From ec04b075843d12b5115267415d0426b48e672136 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 9 Mar 2007 19:45:58 +0900 Subject: iomap: implement pcim_iounmap_regions() Implement pcim_iounmap_regions() - the opposite of pcim_iomap_regions(). Signed-off-by: Tejun heo Signed-off-by: Jeff Garzik --- lib/devres.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'lib/devres.c') diff --git a/lib/devres.c b/lib/devres.c index eb38849aa71..b1d336ce7f3 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -296,5 +296,31 @@ int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name) return rc; } EXPORT_SYMBOL(pcim_iomap_regions); + +/** + * 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 -- cgit v1.2.3