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authorClaudiu.Beznea@microchip.com <Claudiu.Beznea@microchip.com>2020-01-21 10:03:33 +0000
committerSebastian Reichel <sebastian.reichel@collabora.com>2020-03-08 19:38:04 +0100
commit7cb290d3dd559dff5028b9418a31ecb99988f640 (patch)
tree738f2d2ddcf8ada7cd68ea794bfdc1a0075f313f /drivers/power
parent25b80b7d5a5b41cb52db441e37a04d71e7196f60 (diff)
downloadlinux-7cb290d3dd559dff5028b9418a31ecb99988f640.tar.gz
power: reset: at91-reset: use r4 as tmp argument
Use r4 as temporary register. On ARM r0-r3 should be used to hold
function arguments.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/reset/at91-reset.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c
index dc48f6850796..3b1d566350f4 100644
--- a/drivers/power/reset/at91-reset.c
+++ b/drivers/power/reset/at91-reset.c
@@ -113,8 +113,8 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
 		"beq	1f\n\t"
 
 		/* Then, test that the RAM controller is enabled */
-		"ldr	r0, [%1]\n\t"
-		"cmp	r0, #0\n\t"
+		"ldr	r4, [%1]\n\t"
+		"cmp	r4, #0\n\t"
 
 		/* Align to cache lines */
 		".balign 32\n\t"
@@ -138,7 +138,7 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
 		  "r" (1),
 		  "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN),
 		  "r" (reset->args)
-		: "r0");
+		: "r4");
 
 	return NOTIFY_DONE;
 }