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OMAP2+: hwmod: Enable module in shutdown to access sysconfig

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When calling the shutdown, the module may be already in idle.
Accessing the sysconfig register will then lead to a crash.
In that case, re-enable the module in order to allow the access
to the sysconfig register.

Signed-off-by: Miguel Vadillo <vadillo@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Miguel Vadillo 2011-07-01 22:54:02 +02:00 committed by Paul Walmsley
parent c614ebf6f7
commit 6481c73c22
1 changed files with 4 additions and 1 deletions
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5
arch/arm/mach-omap2/omap_hwmod.c
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@ -1396,8 +1396,11 @@ static int _shutdown(struct omap_hwmod *oh)
}
}
if (oh->class->sysc)
if (oh->class->sysc) {
if (oh->_state == _HWMOD_STATE_IDLE)
_enable(oh);
_shutdown_sysc(oh);
}
/*
* If an IP contains only one HW reset line, then assert it