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* cpufreq: scpi-cpufreq: signedness bug in scpi_get_dvfs_info()Dan Carpenter2015-12-241-1/+1
| | | | | | | | | | The "domain" variable needs to be signed for the error handling to work. Fixes: 8def31034d03 (cpufreq: arm_big_little: add SCPI interface driver) Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* cpufreq: arm_big_little: add SCPI interface driverSudeep Holla2015-09-281-0/+124
On some ARM based systems, a separate Cortex-M based System Control Processor(SCP) provides the overall power, clock, reset and system control including CPU DVFS. SCPI Message Protocol is used to communicate with the SCPI. This patch adds a interface driver for adding OPPs and registering the arm_big_little cpufreq driver for such systems. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: linux-pm@vger.kernel.org