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| author |   Randy Dunlap <randy.dunlap@oracle.com> | 2007-07-09 11:55:54 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2007-07-11 16:02:11 -0700 |
| commit | 694625c0b322905d6892fad873029f764cd4823f (patch) | |
| tree | c48ac2c0095f2ac4044bd12b27ea318eb6156c73 /include/linux/pci.h | |
| parent | PCI: pcie: remove SPIN_LOCK_UNLOCKED (diff) | |
| download | linux-dev-694625c0b322905d6892fad873029f764cd4823f.tar.xz linux-dev-694625c0b322905d6892fad873029f764cd4823f.zip | |
PCI: add pci_try_set_mwi
As suggested by Andrew, add pci_try_set_mwi(), which does not require
return-value checking.
- add pci_try_set_mwi() without __must_check
- make it return 0 on success, errno if the "try" failed or error
- review callers
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/pci.h')
| -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 a6657b7f245d..a5602e26f4dd 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -545,6 +545,7 @@ void pci_set_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); +int pci_try_set_mwi(struct pci_dev *dev); void pci_clear_mwi(struct pci_dev *dev); void pci_intx(struct pci_dev *dev, int enable); void pci_msi_off(struct pci_dev *dev); |