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Message-ID: <20070911021552.GA10490@havoc.gtf.org>
Date: Mon, 10 Sep 2007 22:15:52 -0400
From: Jeff Garzik <jeff@...zik.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [git patches] libata fixes
Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus
to receive the following updates:
drivers/ata/libata-core.c | 1 +
drivers/ata/pata_it821x.c | 4 ++++
drivers/ata/pata_via.c | 14 +++++++++++---
drivers/ide/pci/via82cxxx.c | 1 +
include/linux/pci_ids.h | 1 +
5 files changed, 18 insertions(+), 3 deletions(-)
Jeff Norden (1):
pata_it821x: fix lost interrupt with atapi devices
Joseph Chan (1):
[libata, IDE] add new VIA bridge to VIA PATA drivers
Laurent Riffard (1):
Fix broken pata_via cable detection
Tejun Heo (1):
libata clear horkage on ata_dev_init()
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a3ee087..c43de9a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6035,6 +6035,7 @@ void ata_dev_init(struct ata_device *dev)
*/
spin_lock_irqsave(ap->lock, flags);
dev->flags &= ~ATA_DFLAG_INIT_MASK;
+ dev->horkage = 0;
spin_unlock_irqrestore(ap->lock, flags);
memset((void *)dev + ATA_DEVICE_CLEAR_OFFSET, 0,
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index ed637ae..5d8b91e 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -533,6 +533,10 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc)
struct ata_port *ap = qc->ap;
struct it821x_dev *itdev = ap->private_data;
+ /* Only use dma for transfers to/from the media. */
+ if (qc->nbytes < 2048)
+ return -EOPNOTSUPP;
+
/* No ATAPI DMA in smart mode */
if (itdev->smart)
return -EOPNOTSUPP;
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index ea18e33..636c4f1 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -97,6 +97,7 @@ static const struct via_isa_bridge {
u8 rev_max;
u16 flags;
} via_isa_bridges[] = {
+ { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
@@ -243,7 +244,6 @@ static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mo
int ut;
int offset = 3 - (2*ap->port_no) - adev->devno;
-
/* Calculate the timing values we require */
ata_timing_compute(adev, mode, &t, T, UT);
@@ -290,9 +290,17 @@ static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mo
ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 9) - 2)) : 0x07;
break;
}
+
/* Set UDMA unless device is not UDMA capable */
- if (udma_type)
- pci_write_config_byte(pdev, 0x50 + offset, ut);
+ if (udma_type) {
+ u8 cable80_status;
+
+ /* Get 80-wire cable detection bit */
+ pci_read_config_byte(pdev, 0x50 + offset, &cable80_status);
+ cable80_status &= 0x10;
+
+ pci_write_config_byte(pdev, 0x50 + offset, ut | cable80_status);
+ }
}
static void via_set_piomode(struct ata_port *ap, struct ata_device *adev)
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 581316f..8c53938 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -74,6 +74,7 @@ static struct via_isa_bridge {
u8 udma_mask;
u8 flags;
} via_isa_bridges[] = {
+ { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 17168f3..d41747b 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1343,6 +1343,7 @@
#define PCI_DEVICE_ID_VIA_8231_4 0x8235
#define PCI_DEVICE_ID_VIA_8365_1 0x8305
#define PCI_DEVICE_ID_VIA_CX700 0x8324
+#define PCI_DEVICE_ID_VIA_VX800 0x8353
#define PCI_DEVICE_ID_VIA_8371_1 0x8391
#define PCI_DEVICE_ID_VIA_82C598_1 0x8598
#define PCI_DEVICE_ID_VIA_838X_1 0xB188
-
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