diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-12-23 06:08:29 +0300 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-01-07 22:13:23 +0300 |
| commit | 6a479079c07211bf348ac8a79754f26bea258f26 (patch) | |
| tree | 1587c0ed9446c7d0d6ab8a38d1524132e2faae35 /include | |
| parent | b8d9cb2a2226118fd71f657c80b06b670a653022 (diff) | |
| download | linux-6a479079c07211bf348ac8a79754f26bea258f26.tar.xz | |
PCI: Add pci_clear_master() as opposite of pci_set_master()
During an online device reset it may be useful to disable bus-mastering.
pci_disable_device() does that, and far more besides, so is not suitable
for an online reset.
Add pci_clear_master() which does just this.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 7cbecef19bb6..0f6d2bb1df9c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -642,6 +642,7 @@ static inline int pci_is_managed(struct pci_dev *pdev) void pci_disable_device(struct pci_dev *dev); void pci_set_master(struct pci_dev *dev); +void pci_clear_master(struct pci_dev *dev); int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state); #define HAVE_PCI_SET_MWI int __must_check pci_set_mwi(struct pci_dev *dev); |