Zhi Chen <zhichen@xxxxxxxxxxxxxx> writes: > This reverts commit 76d164f582150fd0259ec0fcbc485470bcd8033e. > PCIe hung issue was observed on multiple platforms. The issue was reproduced > when DUT was configured as AP and associated with 50+ STAs. > > With PCIe protocol analyzer, we can see DMA Read crossing 4KB boundary when > issue happened. It broke PCIe spec and caused PCIe stuck. > > Tested: IPQ8064 + QCA9984 with firmware 10.4-3.10-00047 > QCS404 + QCA9984 with firmware 10.4-3.9.0.2--00044 > Synaptics AS370 + QCA9888 with firmware 10.4-3.9.0.2--00040 > > Signed-off-by: Zhi Chen <zhichen@xxxxxxxxxxxxxx> > --- All comments under --- line is not added to the git repository. > v2: revert 10.4 only because old chips have different AXI RD/WR CFG So you should also mention this in the commit log so it gets properly archived. And in the next version please remove RFC, as it seems we are reaching a consensus that is the right approach. Or are there any comments? -- https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches