diff options
| author | jakllsch <jakllsch@NetBSD.org> | 2019-09-29 21:28:20 +0000 |
|---|---|---|
| committer | jakllsch <jakllsch@NetBSD.org> | 2019-09-29 21:28:20 +0000 |
| commit | 4a39fdeff77abe9b4bdca2764bdace1a637245cb (patch) | |
| tree | 2843e3f54888aa42202982baa813d8454d0bdab2 /sys/dev/ic | |
| parent | ca4a4d5b214da089323909a7f287de4a8fec5fe9 (diff) | |
Use AHCI_RFIS_SYNC in ahci_cmd_complete() AT_READREG case.
Ensures CPU sees the current device to host FIS before parsing.
Diffstat (limited to 'sys/dev/ic')
| -rw-r--r-- | sys/dev/ic/ahcisata_core.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/dev/ic/ahcisata_core.c b/sys/dev/ic/ahcisata_core.c index 557daadfeea..5954eb7a549 100644 --- a/sys/dev/ic/ahcisata_core.c +++ b/sys/dev/ic/ahcisata_core.c @@ -1,4 +1,4 @@ -/* $NetBSD: ahcisata_core.c,v 1.77 2019/09/29 21:25:08 jakllsch Exp $ */ +/* $NetBSD: ahcisata_core.c,v 1.78 2019/09/29 21:28:20 jakllsch Exp $ */ /* * Copyright (c) 2006 Manuel Bouyer. @@ -26,7 +26,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ahcisata_core.c,v 1.77 2019/09/29 21:25:08 jakllsch Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ahcisata_core.c,v 1.78 2019/09/29 21:28:20 jakllsch Exp $"); #include <sys/types.h> #include <sys/malloc.h> @@ -1265,6 +1265,7 @@ ahci_cmd_complete(struct ata_channel *chp, struct ata_xfer *xfer, int tfd) { struct ata_command *ata_c = &xfer->c_ata_c; struct ahci_channel *achp = (struct ahci_channel *)chp; + struct ahci_softc *sc = AHCI_CH2SC(chp); AHCIDEBUG_PRINT(("ahci_cmd_complete port %d CMD 0x%x CI 0x%x\n", chp->ch_channel, @@ -1286,8 +1287,10 @@ ahci_cmd_complete(struct ata_channel *chp, struct ata_xfer *xfer, int tfd) ata_c->flags |= AT_ERROR; } - if (ata_c->flags & AT_READREG) + if (ata_c->flags & AT_READREG) { + AHCI_RFIS_SYNC(sc, achp, BUS_DMASYNC_POSTREAD); satafis_rdh_cmd_readreg(ata_c, achp->ahcic_rfis->rfis_rfis); + } ahci_cmd_done(chp, xfer); |
