Re: (subset) [PATCH v11 0/3] LoongArch: Add Loongson-2K BMC support

[Corey Minyard]

On Tue, Sep 16, 2025 at 06:51:25PM +0800, Binbin Zhou wrote:
> On Tue, Sep 16, 2025 at 6:14 PM Lee Jones <lee@xxxxxxxxxx> wrote:
> >
> > On Tue, 16 Sep 2025, Binbin Zhou wrote:
> >
> > > Hi Lee:
> > >
> > > Thanks for your reply.
> > >
> > > On Tue, Sep 16, 2025 at 4:40 PM Lee Jones <lee@xxxxxxxxxx> wrote:
> > > >
> > > > On Fri, 12 Sep 2025, Binbin Zhou wrote:
> > > >
> > > > > Hi Lee:
> > > > >
> > > > > On Thu, Sep 11, 2025 at 10:33 PM Lee Jones <lee@xxxxxxxxxx> wrote:
> > > > > >
> > > > > > On Thu, 04 Sep 2025 20:35:04 +0800, Binbin Zhou wrote:
> > > > > > > This patchset introduces the Loongson-2K BMC.
> > > > > > >
> > > > > > > It is a PCIe device present on servers similar to the Loongson-3 CPUs.
> > > > > > > And it is a multifunctional device (MFD), such as display as a sub-function
> > > > > > > of it.
> > > > > > >
> > > > > > > For IPMI, according to the existing design, we use software simulation to
> > > > > > > implement the KCS interface registers: Stauts/Command/Data_Out/Data_In.
> > > > > > >
> > > > > > > [...]
> > > > > >
> > > > > > Applied, thanks!
> > > > > >
> > > > > > [1/3] mfd: ls2kbmc: Introduce Loongson-2K BMC core driver
> > > > > >       commit: 67c2639e1fc1a07b45d216af659c0dd92a370c68
> > > > > > [2/3] mfd: ls2kbmc: Add Loongson-2K BMC reset function support
> > > > > >       commit: 2364ccc827e44064e9763f2ae2d1dcc5f945fdf3
> > > > >
> > > > > Thanks for acknowledging my patchset.
> > > > >
> > > > > I can't confirm why you didn't apply the IPMI patch, but this appears
> > > > > to break the patchset's integrity, potentially causing missing Kconfig
> > > > > dependencies (IPMI_LS2K select MFD_LS2K_BMC_CORE).
> > > >
> > > > Pretty sure this doesn't break anything.
> > > >
> > > > What build errors do you see as a result?
> > > >
> > > > > Additionally, as Corey previously explained[1], this patch can be
> > > > > applied through your side.
> > > > >
> > > > > [1]: https://lore.kernel.org/all/aFVtNAY4u2gDiLDS@xxxxxxxxxxxxxxxx/
> > > >
> > > > We only apply cross-subsystem patch-sets to a single tree if there are
> > > > good reasons to do so.  In this instance, I can't see any reason why the
> > > > IPMI driver cannot go in via it's own repo.
> > >
> > > However, there still seems to be a text dependency issue. The IPMI
> > > patch modifies the MAINTAINERS, which depends on the first patch.
> > > If the entire series of patches cannot be merged together, does this
> > > mean the IPMI patch can only be merged after the MFD patch has been
> > > merged into the mainline?
> >
> > No, not at all.  So long as all patches come together during the
> > merge-window, there is no issue.
> 
> OK, I see, thanks.
> 
> Hi Corey:
> 
> What do you think about it?

I thought my ack would be sufficient, but I've pulled this into my tree.
I can't apply the MAINTAINERS portion of this, but that can go in
later; you can send me a patch for that after the next kernel release.

I'll make a note to Linus that this depends on the MFD changes.

-corey

> 
> >
> > --
> > Lee Jones [李琼斯]
> 
> -- 
> Thanks.
> Binbin