diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0719-udmabuf-separate-out-creating-destroying-scatter-tab.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0719-udmabuf-separate-out-creating-destroying-scatter-tab.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0719-udmabuf-separate-out-creating-destroying-scatter-tab.patch b/target/linux/bcm27xx/patches-5.4/950-0719-udmabuf-separate-out-creating-destroying-scatter-tab.patch deleted file mode 100644 index 5a0a59ced1..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0719-udmabuf-separate-out-creating-destroying-scatter-tab.patch +++ /dev/null @@ -1,71 +0,0 @@ -From 118802c75e04a2f1b94245695076d2506f667ae7 Mon Sep 17 00:00:00 2001 -From: Gurchetan Singh <gurchetansingh@chromium.org> -Date: Mon, 2 Dec 2019 17:36:26 -0800 -Subject: [PATCH] udmabuf: separate out creating/destroying - scatter-table - -Commit 17a7ce203490459cff14fb1c8f9a15d65fd1c544 upstream. - -These are nice functions and can be re-used. - -Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org> -Link: http://patchwork.freedesktop.org/patch/msgid/20191203013627.85991-3-gurchetansingh@chromium.org -Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> ---- - drivers/dma-buf/udmabuf.c | 26 +++++++++++++++++++------- - 1 file changed, 19 insertions(+), 7 deletions(-) - ---- a/drivers/dma-buf/udmabuf.c -+++ b/drivers/dma-buf/udmabuf.c -@@ -47,10 +47,10 @@ static int mmap_udmabuf(struct dma_buf * - return 0; - } - --static struct sg_table *map_udmabuf(struct dma_buf_attachment *at, -- enum dma_data_direction direction) -+static struct sg_table *get_sg_table(struct device *dev, struct dma_buf *buf, -+ enum dma_data_direction direction) - { -- struct udmabuf *ubuf = at->dmabuf->priv; -+ struct udmabuf *ubuf = buf->priv; - struct sg_table *sg; - int ret; - -@@ -62,7 +62,7 @@ static struct sg_table *map_udmabuf(stru - GFP_KERNEL); - if (ret < 0) - goto err; -- if (!dma_map_sg(at->dev, sg->sgl, sg->nents, direction)) { -+ if (!dma_map_sg(dev, sg->sgl, sg->nents, direction)) { - ret = -EINVAL; - goto err; - } -@@ -74,13 +74,25 @@ err: - return ERR_PTR(ret); - } - -+static void put_sg_table(struct device *dev, struct sg_table *sg, -+ enum dma_data_direction direction) -+{ -+ dma_unmap_sg(dev, sg->sgl, sg->nents, direction); -+ sg_free_table(sg); -+ kfree(sg); -+} -+ -+static struct sg_table *map_udmabuf(struct dma_buf_attachment *at, -+ enum dma_data_direction direction) -+{ -+ return get_sg_table(at->dev, at->dmabuf, direction); -+} -+ - static void unmap_udmabuf(struct dma_buf_attachment *at, - struct sg_table *sg, - enum dma_data_direction direction) - { -- dma_unmap_sg(at->dev, sg->sgl, sg->nents, direction); -- sg_free_table(sg); -- kfree(sg); -+ return put_sg_table(at->dev, sg, direction); - } - - static void release_udmabuf(struct dma_buf *buf) |