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media: fsl-viu: mark static functions as such

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There are several functions that are used only inside the
driver. Stop exposing that to global symbolspace.

Get rid of the following gcc warnings:

drivers/media/platform/fsl-viu.c:240:17: warning: no previous prototype for ‘format_by_fourcc’ [-Wmissing-prototypes]
 struct viu_fmt *format_by_fourcc(int fourcc)
                 ^~~~~~~~~~~~~~~~
drivers/media/platform/fsl-viu.c:253:6: warning: no previous prototype for ‘viu_start_dma’ [-Wmissing-prototypes]
 void viu_start_dma(struct viu_dev *dev)
      ^~~~~~~~~~~~~
drivers/media/platform/fsl-viu.c:262:6: warning: no previous prototype for ‘viu_stop_dma’ [-Wmissing-prototypes]
 void viu_stop_dma(struct viu_dev *dev)
      ^~~~~~~~~~~~
drivers/media/platform/fsl-viu.c:807:5: warning: no previous prototype for ‘vidioc_g_fbuf’ [-Wmissing-prototypes]
 int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
     ^~~~~~~~~~~~~
drivers/media/platform/fsl-viu.c:818:5: warning: no previous prototype for ‘vidioc_s_fbuf’ [-Wmissing-prototypes]
 int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg)
     ^~~~~~~~~~~~~
drivers/media/platform/fsl-viu.c: In function ‘viu_open’:
drivers/media/platform/fsl-viu.c:1170:6: warning: variable ‘status_cfg’ set but not used [-Wunused-but-set-variable]
  u32 status_cfg;
      ^~~~~~~~~~
drivers/media/platform/fsl-viu.c: At top level:
drivers/media/platform/fsl-viu.c:1304:6: warning: no previous prototype for ‘viu_reset’ [-Wmissing-prototypes]
 void viu_reset(struct viu_reg *reg)
      ^~~~~~~~~

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2018-04-05 10:24:43 -04:00
parent 3f4836beb2
commit adfcf2e980
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/media/platform/fsl-viu.c
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@ -229,7 +229,7 @@ enum status_config {
static irqreturn_t viu_intr(int irq, void *dev_id);
struct viu_fmt *format_by_fourcc(int fourcc)
static struct viu_fmt *format_by_fourcc(int fourcc)
{
int i;
@ -242,7 +242,7 @@ struct viu_fmt *format_by_fourcc(int fourcc)
return NULL;
}
void viu_start_dma(struct viu_dev *dev)
static void viu_start_dma(struct viu_dev *dev)
{
struct viu_reg *vr = dev->vr;
@ -253,7 +253,7 @@ void viu_start_dma(struct viu_dev *dev)
out_be32(&vr->status_cfg, INT_FIELD_EN);
}
void viu_stop_dma(struct viu_dev *dev)
static void viu_stop_dma(struct viu_dev *dev)
{
struct viu_reg *vr = dev->vr;
int cnt = 100;
@ -802,7 +802,7 @@ static int vidioc_overlay(struct file *file, void *priv, unsigned int on)
return 0;
}
int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
static int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
{
struct viu_fh *fh = priv;
struct viu_dev *dev = fh->dev;
@ -813,7 +813,7 @@ int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
return 0;
}
int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg)
static int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg)
{
struct viu_fh *fh = priv;
struct viu_dev *dev = fh->dev;
@ -1305,7 +1305,7 @@ static int viu_release(struct file *file)
return 0;
}
void viu_reset(struct viu_reg *reg)
static void viu_reset(struct viu_reg *reg)
{
out_be32(&reg->status_cfg, 0);
out_be32(&reg->luminance, 0x9512a254);