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ARM: at91: pm: use r7 instead of tmp1

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Use r7 instead of tmp1 in macros. This prepares the filed for
next commits.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-7-claudiu.beznea@microchip.com
This commit is contained in:
Claudiu Beznea
2021-04-15 13:49:52 +03:00
committed by Nicolas Ferre
parent 629ba8ee03
commit 29cdf077a9
1 changed files with 12 additions and 6 deletions
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18
arch/arm/mach-at91/pm_suspend.S
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@@ -31,30 +31,36 @@ tmp3 .req r6
/*
* Wait until master oscillator has stabilized.
*
* Side effects: overwrites r7
*/
.macro wait_moscrdy
1: ldr tmp1, [pmc, #AT91_PMC_SR]
tst tmp1, #AT91_PMC_MOSCS
1: ldr r7, [pmc, #AT91_PMC_SR]
tst r7, #AT91_PMC_MOSCS
beq 1b
.endm
/*
* Wait for main oscillator selection is done
*
* Side effects: overwrites r7
*/
.macro wait_moscsels
1: ldr tmp1, [pmc, #AT91_PMC_SR]
tst tmp1, #AT91_PMC_MOSCSELS
1: ldr r7, [pmc, #AT91_PMC_SR]
tst r7, #AT91_PMC_MOSCSELS
beq 1b
.endm
/*
* Put the processor to enter the idle state
*
* Side effects: overwrites r7
*/
.macro at91_cpu_idle
#if defined(CONFIG_CPU_V7)
mov tmp1, #AT91_PMC_PCK
str tmp1, [pmc, #AT91_PMC_SCDR]
mov r7, #AT91_PMC_PCK
str r7, [pmc, #AT91_PMC_SCDR]
dsb