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Wysocki" , Viresh Kumar , Krzysztof Kozlowski , Alim Akhtar Cc: linux-pm@vger.kernel.org, Vincent Guittot , kernel test robot , stable@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2] cpufreq: s3c64xx: Fix compilation warning Date: Wed, 22 Jan 2025 11:36:16 +0530 Message-Id: <236b227e929e5adc04d1e9e7af6845a46c8e9432.1737525916.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.31.1.272.g89b43f80a514 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The driver generates following warning when regulator support isn't enabled in the kernel. Fix it. drivers/cpufreq/s3c64xx-cpufreq.c: In function 's3c64xx_cpufreq_set_targ= et': >> drivers/cpufreq/s3c64xx-cpufreq.c:55:22: warning: variable 'old_freq' se= t but not used [-Wunused-but-set-variable] 55 | unsigned int old_freq, new_freq; | ^~~~~~~~ >> drivers/cpufreq/s3c64xx-cpufreq.c:54:30: warning: variable 'dvfs' set bu= t not used [-Wunused-but-set-variable] 54 | struct s3c64xx_dvfs *dvfs; | ^~~~ Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202501191803.CtfT7b2o-lkp@int= el.com/ Cc: # v5.4+ Signed-off-by: Viresh Kumar --- V2: Move s3c64xx_dvfs_table too inside ifdef. drivers/cpufreq/s3c64xx-cpufreq.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/cpufreq/s3c64xx-cpufreq.c b/drivers/cpufreq/s3c64xx-cp= ufreq.c index c6bdfc308e99..9cef71528076 100644 --- a/drivers/cpufreq/s3c64xx-cpufreq.c +++ b/drivers/cpufreq/s3c64xx-cpufreq.c @@ -24,6 +24,7 @@ struct s3c64xx_dvfs { unsigned int vddarm_max; }; =20 +#ifdef CONFIG_REGULATOR static struct s3c64xx_dvfs s3c64xx_dvfs_table[] =3D { [0] =3D { 1000000, 1150000 }, [1] =3D { 1050000, 1150000 }, @@ -31,6 +32,7 @@ static struct s3c64xx_dvfs s3c64xx_dvfs_table[] =3D { [3] =3D { 1200000, 1350000 }, [4] =3D { 1300000, 1350000 }, }; +#endif =20 static struct cpufreq_frequency_table s3c64xx_freq_table[] =3D { { 0, 0, 66000 }, @@ -51,15 +53,16 @@ static struct cpufreq_frequency_table s3c64xx_freq_tabl= e[] =3D { static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index) { - struct s3c64xx_dvfs *dvfs; - unsigned int old_freq, new_freq; + unsigned int new_freq =3D s3c64xx_freq_table[index].frequency; int ret; =20 +#ifdef CONFIG_REGULATOR + struct s3c64xx_dvfs *dvfs; + unsigned int old_freq; + old_freq =3D clk_get_rate(policy->clk) / 1000; - new_freq =3D s3c64xx_freq_table[index].frequency; dvfs =3D &s3c64xx_dvfs_table[s3c64xx_freq_table[index].driver_data]; =20 -#ifdef CONFIG_REGULATOR if (vddarm && new_freq > old_freq) { ret =3D regulator_set_voltage(vddarm, dvfs->vddarm_min, --=20 2.31.1.272.g89b43f80a514