Commit 307094c9 authored by Huacai Chen's avatar Huacai Chen
Browse files

LoongArch: Adjust SETUP_SLEEP and SETUP_WAKEUP 



SETUP_SLEEP should only save the GPR context, which is symmetric to
SETUP_WAKEUP, so move the acpi_saved_sp handling out of SETUP_SLEEP.

Move "addi.d  sp, sp, PT_SIZE" into SETUP_WAKEUP for the same reason.

No functional changes.

Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 5d0cc7e5

arch/loongarch/power/suspend_asm.S

+6 −4
Original line number Diff line number Diff line
@@ -30,9 +30,6 @@ 
	st.d		$r29, sp, PT_R29

	st.d		$r30, sp, PT_R30

	st.d		$r31, sp, PT_R31



	la.pcrel	t0, acpi_saved_sp

	st.d		sp, t0, 0

.endm



.macro SETUP_WAKEUP
@@ -51,6 +48,7 @@ 
	ld.d		$r29, sp, PT_R29

	ld.d		$r30, sp, PT_R30

	ld.d		$r31, sp, PT_R31

	addi.d		sp, sp, PT_SIZE

.endm



	.text
@@ -59,6 +57,10 @@ 
/* Sleep/wakeup code for Loongson-3 */

SYM_FUNC_START(loongarch_suspend_enter)

	SETUP_SLEEP



	la.pcrel	t0, acpi_saved_sp

	st.d		sp, t0, 0



	bl		__flush_cache_all



	/* Pass RA and SP to BIOS */
@@ -82,7 +84,7 @@ SYM_INNER_LABEL(loongarch_wakeup_start, SYM_L_GLOBAL) 


	la.pcrel	t0, acpi_saved_sp

	ld.d		sp, t0, 0



	SETUP_WAKEUP

	addi.d		sp, sp, PT_SIZE

	jr		ra

SYM_FUNC_END(loongarch_suspend_enter)