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authorTim Gardner <tim.gardner@canonical.com>2014-04-28 18:18:18 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-04-29 01:28:17 +0200
commit6712d2931933ada259b82f06c03a855b19937074 (patch)
tree5409ea5f79f6fd8d99496b8a5874cdbbf33a3cd3
parentcpufreq: powernow-k7: Fix double invocation of cpufreq_freq_transition_begin/end (diff)
downloadlinux-6712d2931933ada259b82f06c03a855b19937074.tar.xz
linux-6712d2931933ada259b82f06c03a855b19937074.zip
cpufreq: ppc-corenet-cpufreq: Fix __udivdi3 modpost error
bfa709bc823fc32ee8dd5220d1711b46078235d8 (cpufreq: powerpc: add cpufreq transition latency for FSL e500mc SoCs) introduced a modpost error: ERROR: "__udivdi3" [drivers/cpufreq/ppc-corenet-cpufreq.ko] undefined! make[1]: *** [__modpost] Error 1 Fix this by avoiding 64 bit integer division. gcc version 4.8.2 Fixes: bfa709bc823f (cpufreq: powerpc: add cpufreq transition latency for FSL e500mc SoCs) Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/cpufreq/ppc-corenet-cpufreq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/cpufreq/ppc-corenet-cpufreq.c b/drivers/cpufreq/ppc-corenet-cpufreq.c
index a1ca3dd04a8e..0af618abebaf 100644
--- a/drivers/cpufreq/ppc-corenet-cpufreq.c
+++ b/drivers/cpufreq/ppc-corenet-cpufreq.c
@@ -138,6 +138,7 @@ static int corenet_cpufreq_cpu_init(struct cpufreq_policy *policy)
struct cpufreq_frequency_table *table;
struct cpu_data *data;
unsigned int cpu = policy->cpu;
+ u64 transition_latency_hz;
np = of_get_cpu_node(cpu, NULL);
if (!np)
@@ -205,8 +206,10 @@ static int corenet_cpufreq_cpu_init(struct cpufreq_policy *policy)
for_each_cpu(i, per_cpu(cpu_mask, cpu))
per_cpu(cpu_data, i) = data;
+ transition_latency_hz = 12ULL * NSEC_PER_SEC;
policy->cpuinfo.transition_latency =
- (12ULL * NSEC_PER_SEC) / fsl_get_sys_freq();
+ do_div(transition_latency_hz, fsl_get_sys_freq());
+
of_node_put(np);
return 0;