diff options
| author | Xiongwei Song <sxwjean@gmail.com> | 2021-08-07 09:02:36 +0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-08-26 21:21:06 +1000 |
| commit | 4f8e78c0757e3c5a65d9d8ac76e2434c71a78f5a (patch) | |
| tree | 2993bcc95e5bbccf0a2101a7c6acd861f505bfec /arch/powerpc/platforms/44x | |
| parent | e42edf9b9d126bb1c743f2e7984877ba27f09fe7 (diff) | |
powerpc: Add esr as a synonym for pt_regs.dsisr
Create an anonymous union for dsisr and esr regsiters, we can reference
esr to get the exception detail when CONFIG_4xx=y or CONFIG_BOOKE=y.
Otherwise, reference dsisr. This makes code more clear.
Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
[mpe: Reword commit title]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210807010239.416055-2-sxwjean@me.com
Diffstat (limited to 'arch/powerpc/platforms/44x')
| -rw-r--r-- | arch/powerpc/platforms/44x/machine_check.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/44x/machine_check.c b/arch/powerpc/platforms/44x/machine_check.c index a5c898bb9bab..5d19daacd78a 100644 --- a/arch/powerpc/platforms/44x/machine_check.c +++ b/arch/powerpc/platforms/44x/machine_check.c @@ -11,7 +11,7 @@ int machine_check_440A(struct pt_regs *regs) { - unsigned long reason = regs->dsisr; + unsigned long reason = regs->esr; printk("Machine check in kernel mode.\n"); if (reason & ESR_IMCP){ @@ -48,7 +48,7 @@ int machine_check_440A(struct pt_regs *regs) #ifdef CONFIG_PPC_47x int machine_check_47x(struct pt_regs *regs) { - unsigned long reason = regs->dsisr; + unsigned long reason = regs->esr; u32 mcsr; printk(KERN_ERR "Machine check in kernel mode.\n"); |