linux-kernel - Re: [PATCH v4] i2c: spacemit: introduce pio for k1

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Message-ID: <7F2C864E2E9B876A+aT94BuAAOW_mzY3x@kernel.org>
Date: Mon, 15 Dec 2025 10:52:54 +0800
From: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
To: Troy Mitchell <troy.mitchell@...ux.spacemit.com>,
	Alex Elder <elder@...cstar.com>, Andi Shyti <andi.shyti@...nel.org>,
	Yixun Lan <dlan@...too.org>,
	Troy Mitchell <troymitchell988@...il.com>,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev
Subject: Re: [PATCH v4] i2c: spacemit: introduce pio for k1

On Thu, Dec 11, 2025 at 10:28:24PM +0100, Aurelien Jarno wrote:
> Hi Troy,
> 
> On 2025-11-07 09:50, Alex Elder wrote:
> > On 10/9/25 4:59 AM, Troy Mitchell wrote:
> > > This patch introduces I2C PIO functionality for the Spacemit K1 SoC,
> > > enabling the use of I2C in atomic context.
> > 
> > (Sorry I haven't commented on your earlier versions.  They
> > included other changes to prepare for this; I'm looking at
> > this patch in isolation and haven't reviewed the others.)
> > 
> > An aside:  I notice the #includes are indented an additional
> > space in this source file;  perhaps you can get rid of those
> > (in a separate patch) at some point.
> > 
> > You really need to provide more information about how this
> > is implemented.  This patch makes non-trivial changes to
> > the logic.
> 
> What is the status on implementing the changes asked by Alex? Do you 
> need some help with that?
I've been a bit busy recently, but I expect the next version can be
posted later this week or next week.

                              - Troy
> 
> Thanks
> Aurelien
> 
> -- 
> Aurelien Jarno                          GPG: 4096R/1DDD8C9B
> aurelien@...el32.net                     http://aurel32.net
>