linux-kernel - Re: [PATCH v8 0/4] i3c: dw-i3c: Enable support for dw-i3c controller NACK retry sysfs and DAT restore fix

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Message-ID: <176832574309.1069340.7336876369609161397.b4-ty@bootlin.com>
Date: Tue, 13 Jan 2026 18:37:13 +0100
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: Frank.Li@....com, linux-i3c@...ts.infradead.org,
	linux-kernel@...r.kernel.org, adrianhoyin.ng@...era.com
Subject: Re: [PATCH v8 0/4] i3c: dw-i3c: Enable support for dw-i3c controller
 NACK retry sysfs and DAT restore fix

On Fri, 12 Dec 2025 17:02:54 +0800, adrianhoyin.ng@...era.com wrote:
> From: Adrian Ng Ho Yin <adrianhoyin.ng@...era.com>
> 
> This patch series adds a controller-wide sysfs attribute
> dev_nack_retry_count for the DesignWare I3C controller, allowing runtime
> control of the automatic retry mechanism when a device NACKs. Some I3C
> slave devices may temporarily be busy and unable to respond immediately;
> automatic retries improve robustness in such cases. Writes are clamped to
> the hardware maximum of 3, and the value is applied to all active DAT
> entries.
> 
> [...]

Applied, thanks!

[1/4] i3c: add sysfs entry and attribute for Device NACK Retry count
      https://git.kernel.org/abelloni/c/b58f47eb3926
[2/4] i3c: dw: Add support for Device NACK Retry configuration
      https://git.kernel.org/abelloni/c/ec17f1430948
[3/4] i3c: dw: use FIELD_PREP for device address table macros
      https://git.kernel.org/abelloni/c/4cd9d2bf0b56
[4/4] i3c: dw: Preserve DAT entry bits when restoring addresses
      https://git.kernel.org/abelloni/c/de28e002df2e

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com