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authorNick Ewalt2018-09-17 14:39:00 +0200
committerGreg Kroah-Hartman2018-09-18 13:22:01 +0200
commitd2118f8e93dfc41ab660fb97593dbd6ebdd11f7e (patch)
treeeed6fa0778cc9755c503286c93883dba00317504 /drivers/staging/gasket
parentstaging: gasket: fix DMA direction for extended page tables (diff)
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staging: gasket: fix data page unmap DMA direction
The DMA direction supplied to dma_unmap_page should match the corresponding dma_map_page call, which is mapped bi-directional. Signed-off-by: Nick Ewalt <nicholasewalt@google.com> Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/gasket')
-rw-r--r--drivers/staging/gasket/gasket_page_table.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index e86bdc5fc79d..8fe27e7d1b53 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -612,7 +612,7 @@ static void gasket_perform_unmapping(struct gasket_page_table *pg_tbl,
if (ptes[i].status == PTE_INUSE) {
if (ptes[i].dma_addr) {
dma_unmap_page(pg_tbl->device, ptes[i].dma_addr,
- PAGE_SIZE, DMA_FROM_DEVICE);
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
}
if (gasket_release_page(ptes[i].page))
--pg_tbl->num_active_pages;