Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.7

A couple of driver fixes, one that improves the interoperability of
WM8994 with controllers that are sensitive to extra BCLK cycles and some
build break fixes for ux500.

10 files changed, 236 insertions, 218 deletions

diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S
index 33d6e9d2e83c..934ae58e2c79 100644
--- a/arch/xtensa/kernel/align.S
+++ b/arch/xtensa/kernel/align.S
@@ -170,15 +170,15 @@ ENTRY(fast_unaligned)
         s32i    a7, a2, PT_AREG7
         s32i    a8, a2, PT_AREG8
 
-        rsr     a0, DEPC
-        xsr     a3, EXCSAVE_1
+        rsr     a0, depc
+        xsr     a3, excsave1
         s32i    a0, a2, PT_AREG2
         s32i    a3, a2, PT_AREG3
 
         /* Keep value of SAR in a0 */
 
-        rsr     a0, SAR
-        rsr     a8, EXCVADDR            # load unaligned memory address
+        rsr     a0, sar
+        rsr     a8, excvaddr            # load unaligned memory address
 
         /* Now, identify one of the following load/store instructions.
          *
@@ -197,7 +197,7 @@ ENTRY(fast_unaligned)
 
         /* Extract the instruction that caused the unaligned access. */
 
-        rsr     a7, EPC_1       # load exception address
+        rsr     a7, epc1        # load exception address
         movi    a3, ~3
         and     a3, a3, a7      # mask lower bits
 
@@ -275,16 +275,16 @@ ENTRY(fast_unaligned)
 1:
 
 #if XCHAL_HAVE_LOOPS
-        rsr     a5, LEND                # check if we reached LEND
+        rsr     a5, lend                # check if we reached LEND
         bne     a7, a5, 1f
-        rsr     a5, LCOUNT              # and LCOUNT != 0
+        rsr     a5, lcount              # and LCOUNT != 0
         beqz    a5, 1f
         addi    a5, a5, -1              # decrement LCOUNT and set
-        rsr     a7, LBEG                # set PC to LBEGIN
-        wsr     a5, LCOUNT
+        rsr     a7, lbeg                # set PC to LBEGIN
+        wsr     a5, lcount
 #endif
 
-1:      wsr     a7, EPC_1               # skip load instruction
+1:      wsr     a7, epc1                # skip load instruction
         extui   a4, a4, INSN_T, 4       # extract target register
         movi    a5, .Lload_table
         addx8   a4, a4, a5
@@ -355,16 +355,16 @@ ENTRY(fast_unaligned)
 
 1:
 #if XCHAL_HAVE_LOOPS
-        rsr     a4, LEND                # check if we reached LEND
+        rsr     a4, lend                # check if we reached LEND
         bne     a7, a4, 1f
-        rsr     a4, LCOUNT              # and LCOUNT != 0
+        rsr     a4, lcount              # and LCOUNT != 0
         beqz    a4, 1f
         addi    a4, a4, -1              # decrement LCOUNT and set
-        rsr     a7, LBEG                # set PC to LBEGIN
-        wsr     a4, LCOUNT
+        rsr     a7, lbeg                # set PC to LBEGIN
+        wsr     a4, lcount
 #endif
 
-1:      wsr     a7, EPC_1               # skip store instruction
+1:      wsr     a7, epc1                # skip store instruction
         movi    a4, ~3
         and     a4, a4, a8              # align memory address
 
@@ -406,7 +406,7 @@ ENTRY(fast_unaligned)
 
 .Lexit:
         movi    a4, 0
-        rsr     a3, EXCSAVE_1
+        rsr     a3, excsave1
         s32i    a4, a3, EXC_TABLE_FIXUP
 
         /* Restore working register */
@@ -420,7 +420,7 @@ ENTRY(fast_unaligned)
 
         /* restore SAR and return */
 
-        wsr     a0, SAR
+        wsr     a0, sar
         l32i    a0, a2, PT_AREG0
         l32i    a2, a2, PT_AREG2
         rfe
@@ -438,10 +438,10 @@ ENTRY(fast_unaligned)
         l32i    a6, a2, PT_AREG6
         l32i    a5, a2, PT_AREG5
         l32i    a4, a2, PT_AREG4
-        wsr     a0, SAR
+        wsr     a0, sar
         mov     a1, a2
 
-        rsr     a0, PS
+        rsr     a0, ps
         bbsi.l  a2, PS_UM_BIT, 1f     # jump if user mode
 
         movi    a0, _kernel_exception
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index 2bc1e145c0a4..54c3be313bfa 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -43,7 +43,7 @@
 /* IO protection is currently unsupported. */
 
 ENTRY(fast_io_protect)
-        wsr     a0, EXCSAVE_1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0
 
@@ -220,7 +220,7 @@ ENTRY(coprocessor_restore)
  */
 
 ENTRY(fast_coprocessor_double)
-        wsr     a0, EXCSAVE_1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0
 
@@ -229,13 +229,13 @@ ENTRY(fast_coprocessor)
 
         /* Save remaining registers a1-a3 and SAR */
 
-        xsr     a3, EXCSAVE_1
+        xsr     a3, excsave1
         s32i    a3, a2, PT_AREG3
-        rsr     a3, SAR
+        rsr     a3, sar
         s32i    a1, a2, PT_AREG1
         s32i    a3, a2, PT_SAR
         mov     a1, a2
-        rsr     a2, DEPC
+        rsr     a2, depc
         s32i    a2, a1, PT_AREG2
 
         /*
@@ -248,17 +248,17 @@ ENTRY(fast_coprocessor)
 
         /* Find coprocessor number. Subtract first CP EXCCAUSE from EXCCAUSE */
 
-        rsr     a3, EXCCAUSE
+        rsr     a3, exccause
         addi    a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED
 
         /* Set corresponding CPENABLE bit -> (sar:cp-index, a3: 1<<cp-index)*/
 
         ssl     a3                      # SAR: 32 - coprocessor_number
         movi    a2, 1
-        rsr     a0, CPENABLE
+        rsr     a0, cpenable
         sll     a2, a2
         or      a0, a0, a2
-        wsr     a0, CPENABLE
+        wsr     a0, cpenable
         rsync
 
         /* Retrieve previous owner. (a3 still holds CP number) */
@@ -291,7 +291,7 @@ ENTRY(fast_coprocessor)
 
         /* Note that only a0 and a1 were preserved. */
 
-2:      rsr     a3, EXCCAUSE
+2:      rsr     a3, exccause
         addi    a3, a3, -EXCCAUSE_COPROCESSOR0_DISABLED
         movi    a0, coprocessor_owner
         addx4   a0, a3, a0
@@ -321,7 +321,7 @@ ENTRY(fast_coprocessor)
         l32i    a0, a1, PT_SAR
         l32i    a3, a1, PT_AREG3
         l32i    a2, a1, PT_AREG2
-        wsr     a0, SAR
+        wsr     a0, sar
         l32i    a0, a1, PT_AREG0
         l32i    a1, a1, PT_AREG1
 
