pata: cable methods

Versus upstream as requested

Last of the trivial switches to cable_detect methods.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Alan Cox
2007-04-11 00:04:20 +01:00
committed by Jeff Garzik
parent 5a5dbd18a7
commit eb4a2c7f03
6 changed files with 67 additions and 153 deletions

View File

@@ -93,7 +93,7 @@
#include <linux/libata.h>
#define DRV_NAME "ata_piix"
#define DRV_VERSION "2.10ac1"
#define DRV_VERSION "2.11"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
@@ -155,11 +155,11 @@ struct piix_host_priv {
static int piix_init_one (struct pci_dev *pdev,
const struct pci_device_id *ent);
static void piix_pata_error_handler(struct ata_port *ap);
static void ich_pata_error_handler(struct ata_port *ap);
static void piix_sata_error_handler(struct ata_port *ap);
static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev);
static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev);
static int ich_pata_cable_detect(struct ata_port *ap);
static unsigned int in_module_init = 1;
@@ -305,6 +305,7 @@ static const struct ata_port_operations piix_pata_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = piix_pata_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = ata_cable_40wire,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
@@ -336,8 +337,9 @@ static const struct ata_port_operations ich_pata_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
.error_handler = ich_pata_error_handler,
.error_handler = piix_pata_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = ich_pata_cable_detect,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
@@ -586,7 +588,7 @@ static const struct ich_laptop ich_laptop[] = {
};
/**
* piix_pata_cbl_detect - Probe host controller cable detect info
* ich_pata_cable_detect - Probe host controller cable detect info
* @ap: Port for which cable detect info is desired
*
* Read 80c cable indicator from ATA PCI device's PCI config
@@ -596,23 +598,18 @@ static const struct ich_laptop ich_laptop[] = {
* None (inherited from caller).
*/
static void ich_pata_cbl_detect(struct ata_port *ap)
static int ich_pata_cable_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) {
ap->cbl = ATA_CBL_PATA40_SHORT;
return;
return ATA_CBL_PATA40_SHORT;
}
lap++;
}
@@ -621,20 +618,14 @@ static void ich_pata_cbl_detect(struct ata_port *ap)
mask = ap->port_no == 0 ? PIIX_80C_PRI : PIIX_80C_SEC;
pci_read_config_byte(pdev, PIIX_IOCFG, &tmp);
if ((tmp & mask) == 0)
goto cbl40;
ap->cbl = ATA_CBL_PATA80;
return;
cbl40:
ap->cbl = ATA_CBL_PATA40;
return ATA_CBL_PATA40;
return ATA_CBL_PATA80;
}
/**
* piix_pata_prereset - prereset for PATA host controller
* @ap: Target port
*
*
* LOCKING:
* None (inherited from caller).
*/
@@ -644,8 +635,6 @@ static int piix_pata_prereset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
return -ENOENT;
ap->cbl = ATA_CBL_PATA40;
return ata_std_prereset(ap);
}
@@ -656,30 +645,6 @@ static void piix_pata_error_handler(struct ata_port *ap)
}
/**
* ich_pata_prereset - prereset for PATA host controller
* @ap: Target port
*
*
* LOCKING:
* None (inherited from caller).
*/
static int ich_pata_prereset(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
return -ENOENT;
ich_pata_cbl_detect(ap);
return ata_std_prereset(ap);
}
static void ich_pata_error_handler(struct ata_port *ap)
{
ata_bmdma_drive_eh(ap, ich_pata_prereset, ata_std_softreset, NULL,
ata_std_postreset);
}
static void piix_sata_error_handler(struct ata_port *ap)
{
ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,