Commit 1c5afdf7 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik

libata-sff: separate out BMDMA init

Separate out ata_pci_bmdma_prepare_host() and ata_pci_bmdma_init_one()
from their SFF counterparts.  SFF ones no longer try to initialize
BMDMA or set PCI master.
Signed-off-by: 's avatarTejun Heo <tj@kernel.org>
Signed-off-by: 's avatarJeff Garzik <jgarzik@redhat.com>
parent c3b28894
......@@ -155,7 +155,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id
return rc;
pcim_pin_device(dev);
}
return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, NULL, 0);
}
static struct pci_device_id ata_generic[] = {
......
......@@ -1589,7 +1589,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
hpriv->map = piix_init_sata_map(pdev, port_info,
piix_map_db_table[ent->driver_data]);
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
host->private_data = hpriv;
......
......@@ -2315,13 +2315,13 @@ int ata_pci_sff_init_host(struct ata_host *host)
EXPORT_SYMBOL_GPL(ata_pci_sff_init_host);
/**
* ata_pci_sff_prepare_host - helper to prepare native PCI ATA host
* ata_pci_sff_prepare_host - helper to prepare PCI PIO-only SFF ATA host
* @pdev: target PCI device
* @ppi: array of port_info, must be enough for two ports
* @r_host: out argument for the initialized ATA host
*
* Helper to allocate ATA host for @pdev, acquire all native PCI
* resources and initialize it accordingly in one go.
* Helper to allocate PIO-only SFF ATA host for @pdev, acquire
* all PCI resources and initialize it accordingly in one go.
*
* LOCKING:
* Inherited from calling layer (may sleep).
......@@ -2351,9 +2351,6 @@ int ata_pci_sff_prepare_host(struct pci_dev *pdev,
if (rc)
goto err_out;
/* init DMA related stuff */
ata_pci_bmdma_init(host);
devres_remove_group(&pdev->dev, NULL);
*r_host = host;
return 0;
......@@ -2458,8 +2455,21 @@ out:
}
EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
static const struct ata_port_info *ata_sff_find_valid_pi(
const struct ata_port_info * const *ppi)
{
int i;
/* look up the first valid port_info */
for (i = 0; i < 2 && ppi[i]; i++)
if (ppi[i]->port_ops != &ata_dummy_port_ops)
return ppi[i];
return NULL;
}
/**
* ata_pci_sff_init_one - Initialize/register PCI IDE host controller
* ata_pci_sff_init_one - Initialize/register PIO-only PCI IDE controller
* @pdev: Controller to be initialized
* @ppi: array of port_info, must be enough for two ports
* @sht: scsi_host_template to use when registering the host
......@@ -2468,11 +2478,7 @@ EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host);
*
* This is a helper function which can be called from a driver's
* xxx_init_one() probe function if the hardware uses traditional
* IDE taskfile registers.
*
* This function calls pci_enable_device(), reserves its register
* regions, sets the dma mask, enables bus master mode, and calls
* ata_device_add()
* IDE taskfile registers and is PIO only.
