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Wed, 12 Mar 2025 23:47:36 +0000 Message-ID: <468cfeef-3562-4b04-a2c1-e4000472dc85@intel.com> Date: Wed, 12 Mar 2025 16:47:34 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND net-next v2] net: stmmac: dwmac-rk: Provide FIFO sizes for DWMAC 1000 To: Chen-Yu Tsai , Andrew Lunn , "David S. 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 3/12/2025 9:34 AM, Chen-Yu Tsai wrote: > From: Chen-Yu Tsai > > The DWMAC 1000 DMA capabilities register does not provide actual > FIFO sizes, nor does the driver really care. If they are not > provided via some other means, the driver will work fine, only > disallowing changing the MTU setting. > > Provide the FIFO sizes through the driver's platform data to enable > MTU changes. The FIFO sizes are confirmed to be the same across RK3288, > RK3328, RK3399 and PX30, based on their respective manuals. It is > likely that Rockchip synthesized their DWMAC 1000 with the same > parameters on all their chips that have it. > > Signed-off-by: Chen-Yu Tsai > --- Reviewed-by: Jacob Keller _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip