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Message-Id: <20070109102618.e2c35b9c.akpm@osdl.org>
Date: Tue, 9 Jan 2007 10:26:18 -0800
From: Andrew Morton <akpm@...l.org>
To: "Bartlomiej Zolnierkiewicz" <bzolnier@...il.com>
Cc: "Jeff Garzik" <jeff@...zik.org>, "Conke Hu" <conke.hu@...il.com>,
"Linux kernel mailing list" <linux-kernel@...r.kernel.org>,
"Greg KH" <greg@...ah.com>, linux-ide@...r.kernel.org
Subject: Re: [PATCH 3/3] atiixp.c: add cable detection support for ATI IDE
On Tue, 9 Jan 2007 14:54:01 +0100
"Bartlomiej Zolnierkiewicz" <bzolnier@...il.com> wrote:
> The good news is that it doesn't matter now as Andrew fixed Conke's patches
> manually and applied them to -mm
I applied three pathces, but there's been such a storm of inadequately
changelogged mangled patches that I have little confidence that what I
applied was complete and up-to-date.
> [ but without my Acked-by-s :( ].
oop.
Here are the three patches. Conke, can you please tell us whether this is
all correct and complete?
From: "Conke Hu" <conke.hu@...il.com>
A previous patch to atiixp.c was removed but some code has not been
cleaned. Now we remove these code sine they are no use any longer.
Signed-off-by: Conke Hu <conke.hu@....com>
Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc: Greg KH <greg@...ah.com>
Signed-off-by: Andrew Morton <akpm@...l.org>
---
drivers/ide/pci/atiixp.c | 21 +--------------------
1 files changed, 1 insertion(+), 20 deletions(-)
diff -puN drivers/ide/pci/atiixp.c~atiixpc-remove-unused-code drivers/ide/pci/atiixp.c
--- a/drivers/ide/pci/atiixp.c~atiixpc-remove-unused-code
+++ a/drivers/ide/pci/atiixp.c
@@ -320,19 +320,6 @@ static void __devinit init_hwif_atiixp(i
hwif->drives[0].autodma = hwif->autodma;
}
-static void __devinit init_hwif_sb600_legacy(ide_hwif_t *hwif)
-{
-
- hwif->atapi_dma = 1;
- hwif->ultra_mask = 0x7f;
- hwif->mwdma_mask = 0x07;
- hwif->swdma_mask = 0x07;
-
- if (!noautodma)
- hwif->autodma = 1;
- hwif->drives[0].autodma = hwif->autodma;
- hwif->drives[1].autodma = hwif->autodma;
-}
static ide_pci_device_t atiixp_pci_info[] __devinitdata = {
{ /* 0 */
@@ -342,13 +329,7 @@ static ide_pci_device_t atiixp_pci_info[
.autodma = AUTODMA,
.enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
.bootable = ON_BOARD,
- },{ /* 1 */
- .name = "ATI SB600 SATA Legacy IDE",
- .init_hwif = init_hwif_sb600_legacy,
- .channels = 2,
- .autodma = AUTODMA,
- .bootable = ON_BOARD,
- }
+ },
};
/**
_
From: "Conke Hu" <conke.hu@...il.com>
AMD/ATI SB600 IDE/PATA controller only has one channel.
Signed-off-by: Conke Hu <conke.hu@....com>
Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc: Greg KH <greg@...ah.com>
Signed-off-by: Andrew Morton <akpm@...l.org>
---
drivers/ide/pci/atiixp.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff -puN drivers/ide/pci/atiixp.c~atiixpc-sb600-ide-only-has-one-channel drivers/ide/pci/atiixp.c
--- a/drivers/ide/pci/atiixp.c~atiixpc-sb600-ide-only-has-one-channel
+++ a/drivers/ide/pci/atiixp.c
@@ -329,7 +329,14 @@ static ide_pci_device_t atiixp_pci_info[
.autodma = AUTODMA,
.enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
.bootable = ON_BOARD,
- },
+ },{ /* 1 */
+ .name = "SB600_PATA",
+ .init_hwif = init_hwif_atiixp,
+ .channels = 1,
+ .autodma = AUTODMA,
+ .enablebits = {{0x48,0x01,0x00}, {0x00,0x00,0x00}},
+ .bootable = ON_BOARD,
+ },
};
/**
@@ -350,7 +357,7 @@ static struct pci_device_id atiixp_pci_t
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);
_
From: "Conke Hu" <conke.hu@...il.com>
IDE HDD does not work if it uses a 40-pin PATA cable on ATI chipset.
This patch fixes the bug.
Signed-off-by: Conke Hu <conke.hu@....com>
Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc: Greg KH <greg@...ah.com>
Signed-off-by: Andrew Morton <akpm@...l.org>
---
drivers/ide/pci/atiixp.c | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff -puN drivers/ide/pci/atiixp.c~atiixpc-add-cable-detection-support-for-ati-ide drivers/ide/pci/atiixp.c
--- a/drivers/ide/pci/atiixp.c~atiixpc-add-cable-detection-support-for-ati-ide
+++ a/drivers/ide/pci/atiixp.c
@@ -291,8 +291,12 @@ fast_ata_pio:
static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
{
+ u8 udma_mode = 0;
+ u8 ch = hwif->channel;
+ struct pci_dev *pdev = hwif->pci_dev;
+
if (!hwif->irq)
- hwif->irq = hwif->channel ? 15 : 14;
+ hwif->irq = ch ? 15 : 14;
hwif->autodma = 0;
hwif->tuneproc = &atiixp_tuneproc;
@@ -308,8 +312,12 @@ static void __devinit init_hwif_atiixp(i
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
- /* FIXME: proper cable detection needed */
- hwif->udma_four = 1;
+ pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode);
+ if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40)
+ hwif->udma_four = 1;
+ else
+ hwif->udma_four = 0;
+
hwif->ide_dma_host_on = &atiixp_ide_dma_host_on;
hwif->ide_dma_host_off = &atiixp_ide_dma_host_off;
hwif->ide_dma_check = &atiixp_dma_check;
_
-
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