Blackfin: include system/processor info in dump messages

People often copy & paste crash messages without surrounding context, so
include common useful information like system/processor stats in the crash
summary.  This should smooth over the report/test cycle a bit more.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 778a75655a0ce36270045846a7225ab928519d43..35f675f5ca16bfaeecb9f5f2c98b94316fb620d3 100644 (file)
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -1080,6 +1080,29 @@ void show_regs(struct pt_regs *fp)
        unsigned int cpu = smp_processor_id();
        unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
 
+       verbose_printk(KERN_NOTICE "\n");
+       if (CPUID != bfin_cpuid())
+               verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), "
+                       "but running on:0x%04x (Rev %d)\n",
+                       CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid());
+
+       verbose_printk(KERN_NOTICE "ADSP-%s-0.%d",
+               CPU, bfin_compiled_revid());
+
+       if (bfin_compiled_revid() !=  bfin_revid())
+               verbose_printk("(Detected 0.%d)", bfin_revid());
+
+       verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n",
+               get_cclk()/1000000, get_sclk()/1000000,
+#ifdef CONFIG_MPU
+               "mpu on"
+#else
+               "mpu off"
+#endif
+               );
+
+       verbose_printk(KERN_NOTICE "%s", linux_banner);
+
        verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted());
        verbose_printk(KERN_NOTICE " SEQSTAT: %08lx  IPEND: %04lx  SYSCFG: %04lx\n",
                (long)fp->seqstat, fp->ipend, fp->syscfg);