As we did lots of change at vim2m driver, let's take the
opportunity and make checkpatch happier, addressing the
errors/warnings that makes sense.
While here, increment driver's version.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
---
drivers/media/platform/vim2m.c | 52 ++++++++++++++++++----------------
1 file changed, 28 insertions(+), 24 deletions(-)
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index eff4eff858fe..34dcaca45d8b 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -35,10 +35,10 @@
MODULE_DESCRIPTION("Virtual device for mem2mem framework testing");
MODULE_AUTHOR("Pawel Osciak, <pawel@xxxxxxxxxx>");
MODULE_LICENSE("GPL");
-MODULE_VERSION("0.1.1");
+MODULE_VERSION("0.2");
MODULE_ALIAS("mem2mem_testdev");
-static unsigned debug;
+static unsigned int debug;
module_param(debug, uint, 0644);
MODULE_PARM_DESC(debug, "debug level");
@@ -61,8 +61,8 @@ MODULE_PARM_DESC(default_transtime, "default transaction time in ms");
#define BAYER_HEIGHT_ALIGN 2
/* Flags that indicate a format can be used for capture/output */
-#define MEM2MEM_CAPTURE (1 << 0)
-#define MEM2MEM_OUTPUT (1 << 1)
+#define MEM2MEM_CAPTURE BIT(0)
+#define MEM2MEM_OUTPUT BIT(1)
#define MEM2MEM_NAME "vim2m"
@@ -72,13 +72,12 @@ MODULE_PARM_DESC(default_transtime, "default transaction time in ms");
#define MEM2MEM_VID_MEM_LIMIT (16 * 1024 * 1024)
/* Flags that indicate processing mode */
-#define MEM2MEM_HFLIP (1 << 0)
-#define MEM2MEM_VFLIP (1 << 1)
+#define MEM2MEM_HFLIP BIT(0)
+#define MEM2MEM_VFLIP BIT(1)
#define dprintk(dev, lvl, fmt, arg...) \
v4l2_dbg(lvl, debug, &(dev)->v4l2_dev, "%s: " fmt, __func__, ## arg)
-
static void vim2m_dev_release(struct device *dev)
{}
@@ -240,7 +239,7 @@ static inline struct vim2m_ctx *file2ctx(struct file *file)
}
static struct vim2m_q_data *get_q_data(struct vim2m_ctx *ctx,
- enum v4l2_buf_type type)
+ enum v4l2_buf_type type)
{
switch (type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
@@ -487,7 +486,10 @@ static int device_process(struct vim2m_ctx *ctx,
}
y_out = 0;
- /* When format and resolution are identical, we can use a faster copy logic */
+ /*
+ * When format and resolution are identical,
+ * we can use a faster copy logic
+ */
if (q_data_in->fmt->fourcc == q_data_out->fmt->fourcc &&
q_data_in->width == q_data_out->width &&
q_data_in->height == q_data_out->height) {
@@ -550,7 +552,6 @@ static int device_process(struct vim2m_ctx *ctx,
else
p_in_x[0] = p_line + x_offset * bytes_per_pixel;
}
-
}
return 0;
@@ -621,7 +622,7 @@ static void device_work(struct work_struct *w)
curr_ctx = container_of(w, struct vim2m_ctx, work_run.work);
- if (NULL == curr_ctx) {
+ if (!curr_ctx) {
pr_err("Instance released before the end of transaction\n");
return;
}
@@ -657,7 +658,7 @@ static int vidioc_querycap(struct file *file, void *priv,
strncpy(cap->driver, MEM2MEM_NAME, sizeof(cap->driver) - 1);
strncpy(cap->card, MEM2MEM_NAME, sizeof(cap->card) - 1);
snprintf(cap->bus_info, sizeof(cap->bus_info),
- "platform:%s", MEM2MEM_NAME);
+ "platform:%s", MEM2MEM_NAME);
return 0;
}
@@ -767,8 +768,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_try_fmt(struct v4l2_format *f, struct vim2m_fmt *fmt)
{
int walign, halign;
- /* V4L2 specification suggests the driver corrects the format struct
- * if any of the dimensions is unsupported */
+ /*
+ * V4L2 specification specifies the driver corrects the
+ * format struct if any of the dimensions is unsupported
+ */
if (f->fmt.pix.height < MIN_H)
f->fmt.pix.height = MIN_H;
else if (f->fmt.pix.height > MAX_H)
@@ -947,7 +950,6 @@ static const struct v4l2_ctrl_ops vim2m_ctrl_ops = {
.s_ctrl = vim2m_s_ctrl,
};
-
static const struct v4l2_ioctl_ops vim2m_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
@@ -977,14 +979,15 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = {
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
-
/*
* Queue operations
*/
static int vim2m_queue_setup(struct vb2_queue *vq,
- unsigned int *nbuffers, unsigned int *nplanes,
- unsigned int sizes[], struct device *alloc_devs[])
+ unsigned int *nbuffers,
+ unsigned int *nplanes,
+ unsigned int sizes[],
+ struct device *alloc_devs[])
{
struct vim2m_ctx *ctx = vb2_get_drv_priv(vq);
struct vim2m_q_data *q_data;
@@ -1058,7 +1061,7 @@ static void vim2m_buf_queue(struct vb2_buffer *vb)
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
}
-static int vim2m_start_streaming(struct vb2_queue *q, unsigned count)
+static int vim2m_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct vim2m_ctx *ctx = vb2_get_drv_priv(q);
struct vim2m_q_data *q_data = get_q_data(ctx, q->type);
@@ -1083,7 +1086,7 @@ static void vim2m_stop_streaming(struct vb2_queue *q)
vbuf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
else
vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
- if (vbuf == NULL)
+ if (!vbuf)
return;
v4l2_ctrl_request_complete(vbuf->vb2_buf.req_obj.req,
&ctx->hdl);
@@ -1112,7 +1115,8 @@ static const struct vb2_ops vim2m_qops = {
.buf_request_complete = vim2m_buf_request_complete,
};
-static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+static int queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
{
struct vim2m_ctx *ctx = priv;
int ret;
@@ -1318,7 +1322,7 @@ static int vim2m_probe(struct platform_device *pdev)
video_set_drvdata(vfd, dev);
v4l2_info(&dev->v4l2_dev,
- "Device registered as /dev/video%d\n", vfd->num);
+ "Device registered as /dev/video%d\n", vfd->num);
platform_set_drvdata(pdev, dev);
@@ -1338,8 +1342,8 @@ static int vim2m_probe(struct platform_device *pdev)
dev->mdev.ops = &m2m_media_ops;
dev->v4l2_dev.mdev = &dev->mdev;
- ret = v4l2_m2m_register_media_controller(dev->m2m_dev,
- vfd, MEDIA_ENT_F_PROC_VIDEO_SCALER);
+ ret = v4l2_m2m_register_media_controller(dev->m2m_dev, vfd,
+ MEDIA_ENT_F_PROC_VIDEO_SCALER);
if (ret) {
v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller\n");
goto unreg_m2m;
--
2.20.1
