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>

1 files changed, 10 insertions, 45 deletions

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index a2c5756c69b6..55d306a3e538 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	"2.10ac1"
+#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,