On Tue, 05 Sep 2017 10:00:23 +0200, Hans de Goede wrote: > > Hi, > > On 05-09-17 09:46, 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@xxxxxxxxxxxxxxx> > >>> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > >>> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> > >>> --- > >>> 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@xxxxxxxxxx> > > > > 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. > > > > 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. > > Since the mfd driver only instantiates platform devices there > is only a runtime dependency between the drivers AFAICT so each > driver can be merged through it own subsystem without problem / > without the need for an immutable branch, or am I missing something ? Yeah, it wouldn't do much harm other than containing the dead code. I'm afraid of missing kconfig or such error splat spotted by build bot, if we merge each commit individually. But maybe I have just too strong trauma of the build bot complaints :) thanks, Takashi