Commit 29cdf077 authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Nicolas Ferre
Browse files

ARM: at91: pm: use r7 instead of tmp1 



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

Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-7-claudiu.beznea@microchip.com
parent 629ba8ee

arch/arm/mach-at91/pm_suspend.S

+12 −6
Original line number Diff line number Diff line
@@ -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