From mboxrd@z Thu Jan 1 00:00:00 1970 From: davem@davemloft.net (David Miller) Date: Mon, 12 Jul 2010 20:36:11 -0700 (PDT) Subject: [PATCH] fec: use interrupt for MDIO completion indication In-Reply-To: <006416d38a8e51ba8dd8631613a991528dc7976a.1278918594.git.baruch@tkos.co.il> References: <006416d38a8e51ba8dd8631613a991528dc7976a.1278918594.git.baruch@tkos.co.il> Message-ID: <20100712.203611.67894902.davem@davemloft.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Baruch Siach Date: Mon, 12 Jul 2010 10:12:51 +0300 > With the move to phylib (commit e6b043d) I was seeing sporadic "MDIO write > timeout" messages. Measure of the actual time spent showed latency times of > more than 1600us. > > This patch uses the MII event indication of the FEC hardware to detect > completion of MDIO transactions. > > Signed-off-by: Baruch Siach Applied.