On Wed, Oct 23, 2019 at 11:43:04AM +0100, Mark Brown wrote: > On Wed, Oct 23, 2019 at 08:53:02AM +0530, Viresh Kumar wrote: > > On 22-10-19, 17:09, Nathan Chancellor wrote: > > > When building with Clang + -Wtautological-pointer-compare: > > > > > > drivers/cpufreq/s3c64xx-cpufreq.c:152:6: warning: comparison of array > > > 's3c64xx_freq_table' equal to a null pointer is always false > > > [-Wtautological-pointer-compare] > > > if (s3c64xx_freq_table == NULL) { > > > ^~~~~~~~~~~~~~~~~~ ~~~~ > > > 1 warning generated. > > > > > > The definition of s3c64xx_freq_table is surrounded by an ifdef > > > directive for CONFIG_CPU_S3C6410, which is always true for this driver > > > because it depends on it in drivers/cpufreq/Kconfig.arm (and if it > > > weren't, there would be a build error because s3c64xx_freq_table would > > > not be a defined symbol). > > > +broonie, who wrote this patch to see his views on why he kept it like > > this. > > The driver should also have supported s3c6400 as well. Kconfig says otherwise, unless I am missing something. config ARM_S3C64XX_CPUFREQ bool "Samsung S3C64XX" depends on CPU_S3C6410 default y help This adds the CPUFreq driver for Samsung S3C6410 SoC. If in doubt, say N. Cheers, Nathan