From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Wed, 14 Oct 2020 13:43:36 -0400 Subject: [PATCH v2] net: e1000: add defaults for i210 TX/RX PBSIZE In-Reply-To: <20201006140835.53964-1-christian.gmeiner@gmail.com> References: <20201006140835.53964-1-christian.gmeiner@gmail.com> Message-ID: <20201014174336.GN14816@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, Oct 06, 2020 at 04:08:35PM +0200, Christian Gmeiner wrote: > Set the defaults on probe for the packet buffer size registers > for the i210. > > The TX/RX PBSIZE register of the i210 resets to its default value > only at power-on - see Intel Ethernet Controller I210 Datasheet rev 3.5 > chapter 8.3 'Internal Packet Buffer Size Registers'. > > If something (another driver, another OS, etc.) modifies this register > from its default value, the e1000 driver doesn't function correctly. It > detects a hang of the transmitter and continuously resets the adapter. > Here we set this value to its default when resetting the i210 to > resolve this issue. > > Signed-off-by: Christian Gmeiner Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 659 bytes Desc: not available URL: