On Monday, April 15, 2013 11:54:47 AM Amit Daniel Kachhap wrote: > As per the OPP library documentation(Documentation/power/opp.txt) all > opp find/get calls should be protected by rcu locks. > > Signed-off-by: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx> > --- > > This patch is created against linux-next tree and is suggested by > Nishanth Menon. (https://lkml.org/lkml/2013/4/12/119) Applied. Thanks, Rafael > drivers/cpufreq/exynos5440-cpufreq.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c > index ead7ed4..0c74018 100644 > --- a/drivers/cpufreq/exynos5440-cpufreq.c > +++ b/drivers/cpufreq/exynos5440-cpufreq.c > @@ -120,11 +120,13 @@ static int init_div_table(void) > int i = 0; > struct opp *opp; > > + rcu_read_lock(); > for (i = 0; freq_tbl[i].frequency != CPUFREQ_TABLE_END; i++) { > > opp = opp_find_freq_exact(dvfs_info->dev, > freq_tbl[i].frequency * 1000, true); > if (IS_ERR(opp)) { > + rcu_read_unlock(); > dev_err(dvfs_info->dev, > "failed to find valid OPP for %u KHZ\n", > freq_tbl[i].frequency); > @@ -159,6 +161,7 @@ static int init_div_table(void) > __raw_writel(tmp, dvfs_info->base + XMU_PMU_P0_7 + 4 * i); > } > > + rcu_read_unlock(); > return 0; > } > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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