xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

PCI: Add BAR index argument to pci_mmap_page_range()

Browse Source 
In all cases we know which BAR it is.  Passing it in means that arch code
(or generic code; watch this space) won't have to go looking for it again.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
David Woodhouse
2017-04-12 13:25:58 +01:00
committed by Bjorn Helgaas
parent dca40b186b
commit f66e225828
16 changed files with 30 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/pci.h
View File

@@ -1630,7 +1630,8 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
* Architectures provide this function if they set HAVE_PCI_MMAP, and
* it accepts the 'write_combine' argument when arch_can_pci_mmap_wc()
* evaluates to nonzero. */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
int pci_mmap_page_range(struct pci_dev *pdev, int bar,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#ifndef arch_can_pci_mmap_wc