[PATCH v4 1/4] media: imx-jpeg: Move mxc_jpeg_free_slot_data() ahead

ming.qian
2025-04-11T07:44:30Z

Move function mxc_jpeg_free_slot_data() above mxc_jpeg_alloc_slot_data()
allowing to call that function during allocation failures.
No functional changes are made.

Signed-off-by: Ming Qian <ming.qian@oss.nxp.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
---
.../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 46 +++++++++++--------
1 file changed, 26 insertions(+), 20 deletions(-)

diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
index 0e6ee997284b..b2f7e9ad1885 100644
--- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
@@ -752,6 +752,32 @@ static int mxc_get_free_slot(struct mxc_jpeg_slot_data *slot_data)
return -1;
}

+static void mxc_jpeg_free_slot_data(struct mxc_jpeg_dev *jpeg)
+{
+ /* free descriptor for decoding/encoding phase */
+ dma_free_coherent(jpeg->dev, sizeof(struct mxc_jpeg_desc),
+ jpeg->slot_data.desc,
+ jpeg->slot_data.desc_handle);
+ jpeg->slot_data.desc = NULL;
+ jpeg->slot_data.desc_handle = 0;
+
+ /* free descriptor for encoder configuration phase / decoder DHT */
+ dma_free_coherent(jpeg->dev, sizeof(struct mxc_jpeg_desc),
+ jpeg->slot_data.cfg_desc,
+ jpeg->slot_data.cfg_desc_handle);
+ jpeg->slot_data.cfg_desc_handle = 0;
+ jpeg->slot_data.cfg_desc = NULL;
+
+ /* free configuration stream */
+ dma_free_coherent(jpeg->dev, MXC_JPEG_MAX_CFG_STREAM,
+ jpeg->slot_data.cfg_stream_vaddr,
+ jpeg->slot_data.cfg_stream_handle);
+ jpeg->slot_data.cfg_stream_vaddr = NULL;
+ jpeg->slot_data.cfg_stream_handle = 0;
+
+ jpeg->slot_data.used = false;
+}
+
static bool mxc_jpeg_alloc_slot_data(struct mxc_jpeg_dev *jpeg)
{
struct mxc_jpeg_desc *desc;
@@ -798,26 +824,6 @@ static bool mxc_jpeg_alloc_slot_data(struct mxc_jpeg_dev *jpeg)
return false;
}

-static void mxc_jpeg_free_slot_data(struct mxc_jpeg_dev *jpeg)
-{
- /* free descriptor for decoding/encoding phase */
- dma_free_coherent(jpeg->dev, sizeof(struct mxc_jpeg_desc),
- jpeg->slot_data.desc,
- jpeg->slot_data.desc_handle);
-
- /* free descriptor for encoder configuration phase / decoder DHT */
- dma_free_coherent(jpeg->dev, sizeof(struct mxc_jpeg_desc),
- jpeg->slot_data.cfg_desc,
- jpeg->slot_data.cfg_desc_handle);
-
- /* free configuration stream */
- dma_free_coherent(jpeg->dev, MXC_JPEG_MAX_CFG_STREAM,
- jpeg->slot_data.cfg_stream_vaddr,
- jpeg->slot_data.cfg_stream_handle);
-
- jpeg->slot_data.used = false;
-}
-
static void mxc_jpeg_check_and_set_last_buffer(struct mxc_jpeg_ctx *ctx,
struct vb2_v4l2_buffer *src_buf,
struct vb2_v4l2_buffer *dst_buf)
--
2.43.0-rc1