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List:       linux-arm-kernel
Subject:    Re: [net-next: PATCH v2 5/5] net: mvpp2: enable ACPI support in the driver
From:       Andrew Lunn <andrew () lunn ! ch>
Date:       2017-12-31 19:23:54
Message-ID: 20171231192354.GB20455 () lunn ! ch
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> * Modify way of obtaining interrupts - with ACPI they are resources
>   bound to struct platform_device and it's not possible to obtain
>   them directly from the child node. Hence a formula is used, depending
>   on the port_id and number of possible CPUs.

Hi Marcin

I know nothing about ACPI. Is this limitation with respect to
interrupts fundamental to ACPI, or just that nobody has implemented
flexible interrupt support yet?

> * Until proper MDIO bus and PHY handling with ACPI is established in the
>   kernel, use only link interrupts feature in the driver.

I think interrupts might be interesting with PHY devices, since they
are child nodes of the MDIO device....

    Andrew

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