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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5bd51b35c7
of_pci_get_host_bridge_resources() allocates the resource structures it fills dynamically, but none of its callers care to release them so far. Rather than requiring everyone to do this explicitly, convert the existing function to a managed version. Tested-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Acked-by: Joao Pinto <jpinto@synopsys.com> Acked-by: Jingoo Han <jingoohan1@gmail.com> CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __OF_PCI_H
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#define __OF_PCI_H
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#include <linux/pci.h>
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#include <linux/msi.h>
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struct pci_dev;
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struct of_phandle_args;
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struct device_node;
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#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
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struct device_node *of_pci_find_child_device(struct device_node *parent,
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unsigned int devfn);
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int of_pci_get_devfn(struct device_node *np);
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void of_pci_check_probe_only(void);
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int of_pci_map_rid(struct device_node *np, u32 rid,
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const char *map_name, const char *map_mask_name,
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struct device_node **target, u32 *id_out);
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#else
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static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
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unsigned int devfn)
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{
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return NULL;
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}
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static inline int of_pci_get_devfn(struct device_node *np)
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{
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return -EINVAL;
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}
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static inline int of_pci_map_rid(struct device_node *np, u32 rid,
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const char *map_name, const char *map_mask_name,
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struct device_node **target, u32 *id_out)
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{
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return -EINVAL;
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}
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static inline void of_pci_check_probe_only(void) { }
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#endif
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#if IS_ENABLED(CONFIG_OF_IRQ)
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int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
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#else
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static inline int
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of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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return 0;
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}
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#endif
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#endif
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