diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2014-08-29 12:41:41 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-09-01 11:29:02 +0100 |
| commit | 35f2d4136477ce2cd684b03e7f1b802963750394 (patch) | |
| tree | 04fcc75573a20d5dc529c514a3507d5355dcddaf | |
| parent | ceb86de9d6dae58b66ae10e7533ff2d3d8c7bbae (diff) | |
spi: dw-pci: convert to use dev_pm_ops
Convert system PM callbacks to use dev_pm_ops. In addition remove the PCI calls
related to a power state since the bus code cares about this already.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/spi/spi-dw-pci.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c index e203d8fc0ce6..9e8d18cac03f 100644 --- a/drivers/spi/spi-dw-pci.c +++ b/drivers/spi/spi-dw-pci.c @@ -93,38 +93,26 @@ static void spi_pci_remove(struct pci_dev *pdev) dw_spi_remove_host(&dwpci->dws); } -#ifdef CONFIG_PM -static int spi_suspend(struct pci_dev *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int spi_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct dw_spi_pci *dwpci = pci_get_drvdata(pdev); - int ret; - ret = dw_spi_suspend_host(&dwpci->dws); - if (ret) - return ret; - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return ret; + return dw_spi_suspend_host(&dwpci->dws); } -static int spi_resume(struct pci_dev *pdev) +static int spi_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct dw_spi_pci *dwpci = pci_get_drvdata(pdev); - int ret; - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - ret = pci_enable_device(pdev); - if (ret) - return ret; return dw_spi_resume_host(&dwpci->dws); } -#else -#define spi_suspend NULL -#define spi_resume NULL #endif +static SIMPLE_DEV_PM_OPS(dw_spi_pm_ops, spi_suspend, spi_resume); + static const struct pci_device_id pci_ids[] = { /* Intel MID platform SPI controller 0 */ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) }, @@ -136,8 +124,9 @@ static struct pci_driver dw_spi_driver = { .id_table = pci_ids, .probe = spi_pci_probe, .remove = spi_pci_remove, - .suspend = spi_suspend, - .resume = spi_resume, + .driver = { + .pm = &dw_spi_pm_ops, + }, }; module_pci_driver(dw_spi_driver); |