author: Arnd Bergmann <arnd@arndb.de> 2023-03-27 14:13:00 +0200
committer: Emil Renner Berthing <emil.renner.berthing@canonical.com> 2023-07-20 20:53:34 +0200
commit: dab3ed35c091709f62faef4de3fa8858ffd0779d
parent: 1304f1702803644819ace952b6a8e6e753f7aeb7
Commit Summary:
Diffstat:
1 file changed, 12 insertions, 10 deletions
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 04d091ade417..b4c4e45fd45e 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -14,8 +14,8 @@
#include <linux/bug.h>
#include <asm/cacheflush.h>
-static void __dma_sync(phys_addr_t paddr, size_t size,
- enum dma_data_direction direction)
+void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir)
{
switch (direction) {
case DMA_TO_DEVICE:
@@ -30,14 +30,16 @@ static void __dma_sync(phys_addr_t paddr, size_t size,
}
}
-void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
- enum dma_data_direction dir)
-{
- __dma_sync(paddr, size, dir);
-}
-
void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
{
- __dma_sync(paddr, size, dir);
-}
+ switch (direction) {
+ case DMA_TO_DEVICE:
+ break;
+ case DMA_BIDIRECTIONAL:
+ case DMA_FROM_DEVICE:
+ invalidate_dcache_range(paddr, paddr + size);
+ break;
+ default:
+ BUG();
+ }}