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 7e6236073397..18453067c258 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -112,8 +112,8 @@ ENTRY(user_exception)
 
         /* Save a2, a3, and depc, restore excsave_1 and set SP. */
 
-        xsr     a3, EXCSAVE_1
-        rsr     a0, DEPC
+        xsr     a3, excsave1
+        rsr     a0, depc
         s32i    a1, a2, PT_AREG1
         s32i    a0, a2, PT_AREG2
         s32i    a3, a2, PT_AREG3
@@ -125,16 +125,16 @@ _user_exception:
         /* Save SAR and turn off single stepping */
 
         movi    a2, 0
-        rsr     a3, SAR
-        xsr     a2, ICOUNTLEVEL
+        rsr     a3, sar
+        xsr     a2, icountlevel
         s32i    a3, a1, PT_SAR
         s32i    a2, a1, PT_ICOUNTLEVEL
 
         /* Rotate ws so that the current windowbase is at bit0. */
         /* Assume ws = xxwww1yyyy. Rotate ws right, so that a2 = yyyyxxwww1 */
 
-        rsr     a2, WINDOWBASE
-        rsr     a3, WINDOWSTART
+        rsr     a2, windowbase
+        rsr     a3, windowstart
         ssr     a2
         s32i    a2, a1, PT_WINDOWBASE
         s32i    a3, a1, PT_WINDOWSTART
@@ -205,12 +205,12 @@ _user_exception:
 
         /* WINDOWBASE still in SAR! */
 
-        rsr     a2, SAR                 # original WINDOWBASE
+        rsr     a2, sar                 # original WINDOWBASE
         movi    a3, 1
         ssl     a2
         sll     a3, a3
-        wsr     a3, WINDOWSTART         # set corresponding WINDOWSTART bit
-        wsr     a2, WINDOWBASE          # and WINDOWSTART
+        wsr     a3, windowstart         # set corresponding WINDOWSTART bit
+        wsr     a2, windowbase          # and WINDOWSTART
         rsync
 
         /* We are back to the original stack pointer (a1) */
@@ -252,8 +252,8 @@ ENTRY(kernel_exception)
 
         /* Save a0, a2, a3, DEPC and set SP. */
 
-        xsr     a3, EXCSAVE_1           # restore a3, excsave_1
-        rsr     a0, DEPC                # get a2
+        xsr     a3, excsave1            # restore a3, excsave_1
+        rsr     a0, depc                # get a2
         s32i    a1, a2, PT_AREG1
         s32i    a0, a2, PT_AREG2
         s32i    a3, a2, PT_AREG3
@@ -265,16 +265,16 @@ _kernel_exception:
         /* Save SAR and turn off single stepping */
 
         movi    a2, 0
-        rsr     a3, SAR
-        xsr     a2, ICOUNTLEVEL
+        rsr     a3, sar
+        xsr     a2, icountlevel
         s32i    a3, a1, PT_SAR
         s32i    a2, a1, PT_ICOUNTLEVEL
 
         /* Rotate ws so that the current windowbase is at bit0. */
         /* Assume ws = xxwww1yyyy. Rotate ws right, so that a2 = yyyyxxwww1 */
 
-        rsr     a2, WINDOWBASE          # don't need to save these, we only
-        rsr     a3, WINDOWSTART         # need shifted windowstart: windowmask
+        rsr     a2, windowbase          # don't need to save these, we only
+        rsr     a3, windowstart         # need shifted windowstart: windowmask
         ssr     a2
         slli    a2, a3, 32-WSBITS
         src     a2, a3, a2
@@ -323,24 +323,24 @@ common_exception:
 
         /* Save some registers, disable loops and clear the syscall flag. */
 
-        rsr     a2, DEBUGCAUSE
-        rsr     a3, EPC_1
+        rsr     a2, debugcause
+        rsr     a3, epc1
         s32i    a2, a1, PT_DEBUGCAUSE
         s32i    a3, a1, PT_PC
 
         movi    a2, -1
-        rsr     a3, EXCVADDR
+        rsr     a3, excvaddr
         s32i    a2, a1, PT_SYSCALL
         movi    a2, 0
         s32i    a3, a1, PT_EXCVADDR
-        xsr     a2, LCOUNT
+        xsr     a2, lcount
         s32i    a2, a1, PT_LCOUNT
 
         /* It is now save to restore the EXC_TABLE_FIXUP variable. */
 
-        rsr     a0, EXCCAUSE
+        rsr     a0, exccause
         movi    a3, 0
-        rsr     a2, EXCSAVE_1
+        rsr     a2, excsave1
         s32i    a0, a1, PT_EXCCAUSE
         s32i    a3, a2, EXC_TABLE_FIXUP
 
@@ -352,22 +352,22 @@ common_exception:
          *     (interrupts disabled) and if this exception is not an interrupt.
          */
 
-        rsr     a3, PS
+        rsr     a3, ps
         addi    a0, a0, -4
         movi    a2, 1
         extui   a3, a3, 0, 1            # a3 = PS.INTLEVEL[0]
         moveqz  a3, a2, a0              # a3 = 1 iff interrupt exception
         movi    a2, 1 << PS_WOE_BIT
         or      a3, a3, a2
-        rsr     a0, EXCCAUSE
-        xsr     a3, PS
+        rsr     a0, exccause
+        xsr     a3, ps
 
         s32i    a3, a1, PT_PS           # save ps
 
-        /* Save LBEG, LEND */
+        /* Save lbeg, lend */
 
-        rsr     a2, LBEG
-        rsr     a3, LEND
+        rsr     a2, lbeg
+        rsr     a3, lend
         s32i    a2, a1, PT_LBEG
         s32i    a3, a1, PT_LEND
 
@@ -432,7 +432,7 @@ common_exception_return:
 
         load_xtregs_opt a1 a2 a4 a5 a6 a7 PT_XTREGS_OPT
 
-        wsr     a3, PS          /* disable interrupts */
+        wsr     a3, ps          /* disable interrupts */
 
         _bbci.l a3, PS_UM_BIT, kernel_exception_exit
 
@@ -444,12 +444,12 @@ user_exception_exit:
 
         l32i    a2, a1, PT_WINDOWBASE
         l32i    a3, a1, PT_WINDOWSTART
-        wsr     a1, DEPC                # use DEPC as temp storage
-        wsr     a3, WINDOWSTART         # restore WINDOWSTART
+        wsr     a1, depc                # use DEPC as temp storage
+        wsr     a3, windowstart         # restore WINDOWSTART
         ssr     a2                      # preserve user's WB in the SAR
-        wsr     a2, WINDOWBASE          # switch to user's saved WB
+        wsr     a2, windowbase          # switch to user's saved WB
         rsync
-        rsr     a1, DEPC                # restore stack pointer
+        rsr     a1, depc                # restore stack pointer
         l32i    a2, a1, PT_WMASK        # register frames saved (in bits 4...9)
         rotw    -1                      # we restore a4..a7
         _bltui  a6, 16, 1f              # only have to restore current window?
@@ -475,8 +475,8 @@ user_exception_exit:
 
