The branch main has been updated by kevans: URL: https://cgit.FreeBSD.org/src/commit/?id=8cdb6b2dd78793628d7c36198598c85741e44119
commit 8cdb6b2dd78793628d7c36198598c85741e44119 Author: Kyle Evans <[email protected]> AuthorDate: 2022-06-07 01:52:55 +0000 Commit: Kyle Evans <[email protected]> CommitDate: 2022-06-07 01:52:55 +0000 alc: force maximum payload size to 128 bytes for AR816X/AR817x Otherwise, we'll trigger a DMA write error and render the device unusable. Obtained from: OpenBSD (via Haiku, waddlesplash) MFC after: 3 days --- sys/dev/alc/if_alc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sys/dev/alc/if_alc.c b/sys/dev/alc/if_alc.c index 05254d462db0..128786f2bf0c 100644 --- a/sys/dev/alc/if_alc.c +++ b/sys/dev/alc/if_alc.c @@ -1493,10 +1493,11 @@ alc_attach(device_t dev) sc->alc_dma_wr_burst = 3; /* * Force maximum payload size to 128 bytes for - * E2200/E2400/E2500. + * E2200/E2400/E2500/AR8162/AR8171/AR8172. * Otherwise it triggers DMA write error. */ - if ((sc->alc_flags & ALC_FLAG_E2X00) != 0) + if ((sc->alc_flags & + (ALC_FLAG_E2X00 | ALC_FLAG_AR816X_FAMILY)) != 0) sc->alc_dma_wr_burst = 0; alc_init_pcie(sc); }
