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

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Date:   Mon, 27 Nov 2023 09:37:46 +0000
From:   Lee Jones <lee@...nel.org>
To:     GaryWang 汪之逸 <GaryWang@...on.com.tw>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "larry.lai" <larry.lai@...jingtech.com>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "pavel@....cz" <pavel@....cz>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
        "musa.lin@...jingtech.com" <musa.lin@...jingtech.com>,
        "jack.chang@...jingtech.com" <jack.chang@...jingtech.com>,
        "noah.hung@...jingtech.com" <noah.hung@...jingtech.com>
Subject: Re: [PATCH V7 1/3] mfd: Add support for UP board CPLD/FPGA

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@...ux.intel.com>
> Sent: Tuesday, November 14, 2023 10:11 PM
> To: larry.lai <larry.lai@...jingtech.com>
> Cc: lee@...nel.org; linus.walleij@...aro.org; pavel@....cz; linux-kernel@...r.kernel.org; linux-gpio@...r.kernel.org; linux-leds@...r.kernel.org; GaryWang 汪之逸 <GaryWang@...on.com.tw>; musa.lin@...jingtech.com; jack.chang@...jingtech.com; noah.hung@...jingtech.com
> 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@...el.com>
> 
> No, this tag can't be applied to the new code.
> 
> > Signed-off-by: Gary Wang <garywang@...on.com.tw>
> > Signed-off-by: larry.lai <larry.lai@...jingtech.com>
> 
> 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.

[...]

-- 
Lee Jones [李琼斯]