| Message ID | cover.1572204430.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | fix mt76x2e hangs on U7612E mini-pcie | expand |
On 27.10.2019 20:53, Lorenzo Bianconi wrote: > Various mt76x2e issues have been reported on U7612E mini-pcie card [1]. > On U7612E-H1 PCIE_ASPM causes continuous mcu hangs and instability and > so patch 1/2 disable it by default. > Moreover mt76 does not properly unmap dma buffers for non-linear skbs. > This issue may result in hw hangs if the system relies on IOMMU. > Patch 2/2 fix the problem properly unmapping data fragments on > non-linear skbs. > > Changes since v2: > - fix compilation error if PCI support is not compiled > > Changes since v1: > - simplify buf0 unmap condition > - use IS_ENABLED(CONFIG_PCIEASPM) instead of ifdef CONFIG_PCIEASPM > - check pci_disable_link_state return value > > [1]: > https://lore.kernel.org/netdev/deaafa7a3e9ea2111ebb5106430849c6@natalenko.name/ > > > Lorenzo Bianconi (2): > mt76: mt76x2e: disable pcie_aspm by default > mt76: dma: fix buffer unmap with non-linear skbs > > drivers/net/wireless/mediatek/mt76/Makefile | 2 + > drivers/net/wireless/mediatek/mt76/dma.c | 6 ++- > drivers/net/wireless/mediatek/mt76/mt76.h | 6 ++- > .../net/wireless/mediatek/mt76/mt76x2/pci.c | 2 + > drivers/net/wireless/mediatek/mt76/pci.c | 46 +++++++++++++++++++ > 5 files changed, 58 insertions(+), 4 deletions(-) > create mode 100644 drivers/net/wireless/mediatek/mt76/pci.c So, works fine for me. Checked with 5.3 and additional include fix I've mentioned previously. With that, for the whole series feel free to add: Reported-by: Oleksandr Natalenko <oleksandr@natalenko.name> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Thank you.