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Commit 44b9ca47 authored Jun 05, 2013 by Sebastian Ott Committed by Martin Schwidefsky Jun 26, 2013

pci: add pcibios_release_device



Platforms may want to provide architecture-specific functionality when
a pci device is released. Add a pcibios_release_device() call that
architectures can override to do so.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 24d5dd02

drivers/pci/pci.c

+10 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1334,6 +1334,16 @@ int __weak pcibios_add_device (struct pci_dev *dev)
	return 0;		return 0;
	}		}

			/**
			* pcibios_release_device - provide arch specific hooks when releasing device dev
			* @dev: the PCI device being released
			*
			* Permits the platform to provide architecture specific functionality when
			* devices are released. This is the default implementation. Architecture
			* implementations can override this.
			*/
			void __weak pcibios_release_device(struct pci_dev *dev) {}

	/**		/**
	* pcibios_disable_device - disable arch specific PCI resources for device dev		* pcibios_disable_device - disable arch specific PCI resources for device dev
	* @dev: the PCI device to disable		* @dev: the PCI device to disable

drivers/pci/probe.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1132,6 +1132,7 @@ static void pci_release_dev(struct device *dev)
	pci_dev = to_pci_dev(dev);		pci_dev = to_pci_dev(dev);
	pci_release_capabilities(pci_dev);		pci_release_capabilities(pci_dev);
	pci_release_of_node(pci_dev);		pci_release_of_node(pci_dev);
			pcibios_release_device(pci_dev);
	kfree(pci_dev);		kfree(pci_dev);
	}		}

include/linux/pci.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1643,6 +1643,7 @@ void pcibios_set_master(struct pci_dev *dev);
	int pcibios_set_pcie_reset_state(struct pci_dev *dev,		int pcibios_set_pcie_reset_state(struct pci_dev *dev,
	enum pcie_reset_state state);		enum pcie_reset_state state);
	int pcibios_add_device(struct pci_dev *dev);		int pcibios_add_device(struct pci_dev *dev);
			void pcibios_release_device(struct pci_dev *dev);

	#ifdef CONFIG_PCI_MMCONFIG		#ifdef CONFIG_PCI_MMCONFIG
	void __init pci_mmcfg_early_init(void);		void __init pci_mmcfg_early_init(void);