diff options
| author | Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org> | 2026-07-17 23:34:41 +0530 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2026-07-31 08:44:52 +0200 |
| commit | 04a19b35dc05354445f0096befad63af885bb77e (patch) | |
| tree | 72547bf143292ee66464d886ceff6c72ec14e4bb | |
| parent | ad8d2326d2640020527fb632cd8e18651115dfcc (diff) | |
swiotlb: remove unused SWIOTLB_FORCE flag
SWIOTLB_FORCE has no remaining in-tree users. Forced bouncing is now
controlled through the swiotlb=force command line option via
swiotlb_force_bounce.
Remove the unused flag and simplify the force_bounce initialization.
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Link: https://lore.kernel.org/r/20260717180442.110954-24-aneesh.kumar@kernel.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
| -rw-r--r-- | include/linux/swiotlb.h | 3 | ||||
| -rw-r--r-- | kernel/dma/swiotlb.c | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index c3bf7ed6f7a6..9caca923c380 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -15,8 +15,7 @@ struct page; struct scatterlist; #define SWIOTLB_VERBOSE (1 << 0) /* verbose initialization */ -#define SWIOTLB_FORCE (1 << 1) /* force bounce buffering */ -#define SWIOTLB_ANY (1 << 2) /* allow any memory for the buffer */ +#define SWIOTLB_ANY (1 << 1) /* allow any memory for the buffer */ /* * Maximum allowable number of contiguous slabs to map, diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 8b7e47504304..897aba538c5b 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -400,8 +400,7 @@ void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags, if (swiotlb_force_disable) return; - io_tlb_default_mem.force_bounce = - swiotlb_force_bounce || (flags & SWIOTLB_FORCE); + io_tlb_default_mem.force_bounce = swiotlb_force_bounce; #ifdef CONFIG_SWIOTLB_DYNAMIC if (!remap) |