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authorManuel Lauss <manuel.lauss@gmail.com>2014-08-20 21:36:30 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-09-22 13:35:46 +0200
commit092ea4660808cd441ccf3d415b80665dbe8712f4 (patch)
treee99c9369d07dc195708b5ca4bce36c3eac956027 /arch/mips/alchemy
parent3c09bae43ba92a07a6a7b7d42360deb32d289cc0 (diff)
MIPS: Alchemy: devboards: sit and spin after poweroff
On boards which don't support poweroff, systemd complains about this fact. In case poweroff fails, just sit and spin in the wait loop. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Cc: Manuel Lauss <manuel.lauss@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/7558/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/alchemy')
-rw-r--r--arch/mips/alchemy/devboards/platform.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
index 8df86eb94972..be139a0198b0 100644
--- a/arch/mips/alchemy/devboards/platform.c
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -11,6 +11,7 @@
#include <linux/pm.h>
#include <asm/bootinfo.h>
+#include <asm/idle.h>
#include <asm/reboot.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-db1x00/bcsr.h>
@@ -53,6 +54,8 @@ static void db1x_power_off(void)
{
bcsr_write(BCSR_RESETS, 0);
bcsr_write(BCSR_SYSTEM, BCSR_SYSTEM_PWROFF | BCSR_SYSTEM_RESET);
+ while (1) /* sit and spin */
+ cpu_wait();
}
static void db1x_reset(char *c)