linux-kernel - Re: [PATCH] iio: dac: use int instead of u32 to store error codes

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Message-ID: <7a775ae7-5925-4d64-a030-eeaa9d5809c9@vivo.com>
Date: Mon, 1 Sep 2025 19:55:04 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Jonathan Cameron <jic23@...nel.org>
Cc: Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 David Lechner <dlechner@...libre.com>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: dac: use int instead of u32 to store error codes


在 2025/8/31 23:27, Jonathan Cameron 写道:
> On Tue, 26 Aug 2025 18:18:25 +0800
> Qianfeng Rong <rongqianfeng@...o.com> wrote:
>
>> Use int instead of unsigned int for 'ret' variable to store negative error
>> codes returned by ad5421_write_unlocked() and ad5360_write_unlocked().
>>
>> Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
> This is a fix, so needs a fixes tag.
>
> Given the two drivers were introduced in separate patches
> I would suggest splitting this into two different patches so
> we can call out how far to backport each one (via the appropriate
> fixes tags!)

Okay, I’ll send the V2 version later.

Best regards,
Qianfeng