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| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-10-04 02:16:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 07:55:27 -0700 |
| commit | dd159eeca971d594fa30176733b66d37acda82a3 (patch) | |
| tree | e972734436cb13a2d8a452779882f001162fe6ae /drivers/pci/msi.h | |
| parent | 7bd007e480672c99d8656c7b7b12ef0549432c37 (diff) | |
| download | op-kernel-dev-dd159eeca971d594fa30176733b66d37acda82a3.zip op-kernel-dev-dd159eeca971d594fa30176733b66d37acda82a3.tar.gz | |
[PATCH] genirq: msi: make the msi boolean tests return either 0 or 1
This allows the output of the msi tests to be stored directly in a bit field.
If you don't do this a value greater than one will be truncated and become 0.
Changing true to false with bizare consequences.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rajesh Shah <rajesh.shah@intel.com>
Cc: Andi Kleen <ak@muc.de>
Cc: "Protasevich, Natalie" <Natalie.Protasevich@UNISYS.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/pci/msi.h')
| -rw-r--r-- | drivers/pci/msi.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h index 56951c3..9b31d4c 100644 --- a/drivers/pci/msi.h +++ b/drivers/pci/msi.h @@ -110,8 +110,8 @@ extern int pci_vector_resources(int last, int nr_released); (1 << ((control & PCI_MSI_FLAGS_QMASK) >> 1)) #define multi_msi_enable(control, num) \ control |= (((num >> 1) << 4) & PCI_MSI_FLAGS_QSIZE); -#define is_64bit_address(control) (control & PCI_MSI_FLAGS_64BIT) -#define is_mask_bit_support(control) (control & PCI_MSI_FLAGS_MASKBIT) +#define is_64bit_address(control) (!!(control & PCI_MSI_FLAGS_64BIT)) +#define is_mask_bit_support(control) (!!(control & PCI_MSI_FLAGS_MASKBIT)) #define msi_enable(control, num) multi_msi_enable(control, num); \ control |= PCI_MSI_FLAGS_ENABLE |
