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Commit 8726dd87 authored by Maria Yu's avatar Maria Yu Committed by Jonathan Avila
Browse files

cpufreq: schedutil: fix undefined reference to '__aeabi_uldivmod' 



Division of a 64 bit variable isn't supported by the "/" operator in
a 32-bit architecture. So, use do_div() instead.

Change-Id: Id07ce36166ee1ee88ff6519dc26724c4e847890b
Signed-off-by: default avatarMaria Yu <aiquny@codeaurora.org>
Signed-off-by: default avatarJonathan Avila <avilaj@codeaurora.org>
parent 4fc19ace

kernel/sched/cpufreq_schedutil.c

+3 −1
Original line number Diff line number Diff line
@@ -185,7 +185,9 @@ static void sugov_track_cycles(struct sugov_policy *sg_policy, 


	/* Track cycles in current window */

	delta_ns = upto - sg_policy->last_cyc_update_time;

	cycles = (prev_freq * delta_ns) / (NSEC_PER_SEC / KHZ);

	delta_ns *= prev_freq;

	do_div(delta_ns, (NSEC_PER_SEC / KHZ));

	cycles = delta_ns;

	sg_policy->curr_cycles += cycles;

	sg_policy->last_cyc_update_time = upto;

}