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From: Jeff Garzik <jgarzik@pobox.com>
To: Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: [BK PATCHES] 2.6.x libata fixes
Date: Fri, 11 Mar 2005 23:33:48 -0500	[thread overview]
Message-ID: <4232712C.1080901@pobox.com> (raw)

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[-- Attachment #2: libata.txt --]
[-- Type: text/plain, Size: 327 bytes --]

Please do a

	bk pull bk://gkernel.bkbits.net/libata-2.6

This will update the following files:

 drivers/scsi/ahci.c |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

through these ChangeSets:

Brett Russ:
  o AHCI: fix fatal error int handling

Jeff Garzik:
  o [libata ahci] support ->tf_read hook


[-- Attachment #3: libata.patch --]
[-- Type: text/x-patch, Size: 1606 bytes --]

diff -Nru a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
--- a/drivers/scsi/ahci.c	2005-03-11 23:30:59 -05:00
+++ b/drivers/scsi/ahci.c	2005-03-11 23:30:59 -05:00
@@ -177,6 +177,7 @@
 static int ahci_port_start(struct ata_port *ap);
 static void ahci_port_stop(struct ata_port *ap);
 static void ahci_host_stop(struct ata_host_set *host_set);
+static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
 static void ahci_qc_prep(struct ata_queued_cmd *qc);
 static u8 ahci_check_status(struct ata_port *ap);
 static u8 ahci_check_err(struct ata_port *ap);
@@ -210,6 +211,8 @@
 	.check_err		= ahci_check_err,
 	.dev_select		= ata_noop_dev_select,
 
+	.tf_read		= ahci_tf_read,
+
 	.phy_reset		= ahci_phy_reset,
 
 	.qc_prep		= ahci_qc_prep,
@@ -463,6 +466,14 @@
 	return (readl(mmio + PORT_TFDATA) >> 8) & 0xFF;
 }
 
+static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
+{
+	struct ahci_port_priv *pp = ap->private_data;
+	u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
+
+	ata_tf_from_fis(d2h_fis, tf);
+}
+
 static void ahci_fill_sg(struct ata_queued_cmd *qc)
 {
 	struct ahci_port_priv *pp = qc->ap->private_data;
@@ -539,7 +550,7 @@
 
 	/* stop DMA */
 	tmp = readl(port_mmio + PORT_CMD);
-	tmp &= PORT_CMD_START | PORT_CMD_FIS_RX;
+	tmp &= ~PORT_CMD_START;
 	writel(tmp, port_mmio + PORT_CMD);
 
 	/* wait for engine to stop.  TODO: this could be
@@ -571,7 +582,7 @@
 
 	/* re-start DMA */
 	tmp = readl(port_mmio + PORT_CMD);
-	tmp |= PORT_CMD_START | PORT_CMD_FIS_RX;
+	tmp |= PORT_CMD_START;
 	writel(tmp, port_mmio + PORT_CMD);
 	readl(port_mmio + PORT_CMD); /* flush */
 

             reply	other threads:[~2005-03-12  4:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-12  4:33 Jeff Garzik [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-03-29 20:46 [BK PATCHES] 2.6.x libata fixes Jeff Garzik
2005-02-07  9:19 Jeff Garzik
2004-12-08  1:03 Jeff Garzik
2004-10-31  0:18 Jeff Garzik
2004-08-30 18:50 Jeff Garzik
2004-08-29  1:07 Jeff Garzik
2004-07-14 20:33 Jeff Garzik

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