = sig) || 0 == user_mode(regs)) /* in kernelspace */
180 panic("Unhandled IRQ or exceptions!\n");
181 else { /* in userspace */
182 info.si_errno = 0;
183 info.si_addr = (void *)regs->pc;
184 force_sig_info(sig, &info, current);
185 }
186} 136}
187 137
188#ifdef CONFIG_HARDWARE_PM 138#ifdef CONFIG_HARDWARE_PM