diff options
| -rw-r--r-- | drivers/pci/devres.c | 29 | ||||
| -rw-r--r-- | drivers/pci/pci.h | 1 |
2 files changed, 18 insertions, 12 deletions
diff --git a/drivers/pci/devres.c b/drivers/pci/devres.c index 31ebda1db1b0..d3c29ec30ad7 100644 --- a/drivers/pci/devres.c +++ b/drivers/pci/devres.c @@ -370,24 +370,34 @@ void __iomem *devm_pci_remap_cfg_resource(struct device *dev, } EXPORT_SYMBOL(devm_pci_remap_cfg_resource); +static void __pcim_clear_mwi(void *pdev_raw) +{ + struct pci_dev *pdev = pdev_raw; + + pci_clear_mwi(pdev); +} + /** * pcim_set_mwi - a device-managed pci_set_mwi() - * @dev: the PCI device for which MWI is enabled + * @pdev: the PCI device for which MWI is enabled * * Managed pci_set_mwi(). * * RETURNS: An appropriate -ERRNO error value on error, or zero for success. */ -int pcim_set_mwi(struct pci_dev *dev) +int pcim_set_mwi(struct pci_dev *pdev) { - struct pci_devres *dr; + int ret; - dr = find_pci_dr(dev); - if (!dr) - return -ENOMEM; + ret = devm_add_action(&pdev->dev, __pcim_clear_mwi, pdev); + if (ret != 0) + return ret; + + ret = pci_set_mwi(pdev); + if (ret != 0) + devm_remove_action(&pdev->dev, __pcim_clear_mwi, pdev); - dr->mwi = 1; - return pci_set_mwi(dev); + return ret; } EXPORT_SYMBOL(pcim_set_mwi); @@ -401,9 +411,6 @@ static void pcim_release(struct device *gendev, void *res) struct pci_dev *dev = to_pci_dev(gendev); struct pci_devres *this = res; - if (this->mwi) - pci_clear_mwi(dev); - if (this->restore_intx) pci_intx(dev, this->orig_intx); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index eb1eb4c7c34a..9a12f6774431 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -823,7 +823,6 @@ static inline pci_power_t mid_pci_get_power_state(struct pci_dev *pdev) struct pci_devres { unsigned int orig_intx:1; unsigned int restore_intx:1; - unsigned int mwi:1; }; struct pci_devres *find_pci_dr(struct pci_dev *pdev); |