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authorThara Gopinath <thara@ti.com>2010-03-31 04:16:29 -0600
committerPaul Walmsley <paul@pwsan.com>2010-03-31 04:16:29 -0600
commitd5647c18eac9a313a89a3049a9fff51b20021a44 (patch)
tree41b7e06a65b6d51ff02f02a4fd2221f84dcd1c88 /arch/arm/mach-omap2
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
downloadblackbird-op-linux-d5647c18eac9a313a89a3049a9fff51b20021a44.tar.gz
blackbird-op-linux-d5647c18eac9a313a89a3049a9fff51b20021a44.zip
OMAP: HWMOD: Adding clockdomain check
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>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index c6649472ce0d..e436dcb19795 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -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;
}
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