*
* ASSUMPTION:
* Nobody makes a single channel controller that appears solely as
......@@ -2489,20 +2495,13 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
struct scsi_host_template *sht, void *host_priv, int hflag)
{
struct device *dev = &pdev->dev;
const struct ata_port_info *pi = NULL;
const struct ata_port_info *pi;
struct ata_host *host = NULL;
int i, rc;
int rc;
DPRINTK("ENTER\n");
/* look up the first valid port_info */
for (i = 0; i < 2 && ppi[i]; i++) {
if (ppi[i]->port_ops != &ata_dummy_port_ops) {
pi = ppi[i];
break;
}
}
pi = ata_sff_find_valid_pi(ppi);
if (!pi) {
dev_printk(KERN_ERR, &pdev->dev,
"no valid port_info specified\n");
......@@ -2523,8 +2522,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev,
host->private_data = host_priv;
host->flags |= hflag;
pci_set_master(pdev);
rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
out:
if (rc == 0)
devres_remove_group(&pdev->dev, NULL);
......@@ -3196,6 +3194,98 @@ void ata_pci_bmdma_init(struct ata_host *host)
}
EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
/**
* ata_pci_bmdma_prepare_host - helper to prepare PCI BMDMA ATA host
* @pdev: target PCI device
* @ppi: array of port_info, must be enough for two ports
* @r_host: out argument for the initialized ATA host
*
* Helper to allocate BMDMA ATA host for @pdev, acquire all PCI
* resources and initialize it accordingly in one go.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ata_pci_bmdma_prepare_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host)
{
int rc;
rc = ata_pci_sff_prepare_host(pdev, ppi, r_host);
if (rc)
return rc;
ata_pci_bmdma_init(*r_host);
return 0;
}
EXPORT_SYMBOL_GPL(ata_pci_bmdma_prepare_host);
/**
* ata_pci_bmdma_init_one - Initialize/register BMDMA PCI IDE controller
* @pdev: Controller to be initialized
* @ppi: array of port_info, must be enough for two ports
* @sht: scsi_host_template to use when registering the host
* @host_priv: host private_data
* @hflags: host flags
*
* This function is similar to ata_pci_sff_init_one() but also
* takes care of BMDMA initialization.
*
* LOCKING:
* Inherited from PCI layer (may sleep).
*
* RETURNS:
* Zero on success, negative on errno-based value on error.
*/
int ata_pci_bmdma_init_one(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct scsi_host_template *sht, void *host_priv,
int hflags)
{
struct device *dev = &pdev->dev;
const struct ata_port_info *pi;
struct ata_host *host = NULL;
int rc;
DPRINTK("ENTER\n");
pi = ata_sff_find_valid_pi(ppi);
if (!pi) {
dev_printk(KERN_ERR, &pdev->dev,
"no valid port_info specified\n");
return -EINVAL;
}
if (!devres_open_group(dev, NULL, GFP_KERNEL))
return -ENOMEM;
rc = pcim_enable_device(pdev);
if (rc)
goto out;
/* prepare and activate BMDMA host */
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
goto out;
host->private_data = host_priv;
host->flags |= hflags;
pci_set_master(pdev);
rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
out:
if (rc == 0)
devres_remove_group(&pdev->dev, NULL);
else
devres_release_group(&pdev->dev, NULL);
return rc;
}
EXPORT_SYMBOL_GPL(ata_pci_bmdma_init_one);
#endif /* CONFIG_PCI */
/**
......
......@@ -260,7 +260,7 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
return rc;
pcim_pin_device(pdev);
}
return ata_pci_sff_init_one(pdev, ppi, &pacpi_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &pacpi_sht, NULL, 0);
}
static const struct pci_device_id pacpi_pci_tbl[] = {
......
......@@ -583,7 +583,10 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
ppi[0] = &info_20_udma;
}
return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask)
return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
else
return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0);
}
#ifdef CONFIG_PM
......
......@@ -574,7 +574,7 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* And fire it up */
return ata_pci_sff_init_one(pdev, ppi, &amd_sht, hpriv, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &amd_sht, hpriv, 0);
}
#ifdef CONFIG_PM
......
......@@ -421,7 +421,7 @@ static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
BUG_ON(ppi[0] == NULL);
return ata_pci_sff_init_one(pdev, ppi, &artop_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &artop_sht, NULL, 0);
}
static const struct pci_device_id artop_pci_tbl[] = {
......
......@@ -246,8 +246,8 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i]))
ppi[i] = &ata_dummy_port_info;
return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL,
ATA_HOST_PARALLEL_SCAN);
return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL,
ATA_HOST_PARALLEL_SCAN);
}
static const struct pci_device_id atiixp[] = {
......
......@@ -367,7 +367,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
#endif
return ata_pci_sff_init_one(pdev, ppi, &cmd64x_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &cmd64x_sht, NULL, 0);
}
#ifdef CONFIG_PM
......
......@@ -324,7 +324,7 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
ppi[1] = &info_palmax_secondary;
/* Now kick off ATA set up */
return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &cs5530_sht, NULL, 0);
}
#ifdef CONFIG_PM
......
