From 7a3ce39c2bcac61abcb4650b33945335a02ef6cd Mon Sep 17 00:00:00 2001 From: Sushmita Susheelendra Date: Fri, 15 Dec 2017 13:59:13 -0700 Subject: [PATCH] staging: android: ion: Fix dma direction for dma_sync_sg_for_cpu/device commit d6b246bb7a29703f53aa4c050b8b3205d749caee upstream. Use the direction argument passed into begin_cpu_access and end_cpu_access when calling the dma_sync_sg_for_cpu/device. The actual cache primitive called depends on the direction passed in. Signed-off-by: Sushmita Susheelendra Acked-by: Laura Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/android/ion/ion.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 93e2c90..83dc329 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -348,7 +348,7 @@ static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf, mutex_lock(&buffer->lock); list_for_each_entry(a, &buffer->attachments, list) { dma_sync_sg_for_cpu(a->dev, a->table->sgl, a->table->nents, - DMA_BIDIRECTIONAL); + direction); } mutex_unlock(&buffer->lock); @@ -370,7 +370,7 @@ static int ion_dma_buf_end_cpu_access(struct dma_buf *dmabuf, mutex_lock(&buffer->lock); list_for_each_entry(a, &buffer->attachments, list) { dma_sync_sg_for_device(a->dev, a->table->sgl, a->table->nents, - DMA_BIDIRECTIONAL); + direction); } mutex_unlock(&buffer->lock); -- 2.7.4