Commit 95418770 authored Jan 15, 2015 by Archana Sathyakumar

msm-core: Retrieve voltage plan for only cpus listed cpumask



Currently, the implementation assumes that all the clusters have 4 cores
within it. This information overrides the data that is provided by the
userspace. Provide voltage plan update to only those cpus request by the
userspace in cpumask attribute.

Change-Id: I5be720f725919b831acd51591a80e14b2816f21d
Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org>

parent 8d4ed1d9

drivers/power/qcom/msm-core.c

+2 −6

Original line number	Diff line number	Diff line
		@@ -457,13 +457,9 @@ static long msm_core_ioctl(struct file *file, unsigned int cmd,
		pr_err("Userspace power update failed with %ld\n", ret);
		break;
		case EA_VOLT:
		for (i = 0; i < MAX_CORES_PER_CLUSTER; i++, cpumask >>= 1) {
		if (!(cpumask & 0x01))
		continue;

		mpidr \|= i;
		for (i = 0; cpumask > 0; i++, cpumask >>= 1) {
		for_each_possible_cpu(cpu) {
		if (cpu_logical_map(cpu) == mpidr)
		if (cpu_logical_map(cpu) == (mpidr \| i))
		break;
		}
		}