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authorMike Frysinger <vapier@gentoo.org>2011-06-27 15:43:56 -0400
committerMike Frysinger <vapier@gentoo.org>2011-07-23 01:18:31 -0400
commitda31d6fb46b7671622dbfd44c7f27b0c97dc2faa (patch)
tree160b8fe6626b37113b2df9be6dae2a0af9f6847b /arch/blackfin
parent9466a0510a5445d81eaf33affc20e2f7e2e718fb (diff)
Blackfin: dpmc: don't save/restore scratch registers
The Blackfin C ABI says we do not need to save/restore R0-R3 and P0-P2 as they are available as scratch registers. So don't bother. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-common/dpmc_modes.S12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/blackfin/mach-common/dpmc_modes.S b/arch/blackfin/mach-common/dpmc_modes.S
index fa0df0ac3aea..2d1c3ce19fb1 100644
--- a/arch/blackfin/mach-common/dpmc_modes.S
+++ b/arch/blackfin/mach-common/dpmc_modes.S
@@ -12,8 +12,8 @@
.section .l1.text
ENTRY(_sleep_mode)
- [--SP] = ( R7:0, P5:0 );
- [--SP] = RETS;
+ [--SP] = (R7:4, P5:3);
+ [--SP] = RETS;
call _set_sic_iwr;
@@ -46,7 +46,7 @@ ENTRY(_sleep_mode)
call _test_pll_locked;
RETS = [SP++];
- ( R7:0, P5:0 ) = [SP++];
+ (R7:4, P5:3) = [SP++];
RTS;
ENDPROC(_sleep_mode)
@@ -81,8 +81,8 @@ ENTRY(_hibernate_mode)
ENDPROC(_hibernate_mode)
ENTRY(_sleep_deeper)
- [--SP] = ( R7:0, P5:0 );
- [--SP] = RETS;
+ [--SP] = (R7:4, P5:3);
+ [--SP] = RETS;
CLI R4;
@@ -175,7 +175,7 @@ ENTRY(_sleep_deeper)
STI R4;
RETS = [SP++];
- ( R7:0, P5:0 ) = [SP++];
+ (R7:4, P5:3) = [SP++];
RTS;
ENDPROC(_sleep_deeper)