         /* Clear unrestored registers (don't leak anything to user-land */
 
-1:      rsr     a0, WINDOWBASE
-        rsr     a3, SAR
+1:      rsr     a0, windowbase
+        rsr     a3, sar
         sub     a3, a0, a3
         beqz    a3, 2f
         extui   a3, a3, 0, WBBITS
@@ -556,7 +556,7 @@ kernel_exception_exit:
 
         /* Test WINDOWSTART now. If spilled, do the movsp */
 
-        rsr     a3, WINDOWSTART
+        rsr     a3, windowstart
         addi    a0, a3, -1
         and     a3, a3, a0
         _bnez   a3, common_exception_exit
@@ -604,24 +604,24 @@ common_exception_exit:
 
 1:      l32i    a2, a1, PT_PC
         l32i    a3, a1, PT_SAR
-        wsr     a2, EPC_1
-        wsr     a3, SAR
+        wsr     a2, epc1
+        wsr     a3, sar
 
         /* Restore LBEG, LEND, LCOUNT */
 
         l32i    a2, a1, PT_LBEG
         l32i    a3, a1, PT_LEND
-        wsr     a2, LBEG
+        wsr     a2, lbeg
         l32i    a2, a1, PT_LCOUNT
-        wsr     a3, LEND
-        wsr     a2, LCOUNT
+        wsr     a3, lend
+        wsr     a2, lcount
 
         /* We control single stepping through the ICOUNTLEVEL register. */
 
         l32i    a2, a1, PT_ICOUNTLEVEL
         movi    a3, -2
-        wsr     a2, ICOUNTLEVEL
-        wsr     a3, ICOUNT
+        wsr     a2, icountlevel
+        wsr     a3, icount
 
         /* Check if it was double exception. */
 
@@ -636,7 +636,7 @@ common_exception_exit:
         l32i    a1, a1, PT_AREG1
         rfe
 
-1:      wsr     a0, DEPC
+1:      wsr     a0, depc
         l32i    a0, a1, PT_AREG0
         l32i    a1, a1, PT_AREG1
         rfde
@@ -651,25 +651,25 @@ common_exception_exit:
 
 ENTRY(debug_exception)
 
-        rsr     a0, EPS + XCHAL_DEBUGLEVEL
+        rsr     a0, SREG_EPS + XCHAL_DEBUGLEVEL
         bbsi.l  a0, PS_EXCM_BIT, 1f     # exception mode
 
-        /* Set EPC_1 and EXCCAUSE */
+        /* Set EPC1 and EXCCAUSE */
 
-        wsr     a2, DEPC                # save a2 temporarily
-        rsr     a2, EPC + XCHAL_DEBUGLEVEL
-        wsr     a2, EPC_1
+        wsr     a2, depc                # save a2 temporarily
+        rsr     a2, SREG_EPC + XCHAL_DEBUGLEVEL
+        wsr     a2, epc1
 
         movi    a2, EXCCAUSE_MAPPED_DEBUG
-        wsr     a2, EXCCAUSE
+        wsr     a2, exccause
 
         /* Restore PS to the value before the debug exc but with PS.EXCM set.*/
 
         movi    a2, 1 << PS_EXCM_BIT
         or      a2, a0, a2
         movi    a0, debug_exception     # restore a3, debug jump vector
-        wsr     a2, PS
-        xsr     a0, EXCSAVE + XCHAL_DEBUGLEVEL
+        wsr     a2, ps
+        xsr     a0, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
 
         /* Switch to kernel/user stack, restore jump vector, and save a0 */
 
@@ -680,19 +680,19 @@ ENTRY(debug_exception)
         movi    a0, 0
         s32i    a1, a2, PT_AREG1
         s32i    a0, a2, PT_DEPC         # mark it as a regular exception
-        xsr     a0, DEPC
+        xsr     a0, depc
         s32i    a3, a2, PT_AREG3
         s32i    a0, a2, PT_AREG2
         mov     a1, a2
         j       _kernel_exception
 
-2:      rsr     a2, EXCSAVE_1
+2:      rsr     a2, excsave1
         l32i    a2, a2, EXC_TABLE_KSTK  # load kernel stack pointer
         s32i    a0, a2, PT_AREG0
         movi    a0, 0
         s32i    a1, a2, PT_AREG1
         s32i    a0, a2, PT_DEPC
-        xsr     a0, DEPC
+        xsr     a0, depc
         s32i    a3, a2, PT_AREG3
         s32i    a0, a2, PT_AREG2
         mov     a1, a2
@@ -732,12 +732,12 @@ ENTRY(unrecoverable_exception)
         movi    a0, 1
         movi    a1, 0
 
-        wsr     a0, WINDOWSTART
-        wsr     a1, WINDOWBASE
+        wsr     a0, windowstart
+        wsr     a1, windowbase
         rsync
 
         movi    a1, (1 << PS_WOE_BIT) | 1
-        wsr     a1, PS
+        wsr     a1, ps
         rsync
 
         movi    a1, init_task
@@ -793,7 +793,7 @@ ENTRY(fast_alloca)
         l32i    a0, a2, PT_DEPC
         _bgeui  a0, VALID_DOUBLE_EXCEPTION_ADDRESS, .Lunhandled_double
 
-        rsr     a0, DEPC                # get a2
+        rsr     a0, depc                # get a2
         s32i    a4, a2, PT_AREG4        # save a4 and
         s32i    a0, a2, PT_AREG2        # a2 to stack
 
@@ -804,8 +804,8 @@ ENTRY(fast_alloca)
 
         /* Restore a3, excsave_1 */
 
-        xsr     a3, EXCSAVE_1           # make sure excsave_1 is valid for dbl.
-        rsr     a4, EPC_1               # get exception address
+        xsr     a3, excsave1            # make sure excsave_1 is valid for dbl.
+        rsr     a4, epc1                # get exception address
         s32i    a3, a2, PT_AREG3        # save a3 to stack
 
 #ifdef ALLOCA_EXCEPTION_IN_IRAM
@@ -820,7 +820,7 @@ ENTRY(fast_alloca)
         jx      a3
 
 .Lunhandled_double:
-        wsr     a0, EXCSAVE_1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0
 
@@ -852,7 +852,7 @@ ENTRY(fast_alloca)
 #endif
         addi    a4, a4, 3               # step over movsp
         _EXTUI_MOVSP_DST(a0)            # extract destination register
-        wsr     a4, EPC_1               # save new epc_1
+        wsr     a4, epc1                # save new epc_1
 
         _bnei   a0, 1, 1f               # no 'movsp a1, ax': jump
 
@@ -953,14 +953,14 @@ ENTRY(fast_syscall_kernel)
 
         /* Skip syscall. */
 
-        rsr     a0, EPC_1
+        rsr     a0, epc1
         addi    a0, a0, 3
-        wsr     a0, EPC_1
+        wsr     a0, epc1
 
         l32i    a0, a2, PT_DEPC
         bgeui   a0, VALID_DOUBLE_EXCEPTION_ADDRESS, fast_syscall_unrecoverable
 
