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[SCSI] libsas: Remove PCI dependencies

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Eliminate unnecessary PCI dependencies in libsas.  It should use generic
DMA and struct device like other subsystems.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Jeff Garzik 2007-07-26 09:28:37 -04:00 committed by James Bottomley
parent fd3adb2ae8
commit 1d1bbee61e
5 changed files with 19 additions and 22 deletions
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4
drivers/scsi/aic94xx/aic94xx_init.c
View File

@ -586,7 +586,7 @@ static int __devinit asd_pci_probe(struct pci_dev *dev,
goto Err;
}
asd_ha->pcidev = dev;
asd_ha->sas_ha.pcidev = asd_ha->pcidev;
asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
asd_ha->sas_ha.lldd_ha = asd_ha;
asd_ha->name = asd_dev->name;
@ -605,8 +605,6 @@ static int __devinit asd_pci_probe(struct pci_dev *dev,
goto Err_free;
}
err = asd_dev->setup(asd_ha);
if (err)
goto Err_free;

30
drivers/scsi/libsas/sas_ata.c
View File

@ -382,7 +382,7 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev,
struct ata_port *ap;
ata_host_init(&found_dev->sata_dev.ata_host,
&ha->pcidev->dev,
ha->dev,
sata_port_info.flags,
&sas_sata_ops);
ap = ata_sas_port_alloc(&found_dev->sata_dev.ata_host,
@ -448,10 +448,10 @@ static void sas_disc_task_done(struct sas_task *task)
* @task: the task to be executed
* @buffer: pointer to buffer to do I/O
* @size: size of @buffer
* @pci_dma_dir: PCI_DMA_...
* @dma_dir: DMA direction. DMA_xxx
*/
static int sas_execute_task(struct sas_task *task, void *buffer, int size,
int pci_dma_dir)
enum dma_data_direction dma_dir)
{
int res = 0;
struct scatterlist *scatter = NULL;
@ -461,7 +461,7 @@ static int sas_execute_task(struct sas_task *task, void *buffer, int size,
struct sas_internal *i =
to_sas_internal(task->dev->port->ha->core.shost->transportt);
if (pci_dma_dir != PCI_DMA_NONE) {
if (dma_dir != DMA_NONE) {
scatter = kzalloc(sizeof(*scatter), GFP_KERNEL);
if (!scatter)
goto out;
@ -474,11 +474,11 @@ static int sas_execute_task(struct sas_task *task, void *buffer, int size,
task->scatter = scatter;
task->num_scatter = num_scatter;
task->total_xfer_len = size;
task->data_dir = pci_dma_dir;
task->data_dir = dma_dir;
task->task_done = sas_disc_task_done;
if (pci_dma_dir != PCI_DMA_NONE &&
if (dma_dir != DMA_NONE &&
sas_protocol_ata(task->task_proto)) {
task->num_scatter = pci_map_sg(task->dev->port->ha->pcidev,
task->num_scatter = dma_map_sg(task->dev->port->ha->dev,
task->scatter,
task->num_scatter,
task->data_dir);
@ -565,9 +565,9 @@ static int sas_execute_task(struct sas_task *task, void *buffer, int size,
}
}
ex_err:
if (pci_dma_dir != PCI_DMA_NONE) {
if (dma_dir != DMA_NONE) {
if (sas_protocol_ata(task->task_proto))
pci_unmap_sg(task->dev->port->ha->pcidev,
dma_unmap_sg(task->dev->port->ha->dev,
task->scatter, task->num_scatter,
task->data_dir);
kfree(scatter);
@ -628,11 +628,11 @@ static void sas_get_ata_command_set(struct domain_device *dev)
* @features: the features register
* @buffer: pointer to buffer to do I/O
* @size: size of @buffer
* @pci_dma_dir: PCI_DMA_...
* @dma_dir: DMA direction. DMA_xxx
*/
static int sas_issue_ata_cmd(struct domain_device *dev, u8 command,
u8 features, void *buffer, int size,
int pci_dma_dir)
enum dma_data_direction dma_dir)
{
int res = 0;
struct sas_task *task;
@ -652,7 +652,7 @@ static int sas_issue_ata_cmd(struct domain_device *dev, u8 command,
task->ata_task.fis.device = d2h_fis->device;
task->ata_task.retry_count = 1;
res = sas_execute_task(task, buffer, size, pci_dma_dir);
res = sas_execute_task(task, buffer, size, dma_dir);
sas_free_task(task);
out:
@ -707,7 +707,7 @@ static int sas_discover_sata_dev(struct domain_device *dev)
}
res = sas_issue_ata_cmd(dev, command, 0, identify_x, 512,
PCI_DMA_FROMDEVICE);
DMA_FROM_DEVICE);
if (res)
goto out_err;
@ -720,13 +720,13 @@ static int sas_discover_sata_dev(struct domain_device *dev)
goto cont1;
res = sas_issue_ata_cmd(dev, ATA_SET_FEATURES,
ATA_FEATURE_PUP_STBY_SPIN_UP,
NULL, 0, PCI_DMA_NONE);
NULL, 0, DMA_NONE);
if (res)
goto cont1;
schedule_timeout_interruptible(5*HZ); /* More time? */
res = sas_issue_ata_cmd(dev, command, 0, identify_x, 512,
PCI_DMA_FROMDEVICE);
DMA_FROM_DEVICE);
if (res)
goto out_err;
}

3
drivers/scsi/libsas/sas_discover.c
View File

@ -22,7 +22,6 @@
*
*/
#include <linux/pci.h>
#include <linux/scatterlist.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_eh.h>
@ -170,7 +169,7 @@ int sas_notify_lldd_dev_found(struct domain_device *dev)
if (res) {
printk("sas: driver on pcidev %s cannot handle "
"device %llx, error:%d\n",
pci_name(sas_ha->pcidev),
sas_ha->dev->bus_id,
SAS_ADDR(dev->sas_addr), res);
}
}

2
drivers/scsi/libsas/sas_dump.c
View File

@ -56,7 +56,7 @@ void sas_dprint_phye(int phyid, enum phy_event pe)
void sas_dprint_hae(struct sas_ha_struct *sas_ha, enum ha_event he)
{
SAS_DPRINTK("ha %s: %s event\n", pci_name(sas_ha->pcidev),
SAS_DPRINTK("ha %s: %s event\n", sas_ha->dev->bus_id,
sas_hae_str[he]);
}

2
include/scsi/libsas.h
View File

@ -348,7 +348,7 @@ struct sas_ha_struct {
/* public: */
char *sas_ha_name;
struct pci_dev *pcidev; /* should be set */
struct device *dev; /* should be set */
struct module *lldd_module; /* should be set */
u8 *sas_addr; /* must be set */