linux-kernel - Re: [PATCH v2] net: mvmdio: avoid error message for optional IRQ

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Date:   Mon, 16 Mar 2020 09:38:00 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Cc:     "davem@...emloft.net" <davem@...emloft.net>,
        "josua@...id-run.com" <josua@...id-run.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] net: mvmdio: avoid error message for optional IRQ

> Actually on closer inspection I think this is wrong.
> platform_get_irq_optional() will return -ENXIO if the irq is not
> specified.

The _optional is then pointless. And different to all the other
_optional functions which don't return an error if the property is not
defined.

Are you really sure about this? I don't have the time right now to
check.

	Andrew