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Commit d9a67e9d authored by Deepak Katragadda's avatar Deepak Katragadda
Browse files

clk: qcom: clk-cpu-osm: Correct the logic to return the CPU cycle counter 



The total CPU cycle counter for a core clock might be modified
before returning to the client. Use a variable instead for
storing and returning this information.

Change-Id: I12a8495ddcd817c902c77e91c39905bbec9ea812
Signed-off-by: default avatarDeepak Katragadda <dkatraga@codeaurora.org>
parent 1996ec83

drivers/clk/qcom/clk-cpu-osm.c

+3 −1
Original line number Diff line number Diff line
@@ -1885,6 +1885,7 @@ static u64 clk_osm_get_cpu_cycle_counter(int cpu) 
	u32 val;

	int core_num;

	unsigned long flags;

	u64 cycle_counter_ret;

	struct clk_osm *parent, *c = logical_cpu_to_clk(cpu);



	if (IS_ERR_OR_NULL(c)) {
@@ -1912,9 +1913,10 @@ static u64 clk_osm_get_cpu_cycle_counter(int cpu) 
		c->total_cycle_counter += val - c->prev_cycle_counter;

		c->prev_cycle_counter = val;

	}

	cycle_counter_ret = c->total_cycle_counter;

	spin_unlock_irqrestore(&parent->lock, flags);



	return c->total_cycle_counter;

	return cycle_counter_ret;

}



static void clk_osm_setup_cycle_counters(struct clk_osm *c)