Signed-off-by: Alan Cox <[email protected]>
(Sorry its -R, git doesn't appear to have the ability to generate
reverse diffs to fix this)
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 62b1a3f..22b2dba 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -93,7 +93,7 @@
#include <linux/libata.h>
#define DRV_NAME "ata_piix"
-#define DRV_VERSION "2.00-u1ac40"
+#define DRV_VERSION "2.00"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
@@ -473,24 +473,6 @@ module_param(force_pcs, int, 0444);
MODULE_PARM_DESC(force_pcs, "force honoring or ignoring PCS to work around "
"device mis-detection (0=default, 1=ignore PCS, 2=honor PCS)");
-
-struct ich_laptop {
- u16 device;
- u16 subvendor;
- u16 subdevice;
-};
-
-/*
- * List of laptops that use short cables rather than 80 wire
- */
-
-static const struct ich_laptop ich_laptop[] = {
- /* devid, subvendor, subdev */
- { 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */
- /* end marker */
- { 0, }
-};
-
/**
* piix_pata_cbl_detect - Probe host controller cable detect info
* @ap: Port for which cable detect info is desired
@@ -504,21 +486,12 @@ static const struct ich_laptop ich_lapto
static void piix_pata_cbl_detect(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- const struct ich_laptop *lap = &ich_laptop[0];
u8 tmp, mask;
/* no 80c support in host controller? */
if ((ap->udma_mask & ~ATA_UDMA_MASK_40C) == 0)
goto cbl40;
- /* Check for specials - Acer Aspire 5602WLMi */
- while (lap->device) {
- if (lap->device == pdev->device &&
- lap->subvendor == pdev->subsystem_vendor &&
- lap->subdevice == pdev->subsystem_device)
- return ATA_CBL_PATA40_SHORT;
- lap++;
- }
/* check BIOS cable detect results */
mask = ap->port_no == 0 ? PIIX_80C_PRI : PIIX_80C_SEC;
pci_read_config_byte(pdev, PIIX_IOCFG, &tmp);
@@ -604,7 +577,6 @@ static unsigned int piix_sata_present_ma
return present_mask;
}
-
/**
* piix_sata_softreset - reset SATA host port via ATA SRST
* @ap: port to reset
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 82dc3ad..1c93154 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3093,13 +3093,6 @@ static void ata_dev_xfermask(struct ata_
*/
if (ap->cbl == ATA_CBL_PATA40)
xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA);
- /* Apply drive side cable rule. Unknown or 80 pin cables reported
- * host side are checked drive side as well. Cases where we know a
- * 40wire cable is used safely for 80 are not checked here.
- */
- if (ata_drive_40wire(dev->id) && (ap->cbl == ATA_CBL_PATA_UNK || ap->cbl == ATA_CBL_PATA80))
- xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA);
-
xfer_mask &= ata_pack_xfermask(dev->pio_mask,
dev->mwdma_mask, dev->udma_mask);
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 0a7a284..991b858 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -200,9 +200,8 @@ enum {
ATA_CBL_NONE = 0,
ATA_CBL_PATA40 = 1,
ATA_CBL_PATA80 = 2,
- ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */
- ATA_CBL_PATA_UNK = 4,
- ATA_CBL_SATA = 5,
+ ATA_CBL_PATA_UNK = 3,
+ ATA_CBL_SATA = 4,
/* SATA Status and Control Registers */
SCR_STATUS = 0,
@@ -343,15 +342,6 @@ static inline int ata_id_is_cfa(const u1
return 0;
}
-static inline int ata_drive_40wire(const u16 *dev_id)
-{
- if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id))
- return 0; /* SATA */
- if (dev_id[93] & 0x4000)
- return 0; /* 80 wire */
- return 1;
-}
-
static inline int atapi_cdb_len(const u16 *dev_id)
{
u16 tmp = dev_id[0] & 0x3;
-
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