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authorjakllsch <jakllsch@NetBSD.org>2019-09-29 21:28:20 +0000
committerjakllsch <jakllsch@NetBSD.org>2019-09-29 21:28:20 +0000
commit4a39fdeff77abe9b4bdca2764bdace1a637245cb (patch)
tree2843e3f54888aa42202982baa813d8454d0bdab2 /sys/dev/ic
parentca4a4d5b214da089323909a7f287de4a8fec5fe9 (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.c9
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);