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Date: Wed, 22 Mar 2017 09:56:08 +0530
From: Arushi Singhal <arushisinghal19971997@...il.com>
To: outreachy-kernel@...glegroups.com
Cc: linux-media@...r.kernel.org, gregkh@...uxfoundation.org,
mchehab@...nel.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org,
Arushi Singhal <arushisinghal19971997@...il.com>
Subject: [PATCH 2/3] staging: media: davinci_vpfe: Replace a bit shift by a use of BIT.
This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@
-1 << c
+BIT(c)
Signed-off-by: Arushi Singhal <arushisinghal19971997@...il.com>
---
drivers/staging/media/davinci_vpfe/dm365_ipipe.c | 2 +-
drivers/staging/media/davinci_vpfe/dm365_ipipeif.c | 2 +-
drivers/staging/media/davinci_vpfe/dm365_isif.c | 26 +++++++++++-----------
drivers/staging/media/davinci_vpfe/dm365_resizer.c | 6 ++---
4 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/drivers/staging/media/davinci_vpfe/dm365_ipipe.c b/drivers/staging/media/davinci_vpfe/dm365_ipipe.c
index 6a3434cebd79..7eeb53217168 100644
--- a/drivers/staging/media/davinci_vpfe/dm365_ipipe.c
+++ b/drivers/staging/media/davinci_vpfe/dm365_ipipe.c
@@ -1815,7 +1815,7 @@ vpfe_ipipe_init(struct vpfe_ipipe_device *ipipe, struct platform_device *pdev)
v4l2_subdev_init(sd, &ipipe_v4l2_ops);
sd->internal_ops = &ipipe_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI IPIPE", sizeof(sd->name));
- sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
+ sd->grp_id = BIT(16); /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, ipipe);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
diff --git a/drivers/staging/media/davinci_vpfe/dm365_ipipeif.c b/drivers/staging/media/davinci_vpfe/dm365_ipipeif.c
index 46fd2c7f69c3..c07f028dd6be 100644
--- a/drivers/staging/media/davinci_vpfe/dm365_ipipeif.c
+++ b/drivers/staging/media/davinci_vpfe/dm365_ipipeif.c
@@ -1021,7 +1021,7 @@ int vpfe_ipipeif_init(struct vpfe_ipipeif_device *ipipeif,
sd->internal_ops = &ipipeif_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI IPIPEIF", sizeof(sd->name));
- sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
+ sd->grp_id = BIT(16); /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, ipipeif);
diff --git a/drivers/staging/media/davinci_vpfe/dm365_isif.c b/drivers/staging/media/davinci_vpfe/dm365_isif.c
index 569bcdc9ce2f..0d160c1257d2 100644
--- a/drivers/staging/media/davinci_vpfe/dm365_isif.c
+++ b/drivers/staging/media/davinci_vpfe/dm365_isif.c
@@ -821,7 +821,7 @@ isif_config_dfc(struct vpfe_isif_device *isif, struct vpfe_isif_dfc *vdfc)
/* Correct whole line or partial */
if (vdfc->corr_whole_line)
- val |= 1 << ISIF_VDFC_CORR_WHOLE_LN_SHIFT;
+ val |= BIT(ISIF_VDFC_CORR_WHOLE_LN_SHIFT);
/* level shift value */
val |= (vdfc->def_level_shift & ISIF_VDFC_LEVEL_SHFT_MASK) <<
@@ -849,7 +849,7 @@ isif_config_dfc(struct vpfe_isif_device *isif, struct vpfe_isif_dfc *vdfc)
val = isif_read(isif->isif_cfg.base_addr, DFCMEMCTL);
/* set DFCMARST and set DFCMWR */
- val |= 1 << ISIF_DFCMEMCTL_DFCMARST_SHIFT;
+ val |= BIT(ISIF_DFCMEMCTL_DFCMARST_SHIFT);
val |= 1;
isif_write(isif->isif_cfg.base_addr, val, DFCMEMCTL);
@@ -880,7 +880,7 @@ isif_config_dfc(struct vpfe_isif_device *isif, struct vpfe_isif_dfc *vdfc)
}
val = isif_read(isif->isif_cfg.base_addr, DFCMEMCTL);
/* clear DFCMARST and set DFCMWR */
- val &= ~(1 << ISIF_DFCMEMCTL_DFCMARST_SHIFT);
+ val &= ~(BIT(ISIF_DFCMEMCTL_DFCMARST_SHIFT));
val |= 1;
isif_write(isif->isif_cfg.base_addr, val, DFCMEMCTL);
@@ -904,10 +904,10 @@ isif_config_dfc(struct vpfe_isif_device *isif, struct vpfe_isif_dfc *vdfc)
DM365_ISIF_DFCMWR_MEMORY_WRITE, DFCMEMCTL);
}
/* enable VDFC */
- isif_merge(isif->isif_cfg.base_addr, (1 << ISIF_VDFC_EN_SHIFT),
- (1 << ISIF_VDFC_EN_SHIFT), DFCCTL);
+ isif_merge(isif->isif_cfg.base_addr, (BIT(ISIF_VDFC_EN_SHIFT)),
+ (BIT(ISIF_VDFC_EN_SHIFT)), DFCCTL);