-        rsr     a0, DEPC                        # get syscall-nr
+        rsr     a0, depc                        # get syscall-nr
         _beqz   a0, fast_syscall_spill_registers
         _beqi   a0, __NR_xtensa, fast_syscall_xtensa
 
@@ -970,14 +970,14 @@ ENTRY(fast_syscall_user)
 
         /* Skip syscall. */
 
-        rsr     a0, EPC_1
+        rsr     a0, epc1
         addi    a0, a0, 3
-        wsr     a0, EPC_1
+        wsr     a0, epc1
 
         l32i    a0, a2, PT_DEPC
         bgeui   a0, VALID_DOUBLE_EXCEPTION_ADDRESS, fast_syscall_unrecoverable
 
-        rsr     a0, DEPC                        # get syscall-nr
+        rsr     a0, depc                        # get syscall-nr
         _beqz   a0, fast_syscall_spill_registers
         _beqi   a0, __NR_xtensa, fast_syscall_xtensa
 
@@ -988,10 +988,10 @@ ENTRY(fast_syscall_unrecoverable)
         /* Restore all states. */
 
         l32i    a0, a2, PT_AREG0        # restore a0
-        xsr     a2, DEPC                # restore a2, depc
-        rsr     a3, EXCSAVE_1
+        xsr     a2, depc                # restore a2, depc
+        rsr     a3, excsave1
 
-        wsr     a0, EXCSAVE_1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0
 
@@ -1047,7 +1047,7 @@ ENTRY(fast_syscall_unrecoverable)
 
 ENTRY(fast_syscall_xtensa)
 
-        xsr     a3, EXCSAVE_1           # restore a3, excsave1
+        xsr     a3, excsave1            # restore a3, excsave1
 
         s32i    a7, a2, PT_AREG7        # we need an additional register
         movi    a7, 4                   # sizeof(unsigned int)
@@ -1124,13 +1124,13 @@ ENTRY(fast_syscall_spill_registers)
 
         movi    a0, fast_syscall_spill_registers_fixup
         s32i    a0, a3, EXC_TABLE_FIXUP
-        rsr     a0, WINDOWBASE
+        rsr     a0, windowbase
         s32i    a0, a3, EXC_TABLE_PARAM
 
         /* Save a3 and SAR on stack. */
 
-        rsr     a0, SAR
-        xsr     a3, EXCSAVE_1           # restore a3 and excsave_1
+        rsr     a0, sar
+        xsr     a3, excsave1            # restore a3 and excsave_1
         s32i    a3, a2, PT_AREG3
         s32i    a4, a2, PT_AREG4
         s32i    a0, a2, PT_AREG5        # store SAR to PT_AREG5
@@ -1148,7 +1148,7 @@ ENTRY(fast_syscall_spill_registers)
         l32i    a3, a2, PT_AREG5
         l32i    a4, a2, PT_AREG4
         l32i    a0, a2, PT_AREG0
-        wsr     a3, SAR
+        wsr     a3, sar
         l32i    a3, a2, PT_AREG3
 
         /* Restore clobbered registers. */
@@ -1173,8 +1173,8 @@ ENTRY(fast_syscall_spill_registers)
 
 fast_syscall_spill_registers_fixup:
 
-        rsr     a2, WINDOWBASE  # get current windowbase (a2 is saved)
-        xsr     a0, DEPC        # restore depc and a0
+        rsr     a2, windowbase  # get current windowbase (a2 is saved)
+        xsr     a0, depc        # restore depc and a0
         ssl     a2              # set shift (32 - WB)
 
         /* We need to make sure the current registers (a0-a3) are preserved.
@@ -1182,12 +1182,12 @@ fast_syscall_spill_registers_fixup:
          * in WS, so that the exception handlers save them to the task stack.
          */
 
-        rsr     a3, EXCSAVE_1   # get spill-mask
+        rsr     a3, excsave1    # get spill-mask
         slli    a2, a3, 1       # shift left by one
 
         slli    a3, a2, 32-WSBITS
         src     a2, a2, a3      # a1 = xxwww1yyxxxwww1yy......
-        wsr     a2, WINDOWSTART # set corrected windowstart
+        wsr     a2, windowstart # set corrected windowstart
 
         movi    a3, exc_table
         l32i    a2, a3, EXC_TABLE_DOUBLE_SAVE   # restore a2
@@ -1201,7 +1201,7 @@ fast_syscall_spill_registers_fixup:
          * excsave_1:   a3
          */
 
-        wsr     a3, WINDOWBASE
+        wsr     a3, windowbase
         rsync
 
         /* We are now in the original frame when we entered _spill_registers:
@@ -1227,7 +1227,7 @@ fast_syscall_spill_registers_fixup:
         /* Jump to the exception handler. */
 
         movi    a3, exc_table
-        rsr     a0, EXCCAUSE
+        rsr     a0, exccause
         addx4   a0, a0, a3                      # find entry in table
         l32i    a0, a0, EXC_TABLE_FAST_USER     # load handler
         jx      a0
@@ -1236,28 +1236,28 @@ fast_syscall_spill_registers_fixup_return:
 
         /* When we return here, all registers have been restored (a2: DEPC) */
 
-        wsr     a2, DEPC                # exception address
+        wsr     a2, depc                # exception address
 
         /* Restore fixup handler. */
 
-        xsr     a3, EXCSAVE_1
+        xsr     a3, excsave1
         movi    a2, fast_syscall_spill_registers_fixup
         s32i    a2, a3, EXC_TABLE_FIXUP
-        rsr     a2, WINDOWBASE
+        rsr     a2, windowbase
         s32i    a2, a3, EXC_TABLE_PARAM
         l32i    a2, a3, EXC_TABLE_KSTK
 
         /* Load WB at the time the exception occurred. */
 
-        rsr     a3, SAR                 # WB is still in SAR
+        rsr     a3, sar                 # WB is still in SAR
         neg     a3, a3
-        wsr     a3, WINDOWBASE
+        wsr     a3, windowbase
         rsync
 
         /* Restore a3 and return. */
 
         movi    a3, exc_table
-        xsr     a3, EXCSAVE_1
+        xsr     a3, excsave1
 
         rfde
 
@@ -1283,8 +1283,8 @@ ENTRY(_spill_registers)
          * Rotate ws right so that a4 = yyxxxwww1.
          */
 
-        rsr     a4, WINDOWBASE
-        rsr     a3, WINDOWSTART         # a3 = xxxwww1yy
+        rsr     a4, windowbase
+        rsr     a3, windowstart         # a3 = xxxwww1yy
         ssr     a4                      # holds WB
         slli    a4, a3, WSBITS
         or      a3, a3, a4              # a3 = xxxwww1yyxxxwww1yy
@@ -1302,7 +1302,7 @@ ENTRY(_spill_registers)
 
         /* Skip empty frames - get 'oldest' WINDOWSTART-bit. */
 
-        wsr     a3, WINDOWSTART         # save shifted windowstart
+        wsr     a3, windowstart         # save shifted windowstart
         neg     a4, a3
         and     a3, a4, a3              # first bit set from right: 000010000
 
@@ -1311,12 +1311,12 @@ ENTRY(_spill_registers)
         sub     a4, a3, a4              # WSBITS-a4:number of 0-bits from right
         ssr     a4                      # save in SAR for later.
 
