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>
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index d8e7988..92a491d 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -33,35 +33,6 @@
*/
/**
- * generic_pre_reset - probe begin
- * @ap: ATA port
- *
- * Set up cable type and use generic probe init
- */
-
-static int generic_pre_reset(struct ata_port *ap)
-{
- ap->cbl = ATA_CBL_PATA80;
- return ata_std_prereset(ap);
-}
-
-
-/**
- * generic_error_handler - Probe specified port on PATA host controller
- * @ap: Port to probe
- * @classes:
- *
- * LOCKING:
- * None (inherited from caller).
- */
-
-
-static void generic_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, generic_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-/**
* generic_set_mode - mode setting
* @ap: interface to set up
* @unused: returned device on error
@@ -144,8 +115,9 @@
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = generic_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_unknown,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index a2c5756..55d306a 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 @@
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 @@
.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 @@
.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 @@
};
/**
- * 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 @@
* 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 @@
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 @@
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 @@
}
-/**
- * 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,
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index 1838176..5a77e4e 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -25,7 +25,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_amd"
-#define DRV_VERSION "0.2.8"
+#define DRV_VERSION "0.3.8"
/**
* timing_setup - shared timing computation and load
@@ -119,32 +119,25 @@
}
/**
- * amd_probe_init - cable detection
+ * amd_probe_init - perform reset handling
* @ap: ATA port
*
- * Perform cable detection. The BIOS stores this in PCI config
- * space for us.
+ * Reset sequence checking enable bits to see which ports are
+ * active.
*/
static int amd_pre_reset(struct ata_port *ap)
{
- static const u32 bitmask[2] = {0x03, 0x0C};
static const struct pci_bits amd_enable_bits[] = {
{ 0x40, 1, 0x02, 0x02 },
{ 0x40, 1, 0x01, 0x01 }
};
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u8 ata66;
if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
return -ENOENT;
- pci_read_config_byte(pdev, 0x42, &ata66);
- if (ata66 & bitmask[ap->port_no])
- ap->cbl = ATA_CBL_PATA80;
- else
- ap->cbl = ATA_CBL_PATA40;
return ata_std_prereset(ap);
}
@@ -156,28 +149,16 @@
ata_std_postreset);
}
-static int amd_early_pre_reset(struct ata_port *ap)
+static int amd_cable_detect(struct ata_port *ap)
{
+ static const u32 bitmask[2] = {0x03, 0x0C};
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- static struct pci_bits amd_enable_bits[] = {
- { 0x40, 1, 0x02, 0x02 },
- { 0x40, 1, 0x01, 0x01 }
- };
+ u8 ata66;
- if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
- return -ENOENT;
-
- /* No host side cable detection */
- ap->cbl = ATA_CBL_PATA80;
- return ata_std_prereset(ap);
-
-}
-
-static void amd_early_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, amd_early_pre_reset,
- ata_std_softreset, NULL,
- ata_std_postreset);
+ pci_read_config_byte(pdev, 0x42, &ata66);
+ if (ata66 & bitmask[ap->port_no])
+ return ATA_CBL_PATA80;
+ return ATA_CBL_PATA40;
}
/**
@@ -247,31 +228,16 @@
*/
static int nv_pre_reset(struct ata_port *ap) {
- static const u8 bitmask[2] = {0x03, 0x0C};
static const struct pci_bits nv_enable_bits[] = {
{ 0x50, 1, 0x02, 0x02 },
{ 0x50, 1, 0x01, 0x01 }
};
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u8 ata66;
- u16 udma;
if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
return -ENOENT;
- pci_read_config_byte(pdev, 0x52, &ata66);
- if (ata66 & bitmask[ap->port_no])
- ap->cbl = ATA_CBL_PATA80;
- else
- ap->cbl = ATA_CBL_PATA40;
-
- /* We now have to double check because the Nvidia boxes BIOS
- doesn't always set the cable bits but does set mode bits */
-
- pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
- if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
