PCI: Add pci_free_host_bridge() interface (dff79b91) · Commits · 戴 / test

Commit ("PCI: Export host bridge registration interface") exported the pci_alloc_host_bridge() interface so that PCI host controllers drivers can make use of it. Introduce pci_alloc_host_bridge() kernel counterpart to free the host bridge data structures, pci_free_host_bridge(), export it and update kernel functions releasing host bridge objects allocated memory to make use of it. Signed-off-by:

Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by:

Bjorn Helgaas <bhelgaas@google.com> Cc: Arnd Bergmann <arnd@arndb.de>

drivers/pci/probe.c

+9 −3

Original line number	Diff line number	Diff line
		@@ -517,9 +517,7 @@ static void pci_release_host_bridge_dev(struct device *dev)
		if (bridge->release_fn)
		bridge->release_fn(bridge);

		pci_free_resource_list(&bridge->windows);

		kfree(bridge);
		pci_free_host_bridge(bridge);
		}

		struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
		@@ -537,6 +535,14 @@ struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
		}
		EXPORT_SYMBOL(pci_alloc_host_bridge);

		void pci_free_host_bridge(struct pci_host_bridge *bridge)
		{
		pci_free_resource_list(&bridge->windows);

		kfree(bridge);
		}
		EXPORT_SYMBOL(pci_free_host_bridge);

		static const unsigned char pcix_bus_speed[] = {
		PCI_SPEED_UNKNOWN, /* 0 */
		PCI_SPEED_66MHz_PCIX, /* 1 */

include/linux/pci.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -458,6 +458,7 @@ static inline struct pci_host_bridge pci_host_bridge_from_priv(void priv)
		}

		struct pci_host_bridge *pci_alloc_host_bridge(size_t priv);
		void pci_free_host_bridge(struct pci_host_bridge *bridge);
		int pci_register_host_bridge(struct pci_host_bridge *bridge);
		struct pci_host_bridge pci_find_host_bridge(struct pci_bus bus);

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