csky: fixup save hi,lo,dspcr regs in switch_stack.

HI, LO, DSPCR registers are 807/810 related regs and no need for 610/860.
All of the regs must be saved in pt_regs and switch_stack. This patch
fixup saving dspcr reg in switch_stack and pt_regs.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>

1 files changed, 1 insertions, 38 deletions

diff --git a/arch/csky/include/uapi/asm/ptrace.h b/arch/csky/include/uapi/asm/ptrace.h
index f10d02c8b09e..a4eaa8ddf0b1 100644
--- a/arch/csky/include/uapi/asm/ptrace.h
+++ b/arch/csky/include/uapi/asm/ptrace.h
@@ -36,7 +36,7 @@ struct pt_regs {
 
         unsigned long   rhi;
         unsigned long   rlo;
-        unsigned long   pad; /* reserved */
+        unsigned long   dcsr;
 #endif
 };
 
@@ -48,43 +48,6 @@ struct user_fp {
         unsigned long   reserved;
 };
 
-/*
- * Switch stack for switch_to after push pt_regs.
- *
- * ABI_CSKYV2: r4 ~ r11, r15 ~ r17, r26 ~ r30;
- * ABI_CSKYV1: r8 ~ r14, r15;
- */
-struct  switch_stack {
-#if defined(__CSKYABIV2__)
-        unsigned long   r4;
-        unsigned long   r5;
-        unsigned long   r6;
-        unsigned long   r7;
-        unsigned long   r8;
-        unsigned long   r9;
-        unsigned long   r10;
-        unsigned long   r11;
-#else
-        unsigned long   r8;
-        unsigned long   r9;
-        unsigned long   r10;
-        unsigned long   r11;
-        unsigned long   r12;
-        unsigned long   r13;
-        unsigned long   r14;
-#endif
-        unsigned long   r15;
-#if defined(__CSKYABIV2__)
-        unsigned long   r16;
-        unsigned long   r17;
-        unsigned long   r26;
-        unsigned long   r27;
-        unsigned long   r28;
-        unsigned long   r29;
-        unsigned long   r30;
-#endif
-};
-
 #ifdef __KERNEL__
 
 #define PS_S    0x80000000 /* Supervisor Mode */