The patch titled
devres: implement pcim_iomap_regions_request_all()
has been added to the -mm tree. Its filename is
devres-implement-pcim_iomap_regions_request_all.patch
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------------------------------------------------------
Subject: devres: implement pcim_iomap_regions_request_all()
From: Tejun Heo <htejun@xxxxxxxxx>
Some drivers need to reserve all PCI BARs to prevent other drivers misusing
unoccupied BARs. pcim_iomap_regions_request_all() requests all BARs and iomap
specified BARs.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/devres.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff -puN lib/devres.c~devres-implement-pcim_iomap_regions_request_all lib/devres.c
--- a/lib/devres.c~devres-implement-pcim_iomap_regions_request_all
+++ a/lib/devres.c
@@ -298,6 +298,31 @@ int pcim_iomap_regions(struct pci_dev *p
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
_
Patches currently in -mm which might be from htejun@xxxxxxxxx are
origin.patch
devres-implement-pcim_iomap_regions_request_all.patch
ahci-request-all-pci-bars.patch
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