ide: add proper PCI PM support (v2)

* 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>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index ab6c217f104e..a194022b6a61 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -943,7 +943,7 @@ static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq)
  *      Perform a calibration cycle on the DPLL.
  *      Returns 1 if this succeeds
  */
-static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high)
+static int hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high)
 {
         u32 dpll = (f_high << 16) | f_low | 0x100;
         u8  scr2;
@@ -971,7 +971,7 @@ static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f
         return 1;
 }
 
-static void __devinit hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr)
+static void hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr)
 {
         struct ide_host *host   = pci_get_drvdata(dev);
         struct hpt_info *info   = host->host_priv + (&dev->dev == host->dev[1]);
@@ -1001,7 +1001,7 @@ static void __devinit hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr)
                 pci_write_config_byte(dev, mcr_addr + 1, new_mcr);
 }
 
-static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev)
+static unsigned int init_chipset_hpt366(struct pci_dev *dev)
 {
         unsigned long io_base   = pci_resource_start(dev, 4);
         struct hpt_info *info   = hpt3xx_get_info(&dev->dev);
@@ -1627,6 +1627,8 @@ static struct pci_driver driver = {
         .id_table       = hpt366_pci_tbl,
         .probe          = hpt366_init_one,
         .remove         = __devexit_p(hpt366_remove),
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
 };
 
 static int __init hpt366_ide_init(void)