From: Nick Ewalt <[email protected]> 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 <[email protected]> Signed-off-by: Todd Poynor <[email protected]> --- drivers/staging/gasket/gasket_page_table.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c index e86bdc5fc79d2..8fe27e7d1b53c 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; -- 2.19.0.397.gdd90340f6a-goog _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
