Messages in this thread | | | Subject | Re: [PATCH v4 1/1] net: axienet: Move reset before 64-bit DMA detection | From | patchwork-bot+netdevbpf@kernel ... | Date | Sat, 24 Jun 2023 22:50:19 +0000 |
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Hello:
This patch was applied to netdev/net.git (main) by Jakub Kicinski <kuba@kernel.org>:
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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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