From mboxrd@z Thu Jan 1 00:00:00 1970 From: f.fainelli@gmail.com (Florian Fainelli) Date: Tue, 29 Nov 2016 16:43:20 -0800 Subject: [PATCH net-next v3 0/4] Fix OdroidC2 Gigabit Tx link issue In-Reply-To: <20161129.193853.827524417068912706.davem@davemloft.net> References: <1480326409-25419-1-git-send-email-jbrunet@baylibre.com> <20161129.193853.827524417068912706.davem@davemloft.net> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/29/2016 04:38 PM, David Miller wrote: > From: Jerome Brunet > Date: Mon, 28 Nov 2016 10:46:45 +0100 > >> This patchset fixes an issue with the OdroidC2 board (DWMAC + RTL8211F). >> The platform seems to enter LPI on the Rx path too often while performing >> relatively high TX transfer. This eventually break the link (both Tx and >> Rx), and require to bring the interface down and up again to get the Rx >> path working again. >> >> The root cause of this issue is not fully understood yet but disabling EEE >> advertisement on the PHY prevent this feature to be negotiated. >> With this change, the link is stable and reliable, with the expected >> throughput performance. >> >> The patchset adds options in the generic phy driver to disable EEE >> advertisement, through device tree. The way it is done is very similar >> to the handling of the max-speed property. > > Patches 1-3 applied to net-next, thanks. Meh, there was a v4 submitted shortly after, and I objected to the whole idea of using that kind of Device Tree properties to disable EEE, we can send reverts though.. -- Florian