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From 8a7a4cf3860910e460e2c3ca467b1dabf7ce9827 Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Thu, 15 Apr 2021 13:49:52 +0300
Subject: [PATCH 202/247] 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: 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
---
arch/arm/mach-at91/pm_suspend.S | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -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
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