-        rsr     a3, WINDOWBASE
+        rsr     a3, windowbase
         add     a3, a3, a4
-        wsr     a3, WINDOWBASE
+        wsr     a3, windowbase
         rsync
 
-        rsr     a3, WINDOWSTART
+        rsr     a3, windowstart
         srl     a3, a3                  # shift windowstart
 
         /* WB is now just one frame below the oldest frame in the register
@@ -1364,11 +1364,11 @@ ENTRY(_spill_registers)
 .Lexit: /* Done. Do the final rotation, set WS, and return. */
 
         rotw    1
-        rsr     a3, WINDOWBASE
+        rsr     a3, windowbase
         ssl     a3
         movi    a3, 1
         sll     a3, a3
-        wsr     a3, WINDOWSTART
+        wsr     a3, windowstart
         ret
 
 .Lc4:   s32e    a4, a9, -16
@@ -1429,7 +1429,7 @@ ENTRY(_spill_registers)
          * however, this condition is unrecoverable in kernel space.
          */
 
-        rsr     a0, PS
+        rsr     a0, ps
         _bbci.l a0, PS_UM_BIT, 1f
 
         /* User space: Setup a dummy frame and kill application.
@@ -1439,18 +1439,18 @@ ENTRY(_spill_registers)
         movi    a0, 1
         movi    a1, 0
 
-        wsr     a0, WINDOWSTART
-        wsr     a1, WINDOWBASE
+        wsr     a0, windowstart
+        wsr     a1, windowbase
         rsync
 
         movi    a0, 0
 
         movi    a3, exc_table
         l32i    a1, a3, EXC_TABLE_KSTK
-        wsr     a3, EXCSAVE_1
+        wsr     a3, excsave1
 
         movi    a4, (1 << PS_WOE_BIT) | 1
-        wsr     a4, PS
+        wsr     a4, ps
         rsync
 
         movi    a6, SIGSEGV
@@ -1459,7 +1459,7 @@ ENTRY(_spill_registers)
 
 1:      /* Kernel space: PANIC! */
 
-        wsr     a0, EXCSAVE_1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0              # should not return
 1:      j       1b
@@ -1524,7 +1524,7 @@ ENTRY(fast_second_level_miss)
 
         /* We deliberately destroy a3 that holds the exception table. */
 
-8:      rsr     a3, EXCVADDR            # fault address
+8:      rsr     a3, excvaddr            # fault address
         _PGD_OFFSET(a0, a3, a1)
         l32i    a0, a0, 0               # read pmdval
         beqz    a0, 2f
@@ -1542,7 +1542,7 @@ ENTRY(fast_second_level_miss)
          * pteval = ((pmdval - PAGE_OFFSET) & PAGE_MASK) | PAGE_DIRECTORY
          */
 
-        movi    a1, -PAGE_OFFSET
+        movi    a1, (-PAGE_OFFSET) & 0xffffffff
         add     a0, a0, a1              # pmdval - PAGE_OFFSET
         extui   a1, a0, 0, PAGE_SHIFT   # ... & PAGE_MASK
         xor     a0, a0, a1
@@ -1561,7 +1561,7 @@ ENTRY(fast_second_level_miss)
          */
 
         extui   a3, a3, 28, 2           # addr. bit 28 and 29   0,1,2,3
-        rsr     a1, PTEVADDR
+        rsr     a1, ptevaddr
         addx2   a3, a3, a3              # ->                    0,3,6,9
         srli    a1, a1, PAGE_SHIFT
         extui   a3, a3, 2, 2            # ->                    0,0,1,2
@@ -1583,18 +1583,18 @@ ENTRY(fast_second_level_miss)
         l32i    a0, a2, PT_AREG0
         l32i    a1, a2, PT_AREG1
         l32i    a2, a2, PT_DEPC
-        xsr     a3, EXCSAVE_1
+        xsr     a3, excsave1
 
         bgeui   a2, VALID_DOUBLE_EXCEPTION_ADDRESS, 1f
 
         /* Restore excsave1 and return. */
 
-        rsr     a2, DEPC
+        rsr     a2, depc
         rfe
 
         /* Return from double exception. */
 
-1:      xsr     a2, DEPC
+1:      xsr     a2, depc
         esync
         rfde
 
@@ -1618,7 +1618,7 @@ ENTRY(fast_second_level_miss)
         /* Make sure the exception originated in the special functions */
 
         movi    a0, __tlbtemp_mapping_start
-        rsr     a3, EPC_1
+        rsr     a3, epc1
         bltu    a3, a0, 2f
         movi    a0, __tlbtemp_mapping_end
         bgeu    a3, a0, 2f
@@ -1626,7 +1626,7 @@ ENTRY(fast_second_level_miss)
         /* Check if excvaddr was in one of the TLBTEMP_BASE areas. */
 
         movi    a3, TLBTEMP_BASE_1
-        rsr     a0, EXCVADDR
+        rsr     a0, excvaddr
         bltu    a0, a3, 2f
 
         addi    a1, a0, -(2 << (DCACHE_ALIAS_ORDER + PAGE_SHIFT))
@@ -1635,7 +1635,7 @@ ENTRY(fast_second_level_miss)
         /* Check if we have to restore an ITLB mapping. */
 
         movi    a1, __tlbtemp_mapping_itlb
-        rsr     a3, EPC_1
+        rsr     a3, epc1
         sub     a3, a3, a1
 
         /* Calculate VPN */
@@ -1671,13 +1671,13 @@ ENTRY(fast_second_level_miss)
 2:      /* Invalid PGD, default exception handling */
 
         movi    a3, exc_table
-        rsr     a1, DEPC
-        xsr     a3, EXCSAVE_1
+        rsr     a1, depc
+        xsr     a3, excsave1
         s32i    a1, a2, PT_AREG2
         s32i    a3, a2, PT_AREG3
         mov     a1, a2
 
-        rsr     a2, PS
+        rsr     a2, ps
         bbsi.l  a2, PS_UM_BIT, 1f
         j       _kernel_exception
 1:      j       _user_exception
@@ -1712,7 +1712,7 @@ ENTRY(fast_store_prohibited)
         l32i    a0, a1, TASK_MM         # tsk->mm
         beqz    a0, 9f
 
-8:      rsr     a1, EXCVADDR            # fault address
+8:      rsr     a1, excvaddr            # fault address
         _PGD_OFFSET(a0, a1, a4)
         l32i    a0, a0, 0
         beqz    a0, 2f
@@ -1725,7 +1725,7 @@ ENTRY(fast_store_prohibited)
 
         movi    a1, _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_HW_WRITE
         or      a4, a4, a1
-        rsr     a1, EXCVADDR
+        rsr     a1, excvaddr
         s32i    a4, a0, 0
 
