linux-kernel - Re: [PATCH v5 0/2] i2c: spacemit: introduce pio for k1

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Message-ID: <F15FE03F15DE1BD1+aVEHX0IU79i-bRot@troy-wujie14pro-arch>
Date: Sun, 28 Dec 2025 18:33:03 +0800
From: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
To: Andi Shyti <andi.shyti@...nel.org>,
	Troy Mitchell <troy.mitchell@...ux.spacemit.com>
Cc: Yixun Lan <dlan@...too.org>, Alex Elder <elder@...cstar.com>,
	Aurelien Jarno <aurelien@...el32.net>,
	Michael Opdenacker <michael.opdenacker@...tcommit.com>,
	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 v5 0/2] i2c: spacemit: introduce pio for k1

On Sat, Dec 27, 2025 at 08:38:44PM +0100, Andi Shyti wrote:
> Hi Troy,
> 
> On Fri, Dec 26, 2025 at 11:31:09AM +0800, Troy Mitchell wrote:
> > This patch introduces I2C PIO functionality for the Spacemit K1 SoC,
> > enabling the use of I2C in atomic context.
> > 
> > Signed-off-by: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
> > ---
> > Troy Mitchell (2):
> >       i2c: spacemit: replace i2c_xfer_msg()
> >       i2c: spacemit: introduce pio for k1
> 
> Do we still have RnB and Tested by Aurelien here?
No, I removed them.

wait_pio() has been reworked, which results in a significant change in
the underlying logic. As a consequence, the old RB and TB no longer
appear to be applicable.

                          - Troy
> 
> Andi
>