linux-kernel - Re: [PATCH v4 1/1] riscv: dts: sifive: unleashed/unmatched: Remove PWM controlled LED's active-low properties

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Date:   Thu, 3 Aug 2023 17:28:37 +0800
From:   Nylon Chen <nylon.chen@...ive.com>
To:     Conor Dooley <conor.dooley@...rochip.com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, geert+renesas@...der.be,
        pavel@....cz, vincent.chen@...ive.com,
        emil.renner.berthing@...onical.com, aou@...s.berkeley.edu,
        palmer@...belt.com, paul.walmsley@...ive.com,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        conor@...nel.org, zong.li@...ive.com
Subject: Re: [PATCH v4 1/1] riscv: dts: sifive: unleashed/unmatched: Remove
 PWM controlled LED's active-low properties

Hi Conor,

I apologize for forgetting about this update earlier. Just now,
I tried to pull rebase master and noticed that other developers seem
to have made some fixes to the algorithm. Upon closer inspection, I
found that they addressed the part we previously discussed with Emil
and Uwe, such as "first pwm_apply_state."

Therefore, my instinct tells me that they have already taken care of
the issues we discussed before.

I will review the conflicting parts in the pwm-sifive.c code in my v4
version once again to ensure there are no omissions. If I find any, I
will submit v5 accordingly.

Conor Dooley <conor.dooley@...rochip.com> 於 2023年8月3日 週四 下午5:19寫道：
>
> On Thu, Aug 03, 2023 at 04:57:34PM +0800, Nylon Chen wrote:
> > This removes the active-low properties of the PWM-controlled LEDs in
> > the HiFive Unmatched device tree.
> >
> > The reference is hifive-unleashed-a00.pdf[0] and hifive-unmatched-schematics-v3.pdf[1].
> >
> > Link: https://sifive.cdn.prismic.io/sifive/c52a8e32-05ce-4aaf-95c8-7bf8453f8698_hifive-unleashed-a00-schematics-1.pdf [0]
> > Link: https://sifive.cdn.prismic.io/sifive/6a06d6c0-6e66-49b5-8e9e-e68ce76f4192_hifive-unmatched-schematics-v3.pdf [1]
> >
>
> > Acked-by: Conor Dooley <conor.dooley@...rochip.com>
>
> Since there is no PWM driver patch for this to go along with, this ack
> doesn't mean anything anymore. Please drop it if you resubmit.
>