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authorClaudiu.Beznea@microchip.com <Claudiu.Beznea@microchip.com>2020-01-21 11:03:33 +0100
committerSebastian Reichel <sebastian.reichel@collabora.com>2020-03-08 19:38:04 +0100
commit7cb290d3dd559dff5028b9418a31ecb99988f640 (patch)
tree738f2d2ddcf8ada7cd68ea794bfdc1a0075f313f /drivers
parentpower: reset: at91-reset: introduce args member in at91_reset_data (diff)
downloadlinux-7cb290d3dd559dff5028b9418a31ecb99988f640.tar.xz
linux-7cb290d3dd559dff5028b9418a31ecb99988f640.zip
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')
-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;
}