- ap->cbl = ATA_CBL_PATA80;
return ata_std_prereset(ap);
}
@@ -281,6 +247,29 @@
ata_std_softreset, NULL,
ata_std_postreset);
}
+
+static int nv_cable_detect(struct ata_port *ap)
+{
+ static const u8 bitmask[2] = {0x03, 0x0C};
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ u8 ata66;
+ u16 udma;
+ int cbl;
+
+ pci_read_config_byte(pdev, 0x52, &ata66);
+ if (ata66 & bitmask[ap->port_no])
+ cbl = ATA_CBL_PATA80;
+ else
+ cbl = ATA_CBL_PATA40;
+
+ /* We now have to double check because the Nvidia boxes BIOS
+ doesn't always set the cable bits but does set mode bits */
+ pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
+ if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
+ cbl = ATA_CBL_PATA80;
+ return cbl;
+}
+
/**
* nv100_set_piomode - set initial PIO mode data
* @ap: ATA interface
@@ -353,8 +342,9 @@
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = amd_early_error_handler,
+ .error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -387,8 +377,9 @@
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = amd_early_error_handler,
+ .error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_unknown,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -423,6 +414,7 @@
.thaw = ata_bmdma_thaw,
.error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_unknown,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -457,6 +449,7 @@
.thaw = ata_bmdma_thaw,
.error_handler = amd_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = amd_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -491,6 +484,7 @@
.thaw = ata_bmdma_thaw,
.error_handler = nv_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = nv_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -525,6 +519,7 @@
.thaw = ata_bmdma_thaw,
.error_handler = nv_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = nv_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -644,6 +639,11 @@
if (type == 1 && rev > 0x7)
type = 2;
+#if defined(CONFIG_ATA_ACPI)
+ /* Prefer the ACPI driver for Nvidia hardware */
+ if (pdev->vendor == PCI_VENDOR_ID_NVIDIA && ata_pata_acpi_present(pdev))
+ return -ENODEV;
+#endif
/* Check for AMD7411 */
if (type == 3)
/* FIFO is broken */
diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c
index 1572e5c..08cccc9 100644
--- a/drivers/ata/pata_cs5535.c
+++ b/drivers/ata/pata_cs5535.c
@@ -70,36 +70,23 @@
#define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 )
/**
- * cs5535_pre_reset - detect cable type
+ * cs5535_cable_detect - detect cable type
* @ap: Port to detect on
*
* Perform cable detection for ATA66 capable cable. Return a libata
* cable type.
*/
-static int cs5535_pre_reset(struct ata_port *ap)
+static int cs5535_cable_detect(struct ata_port *ap)
{
u8 cable;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
pci_read_config_byte(pdev, CS5535_CABLE_DETECT, &cable);
if (cable & 1)
- ap->cbl = ATA_CBL_PATA80;
+ return ATA_CBL_PATA80;
else
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-/**
- * cs5535_error_handler - reset/probe
- * @ap: Port to reset
- *
- * Reset and configure a port
- */
-
-static void cs5535_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, cs5535_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+ return ATA_CBL_PATA40;
}
/**
@@ -205,8 +192,9 @@
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = cs5535_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = cs5535_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c
index f69dde5..6ec049c 100644
--- a/drivers/ata/pata_cypress.c
+++ b/drivers/ata/pata_cypress.c
@@ -41,17 +41,6 @@
CY82_INDEX_TIMEOUT = 0x32
};
-static int cy82c693_pre_reset(struct ata_port *ap)
-{
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
-}
-
-static void cy82c693_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, cy82c693_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
/**
* cy82c693_set_piomode - set initial PIO mode data
* @ap: ATA interface
@@ -156,8 +145,9 @@
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = cy82c693_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index c3e5ea3..93cfa6d 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -169,7 +169,6 @@
/**
* hpt366_filter - mode selection filter
- * @ap: ATA interface
* @adev: ATA device
*
* Block UDMA on devices that cause trouble with this controller.
