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path: root/drivers/thermal/spear_thermal.c
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* thermal: spear13xx: checking for NULL instead of IS_ERR()Dan Carpenter2012-03-221-2/+2
| | | | | | | | | | | thermal_zone_device_register() never returns NULL, on error it returns and ERR_PTR(). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Viresh Kumar <viresh.kumar@st.com> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* thermal/spear_thermal: replace readl/writel with lighter _relaxed variantsViresh Kumar2012-03-221-8/+8
| | | | | | | | | | readl/writel versions for ARM contain memory barrier instruction for synchronizing DMA buffers. These are not required at least on this module. So use lighter _relaxed variants. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* thermal: add support for thermal sensor present on SPEAr13xx machinesVincenzo Frascino2012-03-221-0/+206
ST's SPEAr13xx machines are based on CortexA9 ARM processors. These machines contain a thermal sensor for junction temperature monitoring. This patch adds support for this thermal sensor in existing thermal framework. [akpm@linux-foundation.org: little code cleanup] [akpm@linux-foundation.org: print the pointer correctly] [viresh.kumar@st.com: thermal/spear_thermal: add compilation dependency on PLAT_SPEAR] Signed-off-by: Vincenzo Frascino <vincenzo.frascino@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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