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Revert ehci(4) bits in the previous commit. Apparently 64-bit DMA is broken

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in (almost?) all ehci(4) controllers.
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kettenis
2024-10-11 09:55:24 +00:00
parent 41cc39b37c
commit 89d99141c9
1 changed files with 1 additions and 2 deletions
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3
sys/dev/usb/ehci.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: ehci.c,v 1.221 2024/10/08 19:42:31 kettenis Exp $ */
/* $OpenBSD: ehci.c,v 1.222 2024/10/11 09:55:24 kettenis Exp $ */
/* $NetBSD: ehci.c,v 1.66 2004/06/30 03:11:56 mycroft Exp $ */
/*
@@ -317,7 +317,6 @@ ehci_init(struct ehci_softc *sc)
sc->sc_noport = EHCI_HCS_N_PORTS(sparams);
cparams = EREAD4(sc, EHCI_HCCPARAMS);
DPRINTF(("ehci_init: cparams=0x%x\n", cparams));
sc->sc_bus.dmaflags = EHCI_HCC_64BIT(cparams) ? BUS_DMA_64BIT : 0;
/* MUST clear segment register if 64 bit capable. */
if (EHCI_HCC_64BIT(cparams))