linux-kernel - Re: [PATCH net v1] mlxbf_gige: return EPROBE

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Message-ID: <20250616124502.GA4750@horms.kernel.org>
Date: Mon, 16 Jun 2025 13:45:02 +0100
From: Simon Horman <horms@...nel.org>
To: David Thompson <davthompson@...dia.com>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, u.kleine-koenig@...libre.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Asmaa Mnebhi <asmaa@...dia.com>
Subject: Re: [PATCH net v1] mlxbf_gige: return EPROBE_DEFER if PHY IRQ is not
 available

On Fri, Jun 13, 2025 at 06:51:29PM +0000, David Thompson wrote:
> The message "Error getting PHY irq. Use polling instead"
> is emitted when the mlxbf_gige driver is loaded by the
> kernel before the associated gpio-mlxbf driver, and thus
> the call to get the PHY IRQ fails since it is not yet
> available. The driver probe() must return -EPROBE_DEFER
> if acpi_dev_gpio_irq_get_by() returns the same.
> 
> Signed-off-by: David Thompson <davthompson@...dia.com>
> Reviewed-by: Asmaa Mnebhi <asmaa@...dia.com>

Thanks David,

I as a bug fix this needs a Fixes tag, which you can add
by simply replying to this email.

Else we can treat it as an enhancement for net-next.