linux-kernel - Re: [PATCH v2] driver:core: no need to invert the return value of the call_driver

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Message-ID: <2024070829-zen-remake-6bfa@gregkh>
Date: Mon, 8 Jul 2024 15:57:49 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Lizhe <sensor1010@....com>
Cc: rafael@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] driver:core: no need to invert the return value of
 the call_driver_probe()

On Mon, Jul 08, 2024 at 06:40:28AM -0700, Lizhe wrote:
> If drv->probe() or drv->bus->probe() returns EPROBE_DEFER,
> then there is no need to invert the sign. Similarly,
> if it returns -EPROBE_DEFER, no sign inversion is needed either
> 
> In the probe function (either bus->probe() or drv->probe()),
> there is no return value of EPROBE_DEFER.
> v2:
>         Delete the judgment with the return value of EPROBEDEFER
>         from the _driver_probe.device()
> v1:
>         Add the judgment with the return value of EPROBEDEFER
>         from the _driver_probe.device()

Versions go below the --- line as the documentation says.

> Signed-off-by: Lizhe <sensor1010@....com>

Full name?

thanks,

greg k-h