media: ipu3-cio2: Introduce to_cio2_buffer() helper macro

Provide to_cio2_buffer() helper macro and convert users to make
code easier to read.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
index 99ed632..0cb102e 100644 (file)
--- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
@@ -823,8 +823,7 @@ static int cio2_vb2_buf_init(struct vb2_buffer *vb)
 {
        struct cio2_device *cio2 = vb2_get_drv_priv(vb->vb2_queue);
        struct device *dev = &cio2->pci_dev->dev;
-       struct cio2_buffer *b =
-               container_of(vb, struct cio2_buffer, vbb.vb2_buf);
+       struct cio2_buffer *b = to_cio2_buffer(vb);
        unsigned int pages = PFN_UP(vb->planes[0].length);
        unsigned int lops = DIV_ROUND_UP(pages + 1, CIO2_LOP_ENTRIES);
        struct sg_table *sg;
@@ -881,8 +880,7 @@ static void cio2_vb2_buf_queue(struct vb2_buffer *vb)
        struct device *dev = &cio2->pci_dev->dev;
        struct cio2_queue *q =
                container_of(vb->vb2_queue, struct cio2_queue, vbq);
-       struct cio2_buffer *b =
-               container_of(vb, struct cio2_buffer, vbb.vb2_buf);
+       struct cio2_buffer *b = to_cio2_buffer(vb);
        struct cio2_fbpt_entry *entry;
        unsigned long flags;
        unsigned int i, j, next = q->bufs_next;
@@ -955,8 +953,7 @@ static void cio2_vb2_buf_cleanup(struct vb2_buffer *vb)
 {
        struct cio2_device *cio2 = vb2_get_drv_priv(vb->vb2_queue);
        struct device *dev = &cio2->pci_dev->dev;
-       struct cio2_buffer *b =
-               container_of(vb, struct cio2_buffer, vbb.vb2_buf);
+       struct cio2_buffer *b = to_cio2_buffer(vb);
        unsigned int i;
 
        /* Free LOP table */

diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.h b/drivers/media/pci/intel/ipu3/ipu3-cio2.h
index 3806d7f..f82f9b2 100644 (file)
--- a/drivers/media/pci/intel/ipu3/ipu3-cio2.h
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.h
@@ -338,6 +338,8 @@ struct cio2_buffer {
        unsigned int offset;
 };
 
+#define to_cio2_buffer(vb)     container_of(vb, struct cio2_buffer, vbb.vb2_buf)
+
 struct csi2_bus_info {
        u32 port;
        u32 lanes;