         /* We need to flush the cache if we have page coloring. */
@@ -1749,15 +1749,15 @@ ENTRY(fast_store_prohibited)
 
         /* Restore excsave1 and a3. */
 
-        xsr     a3, EXCSAVE_1
+        xsr     a3, excsave1
         bgeui   a2, VALID_DOUBLE_EXCEPTION_ADDRESS, 1f
 
-        rsr     a2, DEPC
+        rsr     a2, depc
         rfe
 
         /* Double exception. Restore FIXUP handler and return. */
 
-1:      xsr     a2, DEPC
+1:      xsr     a2, depc
         esync
         rfde
 
@@ -1766,14 +1766,14 @@ ENTRY(fast_store_prohibited)
 
 2:      /* If there was a problem, handle fault in C */
 
-        rsr     a4, DEPC        # still holds a2
-        xsr     a3, EXCSAVE_1
+        rsr     a4, depc        # still holds a2
+        xsr     a3, excsave1
         s32i    a4, a2, PT_AREG2
         s32i    a3, a2, PT_AREG3
         l32i    a4, a2, PT_AREG4
         mov     a1, a2
 
-        rsr     a2, PS
+        rsr     a2, ps
         bbsi.l  a2, PS_UM_BIT, 1f
         j       _kernel_exception
 1:      j       _user_exception
@@ -1901,8 +1901,8 @@ ENTRY(_switch_to)
         /* Disable ints while we manipulate the stack pointer. */
 
         movi    a14, (1 << PS_EXCM_BIT) | LOCKLEVEL
-        xsr     a14, PS
-        rsr     a3, EXCSAVE_1
+        xsr     a14, ps
+        rsr     a3, excsave1
         rsync
         s32i    a3, a3, EXC_TABLE_FIXUP /* enter critical section */
 
@@ -1910,7 +1910,7 @@ ENTRY(_switch_to)
 
 #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
         l32i    a3, a5, THREAD_CPENABLE
-        xsr     a3, CPENABLE
+        xsr     a3, cpenable
         s32i    a3, a4, THREAD_CPENABLE
 #endif
 
@@ -1924,7 +1924,7 @@ ENTRY(_switch_to)
          *       we return from kernel space.
          */
 
-        rsr     a3, EXCSAVE_1           # exc_table
+        rsr     a3, excsave1            # exc_table
         movi    a6, 0
         addi    a7, a5, PT_REGS_OFFSET
         s32i    a6, a3, EXC_TABLE_FIXUP
@@ -1937,7 +1937,7 @@ ENTRY(_switch_to)
 
         load_xtregs_user a5 a6 a8 a9 a10 a11 THREAD_XTREGS_USER
 
-        wsr     a14, PS
+        wsr     a14, ps
         mov     a2, a12                 # return 'prev'
         rsync
 
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index 3ef91a73652d..bdc50788f35e 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -61,18 +61,18 @@ _startup:
         /* Disable interrupts and exceptions. */
 
         movi    a0, LOCKLEVEL
-        wsr     a0, PS
+        wsr     a0, ps
 
         /* Preserve the pointer to the boot parameter list in EXCSAVE_1 */
 
-        wsr     a2, EXCSAVE_1
+        wsr     a2, excsave1
 
         /* Start with a fresh windowbase and windowstart.  */
 
         movi    a1, 1
         movi    a0, 0
-        wsr     a1, WINDOWSTART
-        wsr     a0, WINDOWBASE
+        wsr     a1, windowstart
+        wsr     a0, windowbase
         rsync
 
         /* Set a0 to 0 for the remaining initialization. */
@@ -82,46 +82,46 @@ _startup:
         /* Clear debugging registers. */
 
 #if XCHAL_HAVE_DEBUG
-        wsr     a0, IBREAKENABLE
-        wsr     a0, ICOUNT
+        wsr     a0, ibreakenable
+        wsr     a0, icount
         movi    a1, 15
-        wsr     a0, ICOUNTLEVEL
+        wsr     a0, icountlevel
 
         .set    _index, 0
         .rept   XCHAL_NUM_DBREAK - 1
-        wsr     a0, DBREAKC + _index
+        wsr     a0, SREG_DBREAKC + _index
         .set    _index, _index + 1
         .endr
 #endif
 
         /* Clear CCOUNT (not really necessary, but nice) */
 
-        wsr     a0, CCOUNT      # not really necessary, but nice
+        wsr     a0, ccount      # not really necessary, but nice
 
         /* Disable zero-loops. */
 
 #if XCHAL_HAVE_LOOPS
-        wsr     a0, LCOUNT
+        wsr     a0, lcount
 #endif
 
         /* Disable all timers. */
 
         .set    _index, 0
         .rept   XCHAL_NUM_TIMERS - 1
-        wsr     a0, CCOMPARE + _index
+        wsr     a0, SREG_CCOMPARE + _index
         .set    _index, _index + 1
         .endr
 
         /* Interrupt initialization. */
 
         movi    a2, XCHAL_INTTYPE_MASK_SOFTWARE | XCHAL_INTTYPE_MASK_EXTERN_EDGE
-        wsr     a0, INTENABLE
-        wsr     a2, INTCLEAR
+        wsr     a0, intenable
+        wsr     a2, intclear
 
         /* Disable coprocessors. */
 
 #if XCHAL_CP_NUM > 0
-        wsr     a0, CPENABLE
+        wsr     a0, cpenable
 #endif
 
         /* Set PS.INTLEVEL=1, PS.WOE=0, kernel stack, PS.EXCM=0
@@ -132,7 +132,7 @@ _startup:
          */
 
         movi    a1, 1
-        wsr     a1, PS
+        wsr     a1, ps
         rsync
 
         /*  Initialize the caches.
@@ -206,18 +206,18 @@ _startup:
         addi    a1, a1, KERNEL_STACK_SIZE
 
         movi    a2, 0x00040001          # WOE=1, INTLEVEL=1, UM=0
-        wsr     a2, PS                  # (enable reg-windows; progmode stack)
+        wsr     a2, ps                  # (enable reg-windows; progmode stack)
         rsync
 
         /* Set up EXCSAVE[DEBUGLEVEL] to point to the Debug Exception Handler.*/
 
         movi    a2, debug_exception
-        wsr     a2, EXCSAVE + XCHAL_DEBUGLEVEL
+        wsr     a2, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
 
         /* Set up EXCSAVE[1] to point to the exc_table. */
 
         movi    a6, exc_table
-        xsr     a6, EXCSAVE_1
+        xsr     a6, excsave1
 
