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Message-Id: <20240701-gmsl2-drivers-style-fixup-v2-1-6b02bd6c1e41@collabora.com>
Date: Mon, 01 Jul 2024 11:31:42 +0200
From: Julien Massot <julien.massot@...labora.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
Tommaso Merciai <tomm.merciai@...il.com>, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org, Julien Massot <julien.massot@...labora.com>,
20240627151806.3999400-2-tomm.merciai@...il.com
Subject: [PATCH v2 1/2] media: i2c: max96717: coding style fixes
Coding style fixes suggested by Sakari during the
driver review.
Signed-off-by: Julien Massot <julien.massot@...labora.com>
---
drivers/media/i2c/max96717.c | 31 ++++++++++++-------------------
1 file changed, 12 insertions(+), 19 deletions(-)
diff --git a/drivers/media/i2c/max96717.c b/drivers/media/i2c/max96717.c
index 859a439b64d9..4e85b8eb1e77 100644
--- a/drivers/media/i2c/max96717.c
+++ b/drivers/media/i2c/max96717.c
@@ -25,6 +25,7 @@
#define MAX96717_PORTS 2
#define MAX96717_PAD_SINK 0
#define MAX96717_PAD_SOURCE 1
+#define MAX96717_CSI_NLANES 4
#define MAX96717_DEFAULT_CLKOUT_RATE 24000000UL
@@ -495,7 +496,6 @@ static int max96717_enable_streams(struct v4l2_subdev *sd,
u64 streams_mask)
{
struct max96717_priv *priv = sd_to_max96717(sd);
- struct device *dev = &priv->client->dev;
u64 sink_streams;
int ret;
@@ -516,11 +516,8 @@ static int max96717_enable_streams(struct v4l2_subdev *sd,
ret = v4l2_subdev_enable_streams(priv->source_sd,
priv->source_sd_pad,
sink_streams);
- if (ret) {
- dev_err(dev, "Fail to start streams:%llu on remote subdev\n",
- sink_streams);
+ if (ret)
goto stop_csi;
- }
}
priv->enabled_source_streams |= streams_mask;
@@ -530,6 +527,7 @@ static int max96717_enable_streams(struct v4l2_subdev *sd,
stop_csi:
if (!priv->enabled_source_streams)
max96717_start_csi(priv, false);
+
return ret;
}
@@ -769,11 +767,8 @@ max96717_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
static unsigned int max96717_clk_find_best_index(struct max96717_priv *priv,
unsigned long rate)
{
- unsigned int i, idx;
- unsigned long diff_new, diff_old;
-
- diff_old = U32_MAX;
- idx = 0;
+ unsigned int i, idx = 0;
+ unsigned long diff_new, diff_old = U32_MAX;
for (i = 0; i < ARRAY_SIZE(max96717_predef_freqs); i++) {
diff_new = abs(rate - max96717_predef_freqs[i].freq);
@@ -860,8 +855,7 @@ static int max96717_register_clkout(struct max96717_priv *priv)
struct clk_init_data init = { .ops = &max96717_clk_ops };
int ret;
- init.name = kasprintf(GFP_KERNEL, "max96717.%s.clk_out",
- dev_name(dev));
+ init.name = kasprintf(GFP_KERNEL, "max96717.%s.clk_out", dev_name(dev));
if (!init.name)
return -ENOMEM;
@@ -944,8 +938,9 @@ static int max96717_init_csi_lanes(struct max96717_priv *priv)
* Unused lanes need to be mapped as well to not have
* the same lanes mapped twice.
*/
- for (; lane < 4; lane++) {
- unsigned int idx = find_first_zero_bit(&lanes_used, 4);
+ for (; lane < MAX96717_CSI_NLANES; lane++) {
+ unsigned int idx = find_first_zero_bit(&lanes_used,
+ MAX96717_CSI_NLANES);
val |= idx << (lane * 2);
lanes_used |= BIT(idx);
@@ -999,9 +994,7 @@ static int max96717_hw_init(struct max96717_priv *priv)
static int max96717_parse_dt(struct max96717_priv *priv)
{
struct device *dev = &priv->client->dev;
- struct v4l2_fwnode_endpoint vep = {
- .bus_type = V4L2_MBUS_CSI2_DPHY
- };
+ struct v4l2_fwnode_endpoint vep = { .bus_type = V4L2_MBUS_CSI2_DPHY };
struct fwnode_handle *ep_fwnode;
unsigned char num_data_lanes;
int ret;
@@ -1019,11 +1012,11 @@ static int max96717_parse_dt(struct max96717_priv *priv)
return dev_err_probe(dev, ret, "Failed to parse sink endpoint");
num_data_lanes = vep.bus.mipi_csi2.num_data_lanes;
- if (num_data_lanes < 1 || num_data_lanes > 4)
+ if (num_data_lanes < 1 || num_data_lanes > MAX96717_CSI_NLANES)
return dev_err_probe(dev, -EINVAL,
"Invalid data lanes must be 1 to 4\n");
- memcpy(&priv->mipi_csi2, &vep.bus.mipi_csi2, sizeof(priv->mipi_csi2));
+ priv->mipi_csi2 = vep.bus.mipi_csi2;
return 0;
}
--
2.45.2
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