Re: [v4 09/11] drivers/hwmon: Add PECI cputemp driver

From: Guenter Roeck
Date: Mon May 21 2018 - 16:11:43 EST


On Mon, May 21, 2018 at 11:01:58PM +0200, Andrew Lunn wrote:
> > >>+#if IS_ENABLED(CONFIG_X86)
> > >>+#include <asm/intel-family.h>
> > >>+#else
> > >>+#define INTEL_FAM6_HASWELL_X 0x3F
> > >>+#define INTEL_FAM6_BROADWELL_X 0x4F
> > >>+#define INTEL_FAM6_SKYLAKE_X 0x55
> > >>+#endif
> > >
> > >The entire code is very Intel specific. Why this #if instead of
> > >making the driver dependent on X86 ?
> > >
> >
> > This code will be running on ARM kernel at this moment with a purpose
> > of monitoring remote x86 CPUs through PECI connection
>
> How about moving what you need from asm/intel-family.h into a header
> file in include/linux/. Or move the entire header?
>
That might be another option. The one non-option is the #if IS_ENABLED()
in the driver.

Thanks,
Guenter