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Date:	Mon, 30 Jun 2014 08:46:24 +0200
From:	Arnd Bergmann <>
To:	Vince Bridgers <>
Subject: Re: [PATCH net v2 3/3] net: stmmac: Improve mcast/ucast filter for all Synopsys EMAC Configurations

On Sunday 29 June 2014 20:35:10 Vince Bridgers wrote:
> The synopsys EMAC can be configured for different numbers of multicast hash
> bins and perfect filter entries at device creation time and there's no way
> to query this configuration information at runtime. As a result, a devicetree
> parameter is required in order for the driver to program these filters
> correctly for a particular device instance. This patch extends the current
> driver by providing a different multicast filter programming function if
> different than the currently supported 64 multicast hash bins and 32
> perfect unicast addresses. This patch is required to correct multicast
> filtering for the Altera Cyclone V SOC.
> Signed-off-by: Vince Bridgers <>

No objections to the content of the patch, but it would be better to split
it out into two separate patches: one that does the mechanical prototype
and formatting changes, and a smaller one that actually introduces the
functional change. That would make it much easier to review, and to bisect
potential problems when something goes wrong.

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