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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/arm64/mm
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/arm64/mm')
-rw-r--r--arch/arm64/mm/dma-mapping.c3
-rw-r--r--arch/arm64/mm/init.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 3f74d0d98de6..02265a589ef5 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -524,7 +524,8 @@ EXPORT_SYMBOL(dummy_dma_ops);
static int __init arm64_dma_init(void)
{
- if (swiotlb_force || max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
+ if (swiotlb_force == SWIOTLB_FORCE ||
+ max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
swiotlb = 1;
return atomic_pool_init();
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 59bd3d47647b..380ebe705093 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -401,7 +401,8 @@ static void __init free_unused_memmap(void)
*/
void __init mem_init(void)
{
- if (swiotlb_force || max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
+ if (swiotlb_force == SWIOTLB_FORCE ||
+ max_pfn > (arm64_dma_phys_limit >> PAGE_SHIFT))
swiotlb_init(1);
else
swiotlb_force = SWIOTLB_NO_FORCE;