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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.patch71
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)