- isif_merge(isif->isif_cfg.base_addr, (1 << ISIF_VDFC_EN_SHIFT),
+ isif_merge(isif->isif_cfg.base_addr, (BIT(ISIF_VDFC_EN_SHIFT)),
(0 << ISIF_VDFC_EN_SHIFT), DFCCTL);
isif_write(isif->isif_cfg.base_addr, 0x6, DFCMEMCTL);
@@ -1140,7 +1140,7 @@ static int isif_config_raw(struct v4l2_subdev *sd, int mode)
isif_write(isif->isif_cfg.base_addr, val, CGAMMAWD);
/* Configure DPCM compression settings */
if (params->v4l2_pix_fmt == V4L2_PIX_FMT_SGRBG10DPCM8) {
- val = 1 << ISIF_DPCM_EN_SHIFT;
+ val = BIT(ISIF_DPCM_EN_SHIFT);
val |= (params->dpcm_predictor &
ISIF_DPCM_PREDICTOR_MASK) << ISIF_DPCM_PREDICTOR_SHIFT;
}
@@ -1893,7 +1893,7 @@ static const struct v4l2_ctrl_config vpfe_isif_crgain = {
.name = "CRGAIN",
.type = V4L2_CTRL_TYPE_INTEGER,
.min = 0,
- .max = (1 << 12) - 1,
+ .max = (BIT(12)) - 1,
.step = 1,
.def = 0,
};
@@ -1904,7 +1904,7 @@ static const struct v4l2_ctrl_config vpfe_isif_cgrgain = {
.name = "CGRGAIN",
.type = V4L2_CTRL_TYPE_INTEGER,
.min = 0,
- .max = (1 << 12) - 1,
+ .max = (BIT(12)) - 1,
.step = 1,
.def = 0,
};
@@ -1915,7 +1915,7 @@ static const struct v4l2_ctrl_config vpfe_isif_cgbgain = {
.name = "CGBGAIN",
.type = V4L2_CTRL_TYPE_INTEGER,
.min = 0,
- .max = (1 << 12) - 1,
+ .max = (BIT(12)) - 1,
.step = 1,
.def = 0,
};
@@ -1926,7 +1926,7 @@ static const struct v4l2_ctrl_config vpfe_isif_cbgain = {
.name = "CBGAIN",
.type = V4L2_CTRL_TYPE_INTEGER,
.min = 0,
- .max = (1 << 12) - 1,
+ .max = (BIT(12)) - 1,
.step = 1,
.def = 0,
};
@@ -1937,7 +1937,7 @@ static const struct v4l2_ctrl_config vpfe_isif_gain_offset = {
.name = "Gain Offset",
.type = V4L2_CTRL_TYPE_INTEGER,
.min = 0,
- .max = (1 << 12) - 1,
+ .max = (BIT(12)) - 1,
.step = 1,
.def = 0,
};
@@ -2044,7 +2044,7 @@ int vpfe_isif_init(struct vpfe_isif_device *isif, struct platform_device *pdev)
v4l2_subdev_init(sd, &isif_v4l2_ops);
sd->internal_ops = &isif_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI ISIF", sizeof(sd->name));
- sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
+ sd->grp_id = BIT(16); /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, isif);
sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE;
pads[ISIF_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
diff --git a/drivers/staging/media/davinci_vpfe/dm365_resizer.c b/drivers/staging/media/davinci_vpfe/dm365_resizer.c
index 857b0e847c5e..3b3469adaf91 100644
--- a/drivers/staging/media/davinci_vpfe/dm365_resizer.c
+++ b/drivers/staging/media/davinci_vpfe/dm365_resizer.c
@@ -1903,7 +1903,7 @@ int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz,
v4l2_subdev_init(sd, &resizer_v4l2_ops);
sd->internal_ops = &resizer_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI RESIZER CROP", sizeof(sd->name));
- sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
+ sd->grp_id = BIT(16); /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, vpfe_rsz);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
@@ -1927,7 +1927,7 @@ int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz,
v4l2_subdev_init(sd, &resizer_v4l2_ops);
sd->internal_ops = &resizer_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI RESIZER A", sizeof(sd->name));
- sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
+ sd->grp_id = BIT(16); /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, vpfe_rsz);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
@@ -1949,7 +1949,7 @@ int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz,
v4l2_subdev_init(sd, &resizer_v4l2_ops);
sd->internal_ops = &resizer_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI RESIZER B", sizeof(sd->name));
- sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
+ sd->grp_id = BIT(16); /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, vpfe_rsz);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
--
2.11.0
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