         /* init_arch kick-starts the linux kernel */
 
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 98e77c3ef1c3..a6ce3e563739 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -72,13 +72,13 @@ int arch_show_interrupts(struct seq_file *p, int prec)
 static void xtensa_irq_mask(struct irq_data *d)
 {
         cached_irq_mask &= ~(1 << d->irq);
-        set_sr (cached_irq_mask, INTENABLE);
+        set_sr (cached_irq_mask, intenable);
 }
 
 static void xtensa_irq_unmask(struct irq_data *d)
 {
         cached_irq_mask |= 1 << d->irq;
-        set_sr (cached_irq_mask, INTENABLE);
+        set_sr (cached_irq_mask, intenable);
 }
 
 static void xtensa_irq_enable(struct irq_data *d)
@@ -95,7 +95,7 @@ static void xtensa_irq_disable(struct irq_data *d)
 
 static void xtensa_irq_ack(struct irq_data *d)
 {
-        set_sr(1 << d->irq, INTCLEAR);
+        set_sr(1 << d->irq, intclear);
 }
 
 static int xtensa_irq_retrigger(struct irq_data *d)
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index bc020825cce5..1908f6642d31 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -173,6 +173,16 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
  *
  * Note: This is a pristine frame, so we don't need any spill region on top of
  *       childregs.
+ *
+ * The fun part:  if we're keeping the same VM (i.e. cloning a thread,
+ * not an entire process), we're normally given a new usp, and we CANNOT share
+ * any live address register windows.  If we just copy those live frames over,
+ * the two threads (parent and child) will overflow the same frames onto the
+ * parent stack at different times, likely corrupting the parent stack (esp.
+ * if the parent returns from functions that called clone() and calls new
+ * ones, before the child overflows its now old copies of its parent windows).
+ * One solution is to spill windows to the parent stack, but that's fairly
+ * involved.  Much simpler to just not copy those live frames across.
  */
 
 int copy_thread(unsigned long clone_flags, unsigned long usp,
@@ -180,10 +190,13 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
                 struct task_struct * p, struct pt_regs * regs)
 {
         struct pt_regs *childregs;
-        struct thread_info *ti;
         unsigned long tos;
         int user_mode = user_mode(regs);
 
+#if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
+        struct thread_info *ti;
+#endif
+
         /* Set up new TSS. */
         tos = (unsigned long)task_stack_page(p) + THREAD_SIZE;
         if (user_mode)
@@ -191,13 +204,14 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
         else
                 childregs = (struct pt_regs*)tos - 1;
 
+        /* This does not copy all the regs.  In a bout of brilliance or madness,
+           ARs beyond a0-a15 exist past the end of the struct. */
         *childregs = *regs;
 
         /* Create a call4 dummy-frame: a0 = 0, a1 = childregs. */
         *((int*)childregs - 3) = (unsigned long)childregs;
         *((int*)childregs - 4) = 0;
 
-        childregs->areg[1] = tos;
         childregs->areg[2] = 0;
         p->set_child_tid = p->clear_child_tid = NULL;
         p->thread.ra = MAKE_RA_FOR_CALL((unsigned long)ret_from_fork, 0x1);
@@ -205,10 +219,14 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 
         if (user_mode(regs)) {
 
-                int len = childregs->wmask & ~0xf;
                 childregs->areg[1] = usp;
-                memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4],
-                       &regs->areg[XCHAL_NUM_AREGS - len/4], len);
+                if (clone_flags & CLONE_VM) {
+                        childregs->wmask = 1;   /* can't share live windows */
+                } else {
+                        int len = childregs->wmask & ~0xf;
+                        memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4],
+                               &regs->areg[XCHAL_NUM_AREGS - len/4], len);
+                }
 // FIXME: we need to set THREADPTR in thread_info...
                 if (clone_flags & CLONE_SETTLS)
                         childregs->areg[2] = childregs->areg[6];
@@ -216,6 +234,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
         } else {
                 /* In kernel space, we start a new thread with a new stack. */
                 childregs->wmask = 1;
+                childregs->areg[1] = tos;
         }
 
 #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 270360d9806c..b237988ba6d7 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -100,7 +100,7 @@ typedef struct tagtable {
 } tagtable_t;
 
 #define __tagtable(tag, fn) static tagtable_t __tagtable_##fn           \
-        __attribute__((unused, __section__(".taglist"))) = { tag, fn }
+        __attribute__((used, section(".taglist"))) = { tag, fn }
 
 /* parse current tag */
 
@@ -120,7 +120,7 @@ static int __init parse_tag_mem(const bp_tag_t *tag)
         }
         sysmem.bank[sysmem.nr_banks].type  = mi->type;
         sysmem.bank[sysmem.nr_banks].start = PAGE_ALIGN(mi->start);
-        sysmem.bank[sysmem.nr_banks].end   = mi->end & PAGE_SIZE;
+        sysmem.bank[sysmem.nr_banks].end   = mi->end & PAGE_MASK;
         sysmem.nr_banks++;
 
         return 0;
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index 05b3f093d5d7..a5c01e74d5d5 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -34,7 +34,6 @@ syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= {
 
 #undef __SYSCALL
 #define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol,
-#undef _XTENSA_UNISTD_H
 #undef  __KERNEL_SYSCALLS__
 #include <asm/unistd.h>
 };
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index bc1e14cf9369..5caf2b64d43a 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -97,7 +97,7 @@ static dispatch_init_table_t __initdata dispatch_init_table[] = {
 /* EXCCAUSE_INTEGER_DIVIDE_BY_ZERO unhandled */
 /* EXCCAUSE_PRIVILEGED unhandled */
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
-#ifdef CONFIG_UNALIGNED_USER
+#ifdef CONFIG_XTENSA_UNALIGNED_USER
 { EXCCAUSE_UNALIGNED,           USER,      fast_unaligned },
 #else
 { EXCCAUSE_UNALIGNED,           0,         do_unaligned_user },
@@ -202,8 +202,8 @@ extern void do_IRQ(int, struct pt_regs *);
 
 void do_interrupt (struct pt_regs *regs)
 {
-        unsigned long intread = get_sr (INTREAD);
-        unsigned long intenable = get_sr (INTENABLE);
+        unsigned long intread = get_sr (interrupt);
+        unsigned long intenable = get_sr (intenable);
         int i, mask;
 
         /* Handle all interrupts (no priorities).
@@ -213,7 +213,7 @@ void do_interrupt (struct pt_regs *regs)
 
         for (i=0, mask = 1; i < XCHAL_NUM_INTERRUPTS; i++, mask <<= 1) {
                 if (mask & (intread & intenable)) {
-                        set_sr (mask, INTCLEAR);
+                        set_sr (mask, intclear);
                         do_IRQ (i,regs);
                 }
         }
@@ -244,7 +244,7 @@ do_illegal_instruction(struct pt_regs *regs)
  */
 
 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION
-#ifndef CONFIG_UNALIGNED_USER
+#ifndef CONFIG_XTENSA_UNALIGNED_USER
 void
 do_unaligned_user (struct pt_regs *regs)
 {
@@ -339,7 +339,7 @@ void __init trap_init(void)
         /* Initialize EXCSAVE_1 to hold the address of the exception table. */
 
         i = (unsigned long)exc_table;
-        __asm__ __volatile__("wsr  %0, "__stringify(EXCSAVE_1)"\n" : : "a" (i));
+        __asm__ __volatile__("wsr  %0, excsave1\n" : : "a" (i));
 }
 
