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Subject[PATCH] libata: struct pci_dev cleanups

Just checked this into libata-dev.git#upstream...

commit d8904454530561bab51c369fee06e093e0b5a8d4
Author: Jeff Garzik <jeff@garzik.org>
Date: Thu Oct 11 17:12:35 2007 -0400

[libata] struct pci_dev related cleanups

* 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>

drivers/ata/libata-core.c | 2 +-
drivers/ata/libata-eh.c | 1 +
drivers/ata/pata_cs5520.c | 20 +-------------------
include/linux/libata.h | 33 ++++++++++++++-------------------
4 files changed, 17 insertions(+), 39 deletions(-)

d8904454530561bab51c369fee06e093e0b5a8d4
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ce8ccb4..b05384a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -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);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 5a2b2af..2eaa39f 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -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>
diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c
index ff1eb84..33f7f08 100644
--- a/drivers/ata/pata_cs5520.c
+++ b/drivers/ata/pata_cs5520.c
@@ -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,
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2439f1f..229a9ff 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -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) */
-
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