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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-13 23:58:39 +0100
committerJohn W. Linville <linville@tuxdriver.com>2012-01-17 09:54:04 -0500
commit5d2031f2395728c765cf2bd7c1ebb6d51c4fe076 (patch)
tree2e6272a408f9054ade79d52a11693652d99e1a68 /drivers/bcma/host_pci.c
parentd32a102819eef99d4d87019266bea208447be0a0 (diff)
downloadlwn-5d2031f2395728c765cf2bd7c1ebb6d51c4fe076.tar.gz
lwn-5d2031f2395728c765cf2bd7c1ebb6d51c4fe076.zip
bcma: convert suspend/resume to pm_ops
.. and avoid doing the unnecessary PCI operations - the PCI layer will do them for us. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/bcma/host_pci.c')
-rw-r--r--drivers/bcma/host_pci.c42
1 files changed, 16 insertions, 26 deletions
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index c1ca9e3ada5c..86dfeea77e1a 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -235,41 +235,32 @@ static void bcma_host_pci_remove(struct pci_dev *dev)
}
#ifdef CONFIG_PM
-static int bcma_host_pci_suspend(struct pci_dev *dev, pm_message_t state)
+static int bcma_host_pci_suspend(struct device *dev)
{
- struct bcma_bus *bus = pci_get_drvdata(dev);
-
- /* Host specific */
- pci_save_state(dev);
- pci_disable_device(dev);
- pci_set_power_state(dev, pci_choose_state(dev, state));
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bcma_bus *bus = pci_get_drvdata(pdev);
bus->mapped_core = NULL;
+
return 0;
}
-static int bcma_host_pci_resume(struct pci_dev *dev)
+static int bcma_host_pci_resume(struct device *dev)
{
- struct bcma_bus *bus = pci_get_drvdata(dev);
- int err;
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bcma_bus *bus = pci_get_drvdata(pdev);
- /* Host specific */
- pci_set_power_state(dev, 0);
- err = pci_enable_device(dev);
- if (err)
- return err;
- pci_restore_state(dev);
+ return bcma_bus_resume(bus);
+}
- /* Bus specific */
- err = bcma_bus_resume(bus);
- if (err)
- return err;
+static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
+ bcma_host_pci_resume);
+#define BCMA_PM_OPS (&bcma_pm_ops)
- return 0;
-}
#else /* CONFIG_PM */
-# define bcma_host_pci_suspend NULL
-# define bcma_host_pci_resume NULL
+
+#define BCMA_PM_OPS NULL
+
#endif /* CONFIG_PM */
static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
@@ -287,8 +278,7 @@ static struct pci_driver bcma_pci_bridge_driver = {
.id_table = bcma_pci_bridge_tbl,
.probe = bcma_host_pci_probe,
.remove = bcma_host_pci_remove,
- .suspend = bcma_host_pci_suspend,
- .resume = bcma_host_pci_resume,
+ .driver.pm = BCMA_PM_OPS,
};
int __init bcma_host_pci_init(void)