Hi Yicong, On Wed, Apr 14, 2021 at 11:24 AM Yicong Yang <yangyicong@xxxxxxxxxxxxx> wrote: > On 2021/4/13 20:26, Geert Uytterhoeven wrote: > > The HiSilicon Kunpeng I2C controller is only present on HiSilicon > > Kunpeng SoCs, and its driver relies on ACPI to probe for its presence. > > Hence add dependencies on ARCH_HISI and ACPI, to prevent asking the user > > about this driver when configuring a kernel without Hisilicon platform > > or ACPI firmware support. > > this is a public IP which doesn't specifically depend on ARCH_HISI. I'm > not sure all the platform this IP on has ARCH_HISI configured. The driver > will not be compiled by default config. This is not correct to have > this dependence. Thanks for your answer! I guess it's still fine to add a dependency on ACPI? Thanks again! > > Fixes: d62fbdb99a85730a ("i2c: add support for HiSilicon I2C controller") > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > > --- > > drivers/i2c/busses/Kconfig | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig > > index b5b4e0d0ff4dd0bc..3ead6d9e130b2ebc 100644 > > --- a/drivers/i2c/busses/Kconfig > > +++ b/drivers/i2c/busses/Kconfig > > @@ -647,7 +647,7 @@ config I2C_HIGHLANDER > > > > config I2C_HISI > > tristate "HiSilicon I2C controller" > > - depends on ARM64 || COMPILE_TEST > > + depends on (ARM64 && ARCH_HISI && ACPI) || COMPILE_TEST > > help > > Say Y here if you want to have Hisilicon I2C controller support > > available on the Kunpeng Server. \ Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds