linux-kernel - [PATCH v1 5/6] media: ipu3-cio2: Introduce to_cio2

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Message-Id: <20210713202131.13906-5-andriy.shevchenko@linux.intel.com>
Date:   Tue, 13 Jul 2021 23:21:30 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Yong Zhi <yong.zhi@...el.com>, Bingbu Cao <bingbu.cao@...el.com>,
        Dan Scally <djrscally@...il.com>,
        Tianshu Qiu <tian.shu.qiu@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: [PATCH v1 5/6] 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@...ux.intel.com>
---
 drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 9 +++------
 drivers/media/pci/intel/ipu3/ipu3-cio2.h      | 2 ++
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
index 8abb34f47b7b..3acee7a623c0 100644
--- 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 3806d7f04d69..f82f9b2590b9 100644
--- 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;
-- 
2.30.2