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ide: add proper PCI PM support (v2)

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* Keep pointer to ->init_chipset method also in
  struct ide_host and set it in ide_host_alloc_all().

* Add ide_pci_suspend() and ide_pci_resume() helpers
  (default ->suspend and ->resume implementations).

* ->init_chipset can no longer be marked __devinit.

* Add proper PCI PM support to IDE PCI host drivers
  (rz1000.c and tc86c001.c are skipped for now since
  they need to be converted from using ->init_hwif
  to use ->init_chipset instead).

v2:
* Cleanup CONFIG_PM #ifdef-s per akpm's suggestion.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-10-10 22:39:32 +02:00
parent 1785192b53
commit feb22b7f8e
30 changed files with 130 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/linux/ide.h
View file

@ -17,6 +17,7 @@
#include <linux/device.h>
#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/pm.h>
#ifdef CONFIG_BLK_DEV_IDEACPI
#include <acpi/acpi.h>
#endif
@ -639,6 +640,7 @@ struct ide_host {
ide_hwif_t *ports[MAX_HWIFS];
unsigned int n_ports;
struct device *dev[2];
unsigned int (*init_chipset)(struct pci_dev *);
unsigned long host_flags;
void *host_priv;
};
@ -1264,6 +1266,14 @@ int ide_pci_init_two(struct pci_dev *, struct pci_dev *,
const struct ide_port_info *, void *);
void ide_pci_remove(struct pci_dev *);
#ifdef CONFIG_PM
int ide_pci_suspend(struct pci_dev *, pm_message_t);
int ide_pci_resume(struct pci_dev *);
#else
#define ide_pci_suspend NULL
#define ide_pci_resume NULL
#endif
void ide_map_sg(ide_drive_t *, struct request *);
void ide_init_sg_cmd(ide_drive_t *, struct request *);