RE: [PATCH] net: stmmac: overwrite the dma_cap.addr64 according to HW design

2020-12-03 Thread Joakim Zhang
> -Original Message- > From: Jakub Kicinski > Sent: 2020年12月4日 2:42 > To: Joakim Zhang > Cc: peppe.cavall...@st.com; alexandre.tor...@st.com; > joab...@synopsys.com; da...@davemloft.net; dl-linux-imx > ; netdev@vger.kernel.org > Subject: Re: [PATCH] ne

Re: [PATCH] net: stmmac: overwrite the dma_cap.addr64 according to HW design

2020-12-03 Thread Jakub Kicinski
On Thu, 3 Dec 2020 10:44:23 +0800 Joakim Zhang wrote: > From: Fugang Duan > > The current IP register MAC_HW_Feature1[ADDR64] only defines > 32/40/64 bit width, but some SOCs support others like i.MX8MP > support 34 bits but it maps to 40 bits width in MAC_HW_Feature1[ADDR64]. > So overwrite dma