From mboxrd@z Thu Jan 1 00:00:00 1970 From: davem@davemloft.net (David Miller) Date: Wed, 23 Feb 2011 14:30:13 -0800 (PST) Subject: [PATCHv2 2/2] DM9000B: Fix PHY power for network down/up In-Reply-To: <4D642AC6.6050101@henry.nestler.mail.gmail.com> References: <4D62D323.7010403@henry.nestler.mail.gmail.com> <20110222.102410.260079835.davem@davemloft.net> <4D642AC6.6050101@henry.nestler.mail.gmail.com> Message-ID: <20110223.143013.246523171.davem@davemloft.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Henry Nestler Date: Tue, 22 Feb 2011 22:29:42 +0100 > DM9000 revision B needs 1 ms delay after PHY power-on. > PHY must be powered on by writing 0 into register DM9000_GPR before > all other settings will change (see Davicom spec and example code). > > Remember, that register DM9000_GPR was not changed by reset sequence. > > Without this fix the FIFO is out of sync and sends wrong data after > sequence of "ifconfig ethX down ; ifconfig ethX up". I've applied both of your patches, thanks.