tree c48ac2c0095f2ac4044bd12b27ea318eb6156c73
parent f5609d7e679db3f29433f56e1f2e397a2f815288
author Randy Dunlap <randy.dunlap@oracle.com> 1184007354 -0700
committer Greg Kroah-Hartman <gregkh@suse.de> 1184194931 -0700

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>