Now that we have 4xx platform directory we can move the 4xx machine
check handler in there. Again we drop get_mc_reason() and replace it
with regs->dsisr directly (which is actually SPRN_ESR).
Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
---
arch/powerpc/kernel/traps.c | 18 +-----------------
arch/powerpc/platforms/4xx/Makefile | 2 +-
arch/powerpc/platforms/4xx/machine_check.c | 26 ++++++++++++++++++++++++++
3 files changed, 28 insertions(+), 18 deletions(-)
create mode 100644 arch/powerpc/platforms/4xx/machine_check.c
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 41aa472f8ab1..37cbfd7af41d 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -409,23 +409,7 @@ static inline int check_io_access(struct pt_regs *regs)
#define clear_single_step(regs) ((regs)->msr &= ~MSR_SE)
#endif
-#if defined(CONFIG_4xx)
-int machine_check_4xx(struct pt_regs *regs)
-{
- unsigned long reason = get_mc_reason(regs);
-
- if (reason & ESR_IMCP) {
- printk("Instruction");
- mtspr(SPRN_ESR, reason & ~ESR_IMCP);
- } else
- printk("Data");
- printk(" machine check in kernel mode.\n");
-
- return 0;
-}
-
-
-#elif defined(CONFIG_E500)
+#if defined(CONFIG_E500)
int machine_check_e500mc(struct pt_regs *regs)
{
unsigned long mcsr = mfspr(SPRN_MCSR);
diff --git a/arch/powerpc/platforms/4xx/Makefile
b/arch/powerpc/platforms/4xx/Makefile
index 0d4b65c88d66..9779c32db34e 100644
--- a/arch/powerpc/platforms/4xx/Makefile
+++ b/arch/powerpc/platforms/4xx/Makefile
@@ -1,4 +1,4 @@
-obj-y += uic.o
+obj-y += uic.o machine_check.o
obj-$(CONFIG_PPC4xx_OCM) += ocm.o
obj-$(CONFIG_4xx_SOC) += soc.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/powerpc/platforms/4xx/machine_check.c
b/arch/powerpc/platforms/4xx/machine_check.c
new file mode 100644
index 000000000000..aa039dfaf82f
--- /dev/null
+++ b/arch/powerpc/platforms/4xx/machine_check.c
@@ -0,0 +1,26 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#include <linux/ptrace.h>
+
+#include <asm/reg.h>
+
+int machine_check_4xx(struct pt_regs *regs)
+{
+ unsigned long reason = regs->dsisr;
+
+ if (reason & ESR_IMCP) {
+ printk("Instruction");
+ mtspr(SPRN_ESR, reason & ~ESR_IMCP);
+ } else
+ printk("Data");
+ printk(" machine check in kernel mode.\n");
+
+ return 0;
+}
--
2.7.4
