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SubjectRe: [PATCH v2 08/12] i2c: designware: Introduce platform drivers glue layer interface
On Wed, May 20, 2020 at 03:46:11PM +0300, Jarkko Nikula wrote:
> Hi
> On 5/10/20 12:50 PM, Serge Semin wrote:
> > Seeing the DW I2C platform driver is getting overcomplicated with a lot of
> > vendor-specific configs let's introduce a glue-layer interface so new
> > platforms which equipped with Synopsys Designware APB I2C IP-core would
> > be able to handle their peculiarities in the dedicated objects.
> >
> Comment to this patch and patches 9/12 and 12/12:
> Currently i2c-designware-platdrv.c is about 500 lines of code so I don't
> think it's too overcomplicated. But I feel we have already too many Kconfig
> options and source modules for i2c-designware and obviously would like to
> push back a little from adding more.
> I don't think i2c-designware-platdrv.c becomes yet too complicated if Baikal
> related code is added there, perhaps under #ifdef CONFIG_OF like MSCC Ocelot
> code is currently.

Well, it's up to you to decide, what solution is more suitable for you to
maintain. My idea of detaching the MSCC and Baikal-T1 code to the dedicated
source files was to eventually move the whole i2c-designware-* set of files
into a dedicated directory drivers/i2c/buses/dw as it's done for some others
Synopsys DesignWare controllers: drivers/pci/controller/dwc/, drivers/usb/dwc2,
drivers/usb/dwc3, drivers/net/ethernet/synopsys/ . If you think, that it's too
early for Dw I2C code to live in a dedicated directory, fine with me. I can
merge the MSCC and Baikal-T1 code back into the i2c-designware-platdrv.c .
So what's your final word in this matter?


> --
> Jarkko

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