diff options
Diffstat (limited to 'drivers/spi/spi-dw-pci.c')
| -rw-r--r-- | drivers/spi/spi-dw-pci.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c index 7ab53f4d04b9..1cddecea2715 100644 --- a/drivers/spi/spi-dw-pci.c +++ b/drivers/spi/spi-dw-pci.c @@ -7,6 +7,7 @@ #include <linux/interrupt.h> #include <linux/pci.h> +#include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/spi/spi.h> #include <linux/module.h> @@ -101,6 +102,11 @@ static int spi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_info(&pdev->dev, "found PCI SPI controller(ID: %04x:%04x)\n", pdev->vendor, pdev->device); + pm_runtime_set_autosuspend_delay(&pdev->dev, 1000); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + pm_runtime_allow(&pdev->dev); + return 0; } @@ -108,6 +114,9 @@ static void spi_pci_remove(struct pci_dev *pdev) { struct dw_spi *dws = pci_get_drvdata(pdev); + pm_runtime_forbid(&pdev->dev); + pm_runtime_get_noresume(&pdev->dev); + dw_spi_remove_host(dws); pci_free_irq_vectors(pdev); } |