X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=lib%2Fdevres.c;h=72c8909006da156a41c4a70a1de2562198b45103;hb=9537a48ed4b9e4b738943d6da0a0fd4278adf905;hp=eb38849aa71702445e7e8e42744ad384fe512f48;hpb=fb4d64e78ceab77cf20f7796f74aa10ebe862032;p=safe%2Fjmp%2Flinux-2.6 diff --git a/lib/devres.c b/lib/devres.c index eb38849..72c8909 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -2,7 +2,7 @@ #include #include -static void devm_ioremap_release(struct device *dev, void *res) +void devm_ioremap_release(struct device *dev, void *res) { iounmap(*(void __iomem **)res); } @@ -20,7 +20,7 @@ static int devm_ioremap_match(struct device *dev, void *res, void *match_data) * * Managed ioremap(). Map is automatically unmapped on driver detach. */ -void __iomem *devm_ioremap(struct device *dev, unsigned long offset, +void __iomem *devm_ioremap(struct device *dev, resource_size_t offset, unsigned long size) { void __iomem **ptr, *addr; @@ -49,7 +49,7 @@ EXPORT_SYMBOL(devm_ioremap); * Managed ioremap_nocache(). Map is automatically unmapped on driver * detach. */ -void __iomem *devm_ioremap_nocache(struct device *dev, unsigned long offset, +void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset, unsigned long size) { void __iomem **ptr, *addr; @@ -296,5 +296,56 @@ int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name) return rc; } EXPORT_SYMBOL(pcim_iomap_regions); + +/** + * pcim_iomap_regions_request_all - Request all BARs and iomap specified ones + * @pdev: PCI device to map IO resources for + * @mask: Mask of BARs to iomap + * @name: Name used when requesting regions + * + * Request all PCI BARs and iomap regions specified by @mask. + */ +int pcim_iomap_regions_request_all(struct pci_dev *pdev, u16 mask, + const char *name) +{ + int request_mask = ((1 << 6) - 1) & ~mask; + int rc; + + rc = pci_request_selected_regions(pdev, request_mask, name); + if (rc) + return rc; + + rc = pcim_iomap_regions(pdev, mask, name); + if (rc) + pci_release_selected_regions(pdev, request_mask); + return rc; +} +EXPORT_SYMBOL(pcim_iomap_regions_request_all); + +/** + * pcim_iounmap_regions - Unmap and release PCI BARs + * @pdev: PCI device to map IO resources for + * @mask: Mask of BARs to unmap and release + * + * Unamp and release regions specified by @mask. + */ +void pcim_iounmap_regions(struct pci_dev *pdev, u16 mask) +{ + void __iomem * const *iomap; + int i; + + iomap = pcim_iomap_table(pdev); + if (!iomap) + return; + + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (!(mask & (1 << i))) + continue; + + pcim_iounmap(pdev, iomap[i]); + pci_release_region(pdev, i); + } +} +EXPORT_SYMBOL(pcim_iounmap_regions); #endif #endif