summaryrefslogtreecommitdiff
path: root/arch/x86
diff options
context:
space:
mode:
authorGeert Uytterhoeven <geert+renesas@glider.be>2016-12-16 14:28:41 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-26 08:24:44 +0100
commit1fd1e6cd63143cf5d198a536d875dfc88ce179bc (patch)
tree7a90a6aa9b9593f183827fe2cd67206b1395acdd /arch/x86
parent776c2b2d165dc64397f3f9b39839920a08578e8f (diff)
swiotlb: Convert swiotlb_force from int to enum
commit ae7871be189cb41184f1e05742b4a99e2c59774d upstream. Convert the flag swiotlb_force from an int to an enum, to prepare for the advent of more possible values. Suggested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/pci-swiotlb.c2
-rw-r--r--arch/x86/xen/pci-swiotlb-xen.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index b47edb8f5256..8da13d4e77cc 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -70,7 +70,7 @@ int __init pci_swiotlb_detect_override(void)
{
int use_swiotlb = swiotlb | swiotlb_force;
- if (swiotlb_force)
+ if (swiotlb_force == SWIOTLB_FORCE)
swiotlb = 1;
return use_swiotlb;
diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c
index 0e98e5d241d0..5f8b4b0302b6 100644
--- a/arch/x86/xen/pci-swiotlb-xen.c
+++ b/arch/x86/xen/pci-swiotlb-xen.c
@@ -49,7 +49,7 @@ int __init pci_xen_swiotlb_detect(void)
* activate this IOMMU. If running as PV privileged, activate it
* irregardless.
*/
- if ((xen_initial_domain() || swiotlb || swiotlb_force))
+ if (xen_initial_domain() || swiotlb || swiotlb_force == SWIOTLB_FORCE)
xen_swiotlb = 1;
/* If we are running under Xen, we MUST disable the native SWIOTLB.