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Commit da31d6fb authored by Mike Frysinger's avatar Mike Frysinger
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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: default avatarMike Frysinger <vapier@gentoo.org>
parent 9466a051

arch/blackfin/mach-common/dpmc_modes.S

+6 −6
Original line number Diff line number Diff line
@@ -12,7 +12,7 @@ 
.section .l1.text



ENTRY(_sleep_mode)

	[--SP] = ( R7:0, P5:0 );

	[--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)
@@ -81,7 +81,7 @@ ENTRY(_hibernate_mode) 
ENDPROC(_hibernate_mode)



ENTRY(_sleep_deeper)

	[--SP] = ( R7:0, P5:0 );

	[--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)