On 20/11/2018 09:47, Anson Huang wrote: > Hi, Daniel > > Best Regards! > Anson Huang > >> -----Original Message----- >> From: Daniel Lezcano [mailto:daniel.lezc...@linaro.org] >> Sent: 2018年11月20日 16:45 >> To: Anson Huang <anson.hu...@nxp.com>; rui.zh...@intel.com; >> edubez...@gmail.com; linux...@vger.kernel.org; >> linux-kernel@vger.kernel.org >> Cc: dl-linux-imx <linux-...@nxp.com> >> Subject: Re: [PATCH] thermal: imx: fix for dependency on cpu-freq >> >> On 24/10/2018 08:39, Anson Huang wrote: >>> The thermal driver is a standalone driver for monitoring SoC >>> temperature by enabling thermal sensor, so it can be enabled even when >>> CONFIG_CPU_FREQ is NOT set. So remove the dependency with >> CPU_THERMAL. >>> >>> Add CONFIG_CPU_FREQ check for cpu-freq related operation in thermal >>> driver to make thermal driver probe successfully when CONFIG_CPU_FREQ >>> is NOT set. >>> >>> Signed-off-by: Anson Huang <anson.hu...@nxp.com> >>> --- >> >> Why not simply kill this legacy code ? > > Because killing legacy code will have old dtb compatible issue, old dtb > will NOT have cpufreq cooling function.
Yeah, I imagine that is the reason why you want to keep the legacy code but do you really care about old DTB based boards? Are they still updated with newer *upstream vanilla* kernels? -- <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
