From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Tue, 09 Sep 2014 17:59:59 +0200 Subject: [PATCH v2 5/8] net: pxa168_eth: get and set the mac address on the Ethernet controller In-Reply-To: <1410273848-24663-6-git-send-email-antoine.tenart@free-electrons.com> References: <1410273848-24663-1-git-send-email-antoine.tenart@free-electrons.com> <1410273848-24663-6-git-send-email-antoine.tenart@free-electrons.com> Message-ID: <3876979.iyRVchmjb7@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday 09 September 2014 16:44:05 Antoine Tenart wrote: > When changing the MAC address, in addition to updating the dev_addr in > the net_device structure, this patch also update the MAC address > registers (high and low) of the Ethernet controller with the new MAC. > The address stored in these registers is used for IEEE 802.3x Ethernet > flow control, which is already enabled. > > This patch also tries reading the MAC address stored in these registers > when probing the driver, to use the MAC address set by the bootloader > and avoid using a random one. > > Signed-off-by: Antoine Tenart > I think it would be good to allow overriding the address using a 'mac-address' property from DT. It's very easy to call of_get_mac_address(). Arnd