......@@ -198,7 +198,7 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
rdmsr(ATAC_CH0D1_PIO, timings, dummy);
if (CS5535_BAD_PIO(timings))
wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0);
return ata_pci_sff_init_one(dev, ppi, &cs5535_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0);
}
static const struct pci_device_id cs5535[] = {
......
......@@ -260,7 +260,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
return -ENODEV;
}
return ata_pci_sff_init_one(dev, ppi, &cs5536_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &cs5536_sht, NULL, 0);
}
static const struct pci_device_id cs5536[] = {
......
......@@ -138,7 +138,7 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i
if (PCI_FUNC(pdev->devfn) != 1)
return -ENODEV;
return ata_pci_sff_init_one(pdev, ppi, &cy82c693_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &cy82c693_sht, NULL, 0);
}
static const struct pci_device_id cy82c693[] = {
......
......@@ -277,8 +277,8 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &efar_sht, NULL,
ATA_HOST_PARALLEL_SCAN);
return ata_pci_bmdma_init_one(pdev, ppi, &efar_sht, NULL,
ATA_HOST_PARALLEL_SCAN);
}
static const struct pci_device_id efar_pci_tbl[] = {
......
......@@ -361,7 +361,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
break;
}
/* Now kick off ATA set up */
return ata_pci_sff_init_one(dev, ppi, &hpt36x_sht, hpriv, 0);
return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, hpriv, 0);
}
#ifdef CONFIG_PM
......
......@@ -987,7 +987,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
}
/* Now kick off ATA set up */
return ata_pci_sff_init_one(dev, ppi, &hpt37x_sht, private_data, 0);
return ata_pci_bmdma_init_one(dev, ppi, &hpt37x_sht, private_data, 0);
}
static const struct pci_device_id hpt37x[] = {
......
......@@ -548,7 +548,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c);
/* Now kick off ATA set up */
return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0);
return ata_pci_bmdma_init_one(dev, ppi, &hpt3x2n_sht, hpriv, 0);
}
static const struct pci_device_id hpt3x2n[] = {
......
......@@ -273,7 +273,7 @@ static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *en
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &it8213_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &it8213_sht, NULL, 0);
}
static const struct pci_device_id it8213_pci_tbl[] = {
......
......@@ -933,7 +933,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
else
ppi[0] = &info_smart;
}
return ata_pci_sff_init_one(pdev, ppi, &it821x_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &it821x_sht, NULL, 0);
}
#ifdef CONFIG_PM
......
......@@ -144,7 +144,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
};
const struct ata_port_info *ppi[] = { &info, NULL };
return ata_pci_sff_init_one(pdev, ppi, &jmicron_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &jmicron_sht, NULL, 0);
}
static const struct pci_device_id jmicron_pci_tbl[] = {
......
......@@ -153,7 +153,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i
return -ENODEV;
}
#endif
return ata_pci_sff_init_one(pdev, ppi, &marvell_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &marvell_sht, NULL, 0);
}
static const struct pci_device_id marvell_pci_tbl[] = {
......
......@@ -82,7 +82,7 @@ static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *e
ata_pci_bmdma_clear_simplex(pdev);
/* And let the library code do the work */
return ata_pci_sff_init_one(pdev, port_info, &netcell_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
}
static const struct pci_device_id netcell_pci_tbl[] = {
......
......@@ -380,7 +380,7 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e
ns87415_fixup(pdev);
return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &ns87415_sht, NULL, 0);
}
static const struct pci_device_id ns87415_pci_tbl[] = {
......
......@@ -248,7 +248,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &oldpiix_sht, NULL, 0);
}
static const struct pci_device_id oldpiix_pci_tbl[] = {
......
......@@ -429,7 +429,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if (optiplus_with_udma(dev))
ppi[0] = &info_82c700_udma;
return ata_pci_sff_init_one(dev, ppi, &optidma_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &optidma_sht, NULL, 0);
}
static const struct pci_device_id optidma[] = {
......
......@@ -337,7 +337,7 @@ static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id
return -ENODEV;
}
}
return ata_pci_sff_init_one(dev, ppi, &pdc202xx_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &pdc202xx_sht, NULL, 0);
}
static const struct pci_device_id pdc202xx[] = {
......
