Hexagon: fix register used to call do_work_pending

ABI v2 callee saves start at R24.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/arch/hexagon/kernel/vm_entry.S b/arch/hexagon/kernel/vm_entry.S
index e3086185fc9f..67c6ccc14770 100644
--- a/arch/hexagon/kernel/vm_entry.S
+++ b/arch/hexagon/kernel/vm_entry.S
@@ -291,12 +291,12 @@ event_dispatch:
         /*  "Nested control path" -- if the previous mode was kernel  */
         {
                 R0 = memw(R29 + #_PT_ER_VMEST);
-                R16.L = #LO(do_work_pending);
+                R26.L = #LO(do_work_pending);
         }
         {
                 P0 = tstbit(R0, #HVM_VMEST_UM_SFT);
                 if (!P0.new) jump:nt restore_all;
-                R16.H = #HI(do_work_pending);
+                R26.H = #HI(do_work_pending);
                 R0 = #VM_INT_DISABLE;
         }
 
@@ -304,7 +304,7 @@ event_dispatch:
          * Check also the return from fork/system call, normally coming back from
          * user mode
          *
-         * R16 needs to have do_work_pending, and R0 should have VM_INT_DISABLE
+         * R26 needs to have do_work_pending, and R0 should have VM_INT_DISABLE
          */
 
 check_work_pending:
@@ -313,7 +313,7 @@ check_work_pending:
         {
                 R0 = R29;  /*  regs should still be at top of stack  */
                 R1 = memw(THREADINFO_REG + #_THREAD_INFO_FLAGS);
-                callr R16;
+                callr R26;
         }
 
         {
@@ -375,11 +375,11 @@ _K_enter_debug:
 ret_from_fork:
         {
                 call schedule_tail
-                R16.H = #HI(do_work_pending);
+                R26.H = #HI(do_work_pending);
         }
         {
                 P0 = cmp.eq(R24, #0);
-                R16.L = #LO(do_work_pending);
+                R26.L = #LO(do_work_pending);
                 R0 = #VM_INT_DISABLE;
         }
         if P0 jump check_work_pending