Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-11-06 Thread zhichen
On 2019-11-06 18:01, Tom Psyborg wrote: On 30/10/2019, zhic...@codeaurora.org wrote: On 2019-10-22 18:07, Tom Psyborg wrote: What about main and 10x firmware branch? There is no code changes in firmware. It's a configuration change of host memory access. Zhi Please change it for main

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-11-06 Thread Tom Psyborg
On 30/10/2019, zhic...@codeaurora.org wrote: > On 2019-10-22 18:07, Tom Psyborg wrote: > >> What about main and 10x firmware branch? > > There is no code changes in firmware. It's a configuration change of > host memory access. > > Zhi > Please change it for main and 10x branch too. Dumping

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-11-03 Thread Tom Psyborg
On 30/10/2019, zhic...@codeaurora.org wrote: > On 2019-10-23 01:16, Peter Oh wrote: >> >> How can you say value 0 (I believe it's 64 bytes) DMA burst size >> causes the symptom and 1 fixes it? >> >> Peter > > Confirmed from HW team that the configuration controls AXI burst size of > the RD/WR

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-30 Thread Peter Oh
On 10/29/19 11:16 PM, zhic...@codeaurora.org wrote: On 2019-10-23 01:16, Peter Oh wrote: How can you say value 0 (I believe it's 64 bytes) DMA burst size causes the symptom and 1 fixes it? Peter Confirmed from HW team that the configuration controls AXI burst size of the RD/WR access to

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-30 Thread zhichen
On 2019-10-23 02:24, Adrian Chadd wrote: On Tue, 22 Oct 2019 at 10:17, Peter Oh wrote: On 10/22/19 1:57 AM, Zhi Chen wrote: > This reverts commit 76d164f582150fd0259ec0fcbc485470bcd8033e. > PCIe hung issue was observed on multiple platforms. The issue was reproduced > when DUT was configured

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-30 Thread zhichen
On 2019-10-23 01:16, Peter Oh wrote: How can you say value 0 (I believe it's 64 bytes) DMA burst size causes the symptom and 1 fixes it? Peter Confirmed from HW team that the configuration controls AXI burst size of the RD/WR access to the HOST MEM. 0- No split , RAW read/write transfer

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-30 Thread Peter Oh
On 10/22/19 11:24 AM, Adrian Chadd wrote: On Tue, 22 Oct 2019 at 10:17, Peter Oh wrote: On 10/22/19 1:57 AM, Zhi Chen wrote: This reverts commit 76d164f582150fd0259ec0fcbc485470bcd8033e. PCIe hung issue was observed on multiple platforms. The issue was reproduced when DUT was configured as

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-29 Thread zhichen
On 2019-10-22 18:07, Tom Psyborg wrote: What about main and 10x firmware branch? There is no code changes in firmware. It's a configuration change of host memory access. Zhi ___ ath10k mailing list ath10k@lists.infradead.org

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-22 Thread Adrian Chadd
On Tue, 22 Oct 2019 at 10:17, Peter Oh wrote: > > > On 10/22/19 1:57 AM, Zhi Chen wrote: > > 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+

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-22 Thread Peter Oh
On 10/22/19 1:57 AM, Zhi Chen wrote: 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

Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices"

2019-10-22 Thread Tom Psyborg
On 22/10/2019, Zhi Chen wrote: > 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