Re: [PATCH v4 1/1] net: axienet: Move reset before 64-bit DMA detection

From: patchwork-bot+netdevbpf
Date: Sat Jun 24 2023 - 18:50:41 EST


Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Thu, 22 Jun 2023 22:22:45 +0300 you wrote:
> 64-bit DMA detection will fail if axienet was started before (by boot
> loader, boot ROM, etc). In this state axienet will not start properly.
> XAXIDMA_TX_CDESC_OFFSET + 4 register (MM2S_CURDESC_MSB) is used to detect
> 64-bit DMA capability here. But datasheet says: When DMACR.RS is 1
> (axienet is in enabled state), CURDESC_PTR becomes Read Only (RO) and
> is used to fetch the first descriptor. So iowrite32()/ioread32() trick
> to this register to detect 64-bit DMA will not work.
> So move axienet reset before 64-bit DMA detection.
>
> [...]

Here is the summary with links:
- [v4,1/1] net: axienet: Move reset before 64-bit DMA detection
https://git.kernel.org/netdev/net/c/f1bc9fc4a06d

You are awesome, thank you!
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