Module Name: src
Committed By: jakllsch
Date: Sun Sep 29 21:28:20 UTC 2019
Modified Files:
src/sys/dev/ic: ahcisata_core.c
Log Message:
Use AHCI_RFIS_SYNC in ahci_cmd_complete() AT_READREG case.
Ensures CPU sees the current device to host FIS before parsing.
To generate a diff of this commit:
cvs rdiff -u -r1.77 -r1.78 src/sys/dev/ic/ahcisata_core.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/ahcisata_core.c
diff -u src/sys/dev/ic/ahcisata_core.c:1.77 src/sys/dev/ic/ahcisata_core.c:1.78
--- src/sys/dev/ic/ahcisata_core.c:1.77 Sun Sep 29 21:25:08 2019
+++ src/sys/dev/ic/ahcisata_core.c Sun Sep 29 21:28:20 2019
@@ -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 *ch
{
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 *ch
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);
