Messages in this thread | | | From | Chen-Yu Tsai <> | Date | Wed, 15 Apr 2020 13:41:47 +0800 | Subject | Re: [PATCH net] net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes |
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On Wed, Apr 15, 2020 at 6:40 AM Florian Fainelli <f.fainelli@gmail.com> wrote: > > After commit bfcb813203e619a8960a819bf533ad2a108d8105 ("net: dsa: > configure the MTU for switch ports") my Lamobo R1 platform which uses > an allwinner,sun7i-a20-gmac compatible Ethernet MAC started to fail > by rejecting a MTU of 1536. The reason for that is that the DMA > capabilities are not readable on this version of the IP, and there > is also no 'tx-fifo-depth' property being provided in Device Tree. The > property is documented as optional, and is not provided. > > Chen-Yu indicated that the FIFO sizes are 4KB for TX and 16KB for RX, so > provide these values through platform data as an immediate fix until > various Device Tree sources get updated accordingly. > > Fixes: eaf4fac47807 ("net: stmmac: Do not accept invalid MTU values") > Suggested-by: Chen-Yu Tsai <wens@csie.org> > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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