On 08/30/2013 12:21 PM, Bartlomiej Zolnierkiewicz wrote: > Add "cpuidle-exynos.max_states=" parameter to allow user to specify > the maximum of allowed CPU idle states for ARM EXYNOS cpuidle driver. > > This change is needed because C1 state (AFTR mode) is often not able > to work properly due to incompatibility with some bootloader versions. > > Usage examples: > > "cpuidle-exynos.max_states=1" disables C1 state (AFTR mode). > > "cpuidle-exynos.max_states=0" disables the driver completely. > > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > Cc: Tomasz Figa <t.figa@xxxxxxxxxxx> > Cc: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx> There is a max_cstate option for acpi and intel idle. There is also the cpuidle.off=1 option. As the semantic is the same, I think adding a common cpuidle option usable for all the drivers is better. Thanks -- Daniel -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog -- 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