RE: [PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451

2019-03-13 Thread Z.q. Hou
el.org; > bhelg...@google.com; robh...@kernel.org; mark.rutl...@arm.com; > l.subrahma...@mobiveil.co.in; shawn...@kernel.org; Leo Li > ; lorenzo.pieral...@arm.com; > catalin.mari...@arm.com; will.dea...@arm.com > Cc: Mingkai Hu ; M.h. Lian > ; Xiaowei Bao ; Z.q. Hou > >

RE: [PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451

2019-03-13 Thread Z.q. Hou
bh+l.subrahma...@mobiveil.co.in; > > > shawn...@kernel.org; Leo Li ; > > > lorenzo.pieral...@arm.com; catalin.mari...@arm.com; > > > will.dea...@arm.com; Mingkai Hu ; M.h. Lian > > > ; Xiaowei Bao > > > Subject: Re: [PATCHv4 26/28] PCI: mobiveil: ls_p

Re: [PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451

2019-03-12 Thread Bjorn Helgaas
n.mari...@arm.com; > > will.dea...@arm.com; Mingkai Hu ; M.h. Lian > > ; Xiaowei Bao > > Subject: Re: [PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for > > A-011451 > > > > On Mon, Mar 11, 2019 at 09:33:32AM +, Z.q. Hou wrote: > > > From: Hou Zhi

RE: [PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451

2019-03-12 Thread Z.q. Hou
el@vger.kernel.org; > robh...@kernel.org; mark.rutl...@arm.com; l.subrahma...@mobiveil.co.in; > shawn...@kernel.org; Leo Li ; > lorenzo.pieral...@arm.com; catalin.mari...@arm.com; > will.dea...@arm.com; Mingkai Hu ; M.h. Lian > ; Xiaowei Bao > Subject: Re: [PATCHv4 26/28] PCI:

Re: [PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451

2019-03-11 Thread Bjorn Helgaas
On Mon, Mar 11, 2019 at 09:33:32AM +, Z.q. Hou wrote: > From: Hou Zhiqiang > > When LX2 PCIe controller is sending multiple split completions and > ACK latency expires indicating that ACK should be send at priority. > But because of large number of split completions and FC update DLLP, > the

[PATCHv4 26/28] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451

2019-03-11 Thread Z.q. Hou
From: Hou Zhiqiang When LX2 PCIe controller is sending multiple split completions and ACK latency expires indicating that ACK should be send at priority. But because of large number of split completions and FC update DLLP, the controller does not give priority to ACK transmission. This results