 /*
@@ -386,16 +386,16 @@ static inline void spill_registers(void)
         unsigned int a0, ps;
 
         __asm__ __volatile__ (
-                "movi   a14," __stringify (PS_EXCM_BIT) " | 1\n\t"
+                "movi   a14, " __stringify(PS_EXCM_BIT | 1) "\n\t"
                 "mov    a12, a0\n\t"
-                "rsr    a13," __stringify(SAR) "\n\t"
-                "xsr    a14," __stringify(PS) "\n\t"
+                "rsr    a13, sar\n\t"
+                "xsr    a14, ps\n\t"
                 "movi   a0, _spill_registers\n\t"
                 "rsync\n\t"
                 "callx0 a0\n\t"
                 "mov    a0, a12\n\t"
-                "wsr    a13," __stringify(SAR) "\n\t"
-                "wsr    a14," __stringify(PS) "\n\t"
+                "wsr    a13, sar\n\t"
+                "wsr    a14, ps\n\t"
                 :: "a" (&a0), "a" (&ps)
                 : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory");
 }
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 70066e3582d0..4462c1e595c2 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -69,11 +69,11 @@
 
 ENTRY(_UserExceptionVector)
 
-        xsr     a3, EXCSAVE_1           # save a3 and get dispatch table
-        wsr     a2, DEPC                # save a2
+        xsr     a3, excsave1            # save a3 and get dispatch table
+        wsr     a2, depc                # save a2
         l32i    a2, a3, EXC_TABLE_KSTK  # load kernel stack to a2
         s32i    a0, a2, PT_AREG0        # save a0 to ESF
-        rsr     a0, EXCCAUSE            # retrieve exception cause
+        rsr     a0, exccause            # retrieve exception cause
         s32i    a0, a2, PT_DEPC         # mark it as a regular exception
         addx4   a0, a0, a3              # find entry in table
         l32i    a0, a0, EXC_TABLE_FAST_USER     # load handler
@@ -93,11 +93,11 @@ ENTRY(_UserExceptionVector)
 
 ENTRY(_KernelExceptionVector)
 
-        xsr     a3, EXCSAVE_1           # save a3, and get dispatch table
-        wsr     a2, DEPC                # save a2
+        xsr     a3, excsave1            # save a3, and get dispatch table
+        wsr     a2, depc                # save a2
         addi    a2, a1, -16-PT_SIZE     # adjust stack pointer
         s32i    a0, a2, PT_AREG0        # save a0 to ESF
-        rsr     a0, EXCCAUSE            # retrieve exception cause
+        rsr     a0, exccause            # retrieve exception cause
         s32i    a0, a2, PT_DEPC         # mark it as a regular exception
         addx4   a0, a0, a3              # find entry in table
         l32i    a0, a0, EXC_TABLE_FAST_KERNEL   # load handler address
@@ -205,17 +205,17 @@ ENTRY(_DoubleExceptionVector)
 
         /* Deliberately destroy excsave (don't assume it's value was valid). */
 
-        wsr     a3, EXCSAVE_1           # save a3
+        wsr     a3, excsave1            # save a3
 
         /* Check for kernel double exception (usually fatal). */
 
-        rsr     a3, PS
+        rsr     a3, ps
         _bbci.l a3, PS_UM_BIT, .Lksp
 
         /* Check if we are currently handling a window exception. */
         /* Note: We don't need to indicate that we enter a critical section. */
 
-        xsr     a0, DEPC                # get DEPC, save a0
+        xsr     a0, depc                # get DEPC, save a0
 
         movi    a3, XCHAL_WINDOW_VECTORS_VADDR
         _bltu   a0, a3, .Lfixup
@@ -243,21 +243,21 @@ ENTRY(_DoubleExceptionVector)
          * Note: We can trash the current window frame (a0...a3) and depc!
          */
 
-        wsr     a2, DEPC                # save stack pointer temporarily
-        rsr     a0, PS
+        wsr     a2, depc                # save stack pointer temporarily
+        rsr     a0, ps
         extui   a0, a0, PS_OWB_SHIFT, 4
-        wsr     a0, WINDOWBASE
+        wsr     a0, windowbase
         rsync
 
         /* We are now in the previous window frame. Save registers again. */
 
-        xsr     a2, DEPC                # save a2 and get stack pointer
+        xsr     a2, depc                # save a2 and get stack pointer
         s32i    a0, a2, PT_AREG0
 
-        wsr     a3, EXCSAVE_1           # save a3
+        wsr     a3, excsave1            # save a3
         movi    a3, exc_table
 
-        rsr     a0, EXCCAUSE
+        rsr     a0, exccause
         s32i    a0, a2, PT_DEPC         # mark it as a regular exception
         addx4   a0, a0, a3
         l32i    a0, a0, EXC_TABLE_FAST_USER
@@ -290,14 +290,14 @@ ENTRY(_DoubleExceptionVector)
 
         /* a0: depc, a1: a1, a2: kstk, a3: a2, depc: a0, excsave: a3 */
 
-        xsr     a3, DEPC
+        xsr     a3, depc
         s32i    a0, a2, PT_DEPC
         s32i    a3, a2, PT_AREG0
 
         /* a0: avail, a1: a1, a2: kstk, a3: avail, depc: a2, excsave: a3 */
 
         movi    a3, exc_table
-        rsr     a0, EXCCAUSE
+        rsr     a0, exccause
         addx4   a0, a0, a3
         l32i    a0, a0, EXC_TABLE_FAST_USER
         jx      a0
@@ -312,7 +312,7 @@ ENTRY(_DoubleExceptionVector)
 
 .Lksp:  /* a0: a0, a1: a1, a2: a2, a3: trashed, depc: depc, excsave: a3 */
 
-        rsr     a3, EXCCAUSE
+        rsr     a3, exccause
         beqi    a3, EXCCAUSE_ITLB_MISS, 1f
         addi    a3, a3, -EXCCAUSE_DTLB_MISS
         bnez    a3, .Lunrecoverable
@@ -328,11 +328,11 @@ ENTRY(_DoubleExceptionVector)
 
 .Lunrecoverable_fixup:
         l32i    a2, a3, EXC_TABLE_DOUBLE_SAVE
-        xsr     a0, DEPC
+        xsr     a0, depc
 
 .Lunrecoverable:
-        rsr     a3, EXCSAVE_1
-        wsr     a0, EXCSAVE_1
+        rsr     a3, excsave1
+        wsr     a0, excsave1
         movi    a0, unrecoverable_exception
         callx0  a0
 
@@ -349,7 +349,7 @@ ENTRY(_DoubleExceptionVector)
         .section .DebugInterruptVector.text, "ax"
 
 ENTRY(_DebugInterruptVector)
-        xsr     a0, EXCSAVE + XCHAL_DEBUGLEVEL
+        xsr     a0, SREG_EXCSAVE + XCHAL_DEBUGLEVEL
         jx      a0