Re: [PATCH V7 1/3] mfd: Add support for UP board CPLD/FPGA

From: Lee Jones
Date: Mon Nov 27 2023 - 04:37:57 EST


On Fri, 24 Nov 2023, GaryWang 汪之逸 wrote:

> Hi Andy,
>
> Thank you for review the V7 patch and sorry for my poor English, for your question, please kindly to check our comments with ">>" beginning.

Please fix your mail client instead. Or use a different one.

> -----Original Message-----
> From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Sent: Tuesday, November 14, 2023 10:11 PM
> To: larry.lai <larry.lai@xxxxxxxxxxxxxxx>
> Cc: lee@xxxxxxxxxx; linus.walleij@xxxxxxxxxx; pavel@xxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-gpio@xxxxxxxxxxxxxxx; linux-leds@xxxxxxxxxxxxxxx; GaryWang 汪之逸 <GaryWang@xxxxxxxxxxxx>; musa.lin@xxxxxxxxxxxxxxx; jack.chang@xxxxxxxxxxxxxxx; noah.hung@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH V7 1/3] mfd: Add support for UP board CPLD/FPGA

No headers in the body please.

> On Tue, Oct 31, 2023 at 09:51:17AM +0800, larry.lai wrote:
> > The UP Squared board
> > <http://www.upboard.com/> implements certain features (pin control, onboard LEDs or CEC) through an on-board CPLD/FPGA.
> >
> > This driver implements the line protocol to read and write registers
> > from the FPGA through regmap. The register address map is also included.
> >
> > The UP Boards provide a few I/O pin headers (for both GPIO and
> > functions), including a 40-pin Raspberry Pi compatible header.
> >
> > This patch implements support for the FPGA-based pin controller that
>
> s/This patch implements/Implement/
>
> > manages direction and enable state for those header pins.
> >
> > Partial support UP boards:
>
> "for UP" or "supported" (choose one).
>
> > * UP core + CREX
> > * UP core + CRST02
>
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> No, this tag can't be applied to the new code.
>
> > Signed-off-by: Gary Wang <garywang@xxxxxxxxxxxx>
> > Signed-off-by: larry.lai <larry.lai@xxxxxxxxxxxxxxx>
>
> Missing Co-developed-by?
> >> larry is our consultant for upstream

This is confusing. More '>'s usually means deeper quotes.

Your reply should be up against the left wall, like this one.

> ...
>
> > +config MFD_INTEL_UPBOARD_FPGA
>
> I believe Intel has nothing to do with this one. The Intel SoC is accompanied with OEM FPGA, right?
> >> we used Intel CPLD Altera MAX V/X for pin mux and provide more driving power for Raspberry Pi compatible HAT pins, will remove "INTEL"

Please enable line-wrap.

> > + tristate "Support for the Intel platform foundation kit UP board FPGA"
>
> Depends on the above this most likely to be updated.
> >> ok

If you agree with a comment, please trim it from your reply.

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--
Lee Jones [李琼斯]