1 files changed, 3 insertions, 34 deletions

diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index a7c4178c2a8c..3785f3481d71 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -1,4 +1,3 @@
-// TODO verify coprocessor handling
 /*
  * arch/xtensa/kernel/process.c
  *
@@ -43,7 +42,7 @@
 #include <asm/irq.h>
 #include <asm/atomic.h>
 #include <asm/asm-offsets.h>
-#include <asm/coprocessor.h>
+#include <asm/regs.h>
 
 extern void ret_from_fork(void);
 
@@ -67,25 +66,6 @@ void (*pm_power_off)(void) = NULL;
 EXPORT_SYMBOL(pm_power_off);
 
 
-#if XCHAL_CP_NUM > 0
-
-/*
- * Coprocessor ownership.
- */
-
-coprocessor_info_t coprocessor_info[] = {
-        { 0, XTENSA_CPE_CP0_OFFSET },
-        { 0, XTENSA_CPE_CP1_OFFSET },
-        { 0, XTENSA_CPE_CP2_OFFSET },
-        { 0, XTENSA_CPE_CP3_OFFSET },
-        { 0, XTENSA_CPE_CP4_OFFSET },
-        { 0, XTENSA_CPE_CP5_OFFSET },
-        { 0, XTENSA_CPE_CP6_OFFSET },
-        { 0, XTENSA_CPE_CP7_OFFSET },
-};
-
-#endif
-
 /*
  * Powermanagement idle function, if any is provided by the platform.
  */
@@ -110,12 +90,10 @@ void cpu_idle(void)
 
 void exit_thread(void)
 {
-        release_coprocessors(current);  /* Empty macro if no CPs are defined */
 }
 
 void flush_thread(void)
 {
-        release_coprocessors(current);  /* Empty macro if no CPs are defined */
 }
 
 /*
@@ -275,7 +253,7 @@ void do_copy_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs,
          */
 
         elfregs->pc             = regs->pc;
-        elfregs->ps             = (regs->ps & ~XCHAL_PS_EXCM_MASK);
+        elfregs->ps             = (regs->ps & ~(1 << PS_EXCM_BIT));
         elfregs->exccause       = regs->exccause;
         elfregs->excvaddr       = regs->excvaddr;
         elfregs->windowbase     = regs->windowbase;
@@ -325,7 +303,7 @@ void do_restore_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs,
          */
 
         regs->pc                = elfregs->pc;
-        regs->ps                = (elfregs->ps | XCHAL_PS_EXCM_MASK);
+        regs->ps                = (elfregs->ps | (1 << PS_EXCM_BIT));
         regs->exccause          = elfregs->exccause;
         regs->excvaddr          = elfregs->excvaddr;
         regs->windowbase        = elfregs->windowbase;
@@ -459,16 +437,7 @@ int  do_restore_fpregs (elf_fpregset_t *fpregs, struct pt_regs *regs,
 int
 dump_task_fpu(struct pt_regs *regs, struct task_struct *task, elf_fpregset_t *r)
 {
-/* see asm/coprocessor.h for this magic number 16 */
-#if XTENSA_CP_EXTRA_SIZE > 16
-        do_save_fpregs (r, regs, task);
-
-        /*  For now, bit 16 means some extra state may be present:  */
-// FIXME!! need to track to return more accurate mask
-        return 0x10000 | XCHAL_CP_MASK;
-#else
         return 0;       /* no coprocessors active on this processor */
-#endif
 }
 
 /*