On Wed, 16 Sep 2020 at 03:59, Anson Huang <anson.huang@xxxxxxx> wrote: > > Hi, Krzysztof > > > Subject: Re: [PATCH V2 RESEND 2/4] arm64: defconfig: Build in > > CONFIG_GPIO_MXC by default > > > > On Mon, 14 Sep 2020 at 05:36, Anson Huang <Anson.Huang@xxxxxxx> > > wrote: > > > > > > i.MX GPIO is NOT default enabled now, so select CONFIG_GPIO_MXC as > > > built-in manually. > > > > Maybe it should stay not enabled? Please explain in commit msg why it should > > be enabled. > > The CONFIG_GPIO_MXC is necessary for all the i.MX SoCs, as it provides the basic > function of GPIO pin operations and IRQ operations, it is enabled by default previously > with " def_bool y " in Kconfig, now it is changed to tristate, so it should be explicitly > enabled in defconfig to make sure it does NOT break any existing functions, that is > why I list " i.MX GPIO is NOT default enabled now, so select CONFIG_GPIO_MXC as > built-in manually " in commit msg, it aims to NOT change any previous behaviors. Sure, I was just saying that all this should be in commit msg. The commit should explain why it is there in the Linux kernel. Best regards, Krzysztof