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ARM: highbank: retry wfi on reset request

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In some cases, an interrupt can occur and prevent cause failure to enter
wfi. This causes reset to hang. Retrying the wfi should be enough to
prevent reset from hanging.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Rob Herring 2012-10-25 22:20:37 -05:00 • committed by Olof Johansson
parent 9d6163aaea
commit e32643544d
1 changed files with 2 additions and 1 deletions
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3
arch/arm/mach-highbank/system.c
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@ -28,6 +28,7 @@ void highbank_restart(char mode, const char *cmd)
hignbank_set_pwr_soft_reset();
scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
cpu_do_idle();
while (1)
cpu_do_idle();
}