[PATCH v2] net: e1000: add defaults for i210 TX/RX PBSIZE

Tom Rini trini at konsulko.com
Wed Oct 14 19:43:36 CEST 2020


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 <christian.gmeiner at gmail.com>

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: <https://lists.denx.de/pipermail/u-boot/attachments/20201014/fe04bc90/attachment.sig>


More information about the U-Boot mailing list