@@ -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
Use r7 instead of tmp1 in macros. This prepares the filed for next commits. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- arch/arm/mach-at91/pm_suspend.S | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-)