......@@ -95,7 +95,7 @@ static int ata_tosh_init_one(struct pci_dev *dev, const struct pci_device_id *id
};
const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
/* Just one port for the moment */
return ata_pci_sff_init_one(dev, ppi, &tosh_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &tosh_sht, NULL, 0);
}
static struct pci_device_id ata_tosh[] = {
......
......@@ -227,7 +227,7 @@ static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *e
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &radisys_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &radisys_sht, NULL, 0);
}
static const struct pci_device_id radisys_pci_tbl[] = {
......
......@@ -344,7 +344,7 @@ static int __devinit rdc_init_one(struct pci_dev *pdev,
*/
pci_read_config_dword(pdev, 0x54, &hpriv->saved_iocfg);
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
host->private_data = hpriv;
......
......@@ -237,7 +237,7 @@ static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
};
const struct ata_port_info *ppi[] = { &info, NULL };
return ata_pci_sff_init_one(dev, ppi, &sc1200_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &sc1200_sht, NULL, 0);
}
static const struct pci_device_id sc1200[] = {
......
......@@ -179,7 +179,7 @@ static int __devinit sch_init_one(struct pci_dev *pdev,
dev_printk(KERN_DEBUG, &pdev->dev,
"version " DRV_VERSION "\n");
return ata_pci_sff_init_one(pdev, ppi, &sch_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &sch_sht, NULL, 0);
}
static int __init sch_init(void)
......
......@@ -460,7 +460,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
ata_pci_bmdma_clear_simplex(pdev);
return ata_pci_sff_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
}
#ifdef CONFIG_PM
......
......@@ -378,7 +378,7 @@ static int __devinit sil680_init_one(struct pci_dev *pdev,
IRQF_SHARED, &sil680_sht);
use_ioports:
return ata_pci_sff_init_one(pdev, ppi, &sil680_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &sil680_sht, NULL, 0);
}
#ifdef CONFIG_PM
......
......@@ -826,7 +826,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
sis_fixup(pdev, chipset);
return ata_pci_sff_init_one(pdev, ppi, &sis_sht, chipset, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &sis_sht, chipset, 0);
}
#ifdef CONFIG_PM
......
......@@ -316,7 +316,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16;
pci_write_config_dword(dev, 0x40, val);
return ata_pci_sff_init_one(dev, ppi, &sl82c105_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &sl82c105_sht, NULL, 0);
}
static const struct pci_device_id sl82c105[] = {
......
......@@ -201,7 +201,7 @@ static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if (!printed_version++)
dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n");
return ata_pci_sff_init_one(dev, ppi, &triflex_sht, NULL, 0);
return ata_pci_bmdma_init_one(dev, ppi, &triflex_sht, NULL, 0);
}
static const struct pci_device_id triflex[] = {
......
......@@ -627,7 +627,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* We have established the device type, now fire it up */
return ata_pci_sff_init_one(pdev, ppi, &via_sht, (void *)config, 0);
return ata_pci_bmdma_init_one(pdev, ppi, &via_sht, (void *)config, 0);
}
#ifdef CONFIG_PM
......
......@@ -2430,7 +2430,7 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
ppi[0] = &nv_port_info[type];
ipriv = ppi[0]->private_data;
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
......
......@@ -279,7 +279,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
......
......@@ -463,7 +463,7 @@ static int vt6420_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
struct ata_host *host;
int rc;
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
*r_host = host;
......@@ -520,7 +520,7 @@ static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
struct ata_host *host;
int i, rc;
rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
*r_host = host;
......
......@@ -1644,6 +1644,13 @@ extern int ata_bmdma_port_start32(struct ata_port *ap);
#ifdef CONFIG_PCI
extern int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev);
extern void ata_pci_bmdma_init(struct ata_host *host);
extern int ata_pci_bmdma_prepare_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct ata_host **r_host);
extern int ata_pci_bmdma_init_one(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
struct scsi_host_template *sht,
void *host_priv, int hflags);
#endif /* CONFIG_PCI */
/**
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment