Date: Sun, 18 Sep 2022 06:27:04 GMT From: Kyle Evans <kevans@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: f248e70fc1a4 - stable/13 - alc: force maximum payload size to 128 bytes for AR816X/AR817x Message-ID: <202209180627.28I6R4LI067791@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kevans: URL: https://cgit.FreeBSD.org/src/commit/?id=f248e70fc1a419dc596023f47fea3ffa829eba3e commit f248e70fc1a419dc596023f47fea3ffa829eba3e Author: Kyle Evans <kevans@FreeBSD.org> AuthorDate: 2022-06-07 01:52:55 +0000 Commit: Kyle Evans <kevans@FreeBSD.org> CommitDate: 2022-09-18 06:26:39 +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) (cherry picked from commit 8cdb6b2dd78793628d7c36198598c85741e44119) --- 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 f0d756b3e865..c6928db3885c 100644 --- a/sys/dev/alc/if_alc.c +++ b/sys/dev/alc/if_alc.c @@ -1495,10 +1495,11 @@ 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); }
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