linux-kernel - [PATCH v4 02/16] PCI: define pci_dev

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Date:	Thu, 22 May 2014 17:07:36 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	linux-pci@...r.kernel.org, iommu@...ts.linux-foundation.org
Cc:	bhelgaas@...gle.com, acooks@...il.com,
	linux-kernel@...r.kernel.org, eddy0596@...il.com, linux@...izon.com
Subject: [PATCH v4 02/16] PCI: define pci_dev_flags as bit shifts

We're only a few entries away from where using the decimal value
becomes cumbersome.

Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
---
 include/linux/pci.h |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 14b074b..545903d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -164,13 +164,13 @@ enum pci_dev_flags {
 	/* INTX_DISABLE in PCI_COMMAND register disables MSI
 	 * generation too.
 	 */
-	PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1,
+	PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) (1 << 0),
 	/* Device configuration is irrevocably lost if disabled into D3 */
-	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
+	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) (1 << 1),
 	/* Provide indication device is assigned by a Virtual Machine Manager */
-	PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4,
+	PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) (1 << 2),
 	/* Flag for quirk use to store if quirk-specific ACS is enabled */
-	PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) 8,
+	PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) (1 << 3),
 };
 
 enum pci_irq_reroute_variant {

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