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OMAP: HWMOD: Adding clockdomain check

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This patch adds check for presence of clockdomain structure in the API
omap_hwmod_get_pwrdm before trying to access the powerdomain structure.
This will prevent unnecessary crashing of the system in case of a
clock node with out an associated clockdomain.

Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Thara Gopinath 2010-03-31 04:16:29 -06:00 committed by Paul Walmsley
parent 2eaa9cfdf3
commit d5647c18ea
1 changed files with 3 additions and 0 deletions
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arch/arm/mach-omap2/omap_hwmod.c
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@ -1511,6 +1511,9 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
c = oh->slaves[oh->_mpu_port_index]->_clk;
}
if (!c->clkdm)
return NULL;
return c->clkdm->pwrdm.ptr;
}