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[libata] struct pci_dev related cleanups

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* remove pointless pci_dev_to_dev() wrapper.  Just directly reference
  the embedded struct device like everyone else does.

* pata_cs5520: delete cs5520_remove_one(), it was a duplicate of
  ata_pci_remove_one()

* linux/libata.h: don't bother including linux/pci.h, we don't need it.
  Simply declare 'struct pci_dev' and assume interested parties will
  include the header, as they should be doing anyway.

* linux/libata.h: consolidate all CONFIG_PCI declarations into a
  single location in the header.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jeff Garzik 2007-10-11 17:12:35 -04:00
parent b06ce3e51e
commit 2855568b1e
4 changed files with 17 additions and 39 deletions
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2
drivers/ata/libata-core.c
View File

@ -7007,7 +7007,7 @@ void ata_std_ports(struct ata_ioports *ioaddr)
*/
void ata_pci_remove_one(struct pci_dev *pdev)
{
struct device *dev = pci_dev_to_dev(pdev);
struct device *dev = &pdev->dev;
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);

1
drivers/ata/libata-eh.c
View File

@ -33,6 +33,7 @@
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_eh.h>

20
drivers/ata/pata_cs5520.c
View File

@ -299,24 +299,6 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi
return ata_host_register(host, &cs5520_sht);
}
/**
* cs5520_remove_one - device unload
* @pdev: PCI device being removed
*
* Handle an unplug/unload event for a PCI device. Unload the
* PCI driver but do not use the default handler as we manage
* resources ourself and *MUST NOT* disable the device as it has
* other functions.
*/
static void __devexit cs5520_remove_one(struct pci_dev *pdev)
{
struct device *dev = pci_dev_to_dev(pdev);
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
}
#ifdef CONFIG_PM
/**
* cs5520_reinit_one - device resume
@ -373,7 +355,7 @@ static struct pci_driver cs5520_pci_driver = {
.name = DRV_NAME,
.id_table = pata_cs5520,
.probe = cs5520_init_one,
.remove = cs5520_remove_one,
.remove = ata_pci_remove_one,
#ifdef CONFIG_PM
.suspend = cs5520_pci_device_suspend,
.resume = cs5520_reinit_one,

33
include/linux/libata.h
View File

@ -28,7 +28,6 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <asm/scatterlist.h>
#include <linux/io.h>
@ -107,12 +106,6 @@ static inline u32 ata_msg_init(int dval, int default_msg_enable_bits)
/* defines only for the constants which don't work well as enums */
#define ATA_TAG_POISON 0xfafbfcfdU
/* move to PCI layer? */
static inline struct device *pci_dev_to_dev(struct pci_dev *pdev)
{
return &pdev->dev;
}
enum {
/* various global constants */
LIBATA_MAX_PRD = ATA_MAX_PRD / 2,
@ -766,18 +759,7 @@ extern int sata_std_hardreset(struct ata_link *link, unsigned int *class,
extern void ata_std_postreset(struct ata_link *link, unsigned int *classes);
extern void ata_port_disable(struct ata_port *);
extern void ata_std_ports(struct ata_ioports *ioaddr);
#ifdef CONFIG_PCI
extern int ata_pci_init_one (struct pci_dev *pdev,
const struct ata_port_info * const * ppi);
extern void ata_pci_remove_one (struct pci_dev *pdev);
#ifdef CONFIG_PM
extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg);
extern int __must_check ata_pci_device_do_resume(struct pci_dev *pdev);
extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
extern int ata_pci_device_resume(struct pci_dev *pdev);
#endif
extern int ata_pci_clear_simplex(struct pci_dev *pdev);
#endif /* CONFIG_PCI */
extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports);
extern struct ata_host *ata_host_alloc_pinfo(struct device *dev,
const struct ata_port_info * const * ppi, int n_ports);
@ -935,6 +917,19 @@ static inline int ata_acpi_cbl_80wire(struct ata_port *ap) { return 0; }
#endif
#ifdef CONFIG_PCI
struct pci_dev;
extern int ata_pci_init_one (struct pci_dev *pdev,
const struct ata_port_info * const * ppi);
extern void ata_pci_remove_one (struct pci_dev *pdev);
#ifdef CONFIG_PM
extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg);
extern int __must_check ata_pci_device_do_resume(struct pci_dev *pdev);
extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
extern int ata_pci_device_resume(struct pci_dev *pdev);
#endif
extern int ata_pci_clear_simplex(struct pci_dev *pdev);
struct pci_bits {
unsigned int reg; /* PCI config register to read */
unsigned int width; /* 1 (8 bit), 2 (16 bit), 4 (32 bit) */