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| author | Mike Frysinger <vapier@gentoo.org> | 2011-06-27 15:43:56 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-07-23 01:18:31 -0400 |
| commit | da31d6fb46b7671622dbfd44c7f27b0c97dc2faa (patch) | |
| tree | 160b8fe6626b37113b2df9be6dae2a0af9f6847b /arch/blackfin | |
| parent | 9466a0510a5445d81eaf33affc20e2f7e2e718fb (diff) | |
| download | linux-3.10-da31d6fb46b7671622dbfd44c7f27b0c97dc2faa.tar.gz linux-3.10-da31d6fb46b7671622dbfd44c7f27b0c97dc2faa.tar.bz2 linux-3.10-da31d6fb46b7671622dbfd44c7f27b0c97dc2faa.zip | |
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.S | 12 |
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 fa0df0ac3ae..2d1c3ce19fb 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) |