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SubjectRe: [PATCH v5 1/3] mfd: Add support for Cherry Trail Dollar Cove TI PMIC
On Tue, 05 Sep 2017, Takashi Iwai wrote:

> On Tue, 05 Sep 2017 09:24:51 +0200,
> Lee Jones wrote:
> >
> > On Mon, 04 Sep 2017, Takashi Iwai wrote:
> >
> > > This patch adds the MFD driver for Dollar Cove (TI version) PMIC with
> > > ACPI INT33F5 that is found on some Intel Cherry Trail devices.
> > > The driver is based on the original work by Intel, found at:
> > > https://github.com/01org/ProductionKernelQuilts
> > >
> > > This is a minimal version for adding the basic resources. Currently,
> > > only ACPI PMIC opregion and the external power-button are used.
> > >
> > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=193891
> > > Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> > > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> > > Signed-off-by: Takashi Iwai <tiwai@suse.de>
> > > ---
> > > v4->v5:
> > > * Minor coding-style fixes suggested by Lee
> > > * Put GPL text
> > > v3->v4:
> > > * no change for this patch
> > > v2->v3:
> > > * Rename dc_ti with chtdc_ti in all places
> > > * Driver/kconfig renames accordingly
> > > * Added acks by Andy and Mika
> > > v1->v2:
> > > * Minor cleanups as suggested by Andy
> > >
> > > drivers/mfd/Kconfig | 13 +++
> > > drivers/mfd/Makefile | 1 +
> > > drivers/mfd/intel_soc_pmic_chtdc_ti.c | 184 ++++++++++++++++++++++++++++++++++
> > > 3 files changed, 198 insertions(+)
> > > create mode 100644 drivers/mfd/intel_soc_pmic_chtdc_ti.c
> >
> > For my own reference:
> > Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
>
> Thanks!
>
> Now the question is how to deal with these. It's no critical things,
> so I'm OK to postpone for 4.15. OTOH, it's really a new
> device-specific stuff, thus it can't break anything else, and it'd be
> fairly safe to add it for 4.14 although it's at a bit late stage.

Yes, you are over 2 weeks late for v4.14. It will have to be v4.15.

> IMO, it'd be great if you can carry all stuff through MFD tree; or
> create an immutable branch (again). But how to handle it, when to do
> it, It's all up to you guys.

If there aren't any build dependencies between the patches, each of
the patches should be applied through their own trees. What are the
build-time dependencies? Are there any?

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

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