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Message-ID: <YIbMzXTkvNicI0z3@192.168.1.8>
Date: Mon, 26 Apr 2021 19:53:09 +0530
From: Deepak R Varma <drv@...lo.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
linux-kernel@...r.kernel.org, mh12gx2825@...il.com
Subject: Re: [PATCH] staging: media: atomisp: replace pr_info() by dev_info()
On Mon, Apr 26, 2021 at 12:21:26PM +0300, Sakari Ailus wrote:
> Hi Deepak,
>
> Thanks for the patch.
>
> On Thu, Apr 22, 2021 at 04:00:37PM +0530, Deepak R Varma wrote:
> > It is recommended to use driver model diagnostic macros dev_*() instead
> > of pr_*() since the former ensures that the log messages are always
> > associated with the corresponding device and driver.
> >
> > Suggested-by: Fabio Aiuto <fabioaiuto83@...il.com>
> > Signed-off-by: Deepak R Varma <drv@...lo.com>
> > ---
> >
> > Note: There are few more pr_into() calls that I have not replaced since
> > they are very basic (entry and exit) and temporary. They can be removed
> > if the APIs are fully tested. See this example:
> > pr_info("%s S\n", __func__);
> >
> > Let me know if I should remove them and resubmit this patch.
>
> Most probably leftovers from development time. I think these could be
> removed but perhaps by a separate patch.
Yes, sure. Will send in a separate patch. In fact, I will include this
and the other patch and send those in the earlier clear up patch set. It
all does the same thing for this driver.
>
> >
> >
> > .../media/atomisp/i2c/atomisp-gc0310.c | 30 +++++++++----------
> > 1 file changed, 15 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
> > index 7e4e123fdb52..27153ec6f65e 100644
> > --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
> > +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
> > @@ -300,7 +300,7 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > /* pixel clock calculattion */
> > dev->vt_pix_clk_freq_mhz = 14400000; // 16.8MHz
> > buf->vt_pix_clk_freq_mhz = dev->vt_pix_clk_freq_mhz;
> > - pr_info("vt_pix_clk_freq_mhz=%d\n", buf->vt_pix_clk_freq_mhz);
> > + dev_info(&client->dev, "vt_pix_clk_freq_mhz=%d\n", buf->vt_pix_clk_freq_mhz);
>
> Over 80; please wrap. The same for the rest of such lines.
My apologies for the over sight. I will review and correct these.
>
> >
> > /* get integration time */
> > buf->coarse_integration_time_min = GC0310_COARSE_INTG_TIME_MIN;
> > @@ -326,7 +326,7 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > if (ret)
> > return ret;
> > buf->crop_horizontal_start = val | (reg_val & 0xFF);
> > - pr_info("crop_horizontal_start=%d\n", buf->crop_horizontal_start);
> > + dev_info(&client->dev, "crop_horizontal_start=%d\n", buf->crop_horizontal_start);
> >
> > /* Getting crop_vertical_start */
> > ret = gc0310_read_reg(client, GC0310_8BIT,
> > @@ -339,7 +339,7 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > if (ret)
> > return ret;
> > buf->crop_vertical_start = val | (reg_val & 0xFF);
> > - pr_info("crop_vertical_start=%d\n", buf->crop_vertical_start);
> > + dev_info(&client->dev, "crop_vertical_start=%d\n", buf->crop_vertical_start);
> >
> > /* Getting output_width */
> > ret = gc0310_read_reg(client, GC0310_8BIT,
> > @@ -352,7 +352,7 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > if (ret)
> > return ret;
> > buf->output_width = val | (reg_val & 0xFF);
> > - pr_info("output_width=%d\n", buf->output_width);
> > + dev_info(&client->dev, "output_width=%d\n", buf->output_width);
> >
> > /* Getting output_height */
> > ret = gc0310_read_reg(client, GC0310_8BIT,
> > @@ -365,12 +365,12 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > if (ret)
> > return ret;
> > buf->output_height = val | (reg_val & 0xFF);
> > - pr_info("output_height=%d\n", buf->output_height);
> > + dev_info(&client->dev, "output_height=%d\n", buf->output_height);
> >
> > buf->crop_horizontal_end = buf->crop_horizontal_start + buf->output_width - 1;
> > buf->crop_vertical_end = buf->crop_vertical_start + buf->output_height - 1;
> > - pr_info("crop_horizontal_end=%d\n", buf->crop_horizontal_end);
> > - pr_info("crop_vertical_end=%d\n", buf->crop_vertical_end);
> > + dev_info(&client->dev, "crop_horizontal_end=%d\n", buf->crop_horizontal_end);
> > + dev_info(&client->dev, "crop_vertical_end=%d\n", buf->crop_vertical_end);
> >
> > /* Getting line_length_pck */
> > ret = gc0310_read_reg(client, GC0310_8BIT,
> > @@ -389,8 +389,8 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > return ret;
> > sh_delay = reg_val;
> > buf->line_length_pck = buf->output_width + hori_blanking + sh_delay + 4;
> > - pr_info("hori_blanking=%d sh_delay=%d line_length_pck=%d\n", hori_blanking,
> > - sh_delay, buf->line_length_pck);
> > + dev_info(&client->dev, "hori_blanking=%d sh_delay=%d line_length_pck=%d\n", hori_blanking,
> > + sh_delay, buf->line_length_pck);
> >
> > /* Getting frame_length_lines */
> > ret = gc0310_read_reg(client, GC0310_8BIT,
> > @@ -404,8 +404,8 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
> > return ret;
> > vert_blanking = val | (reg_val & 0xFF);
> > buf->frame_length_lines = buf->output_height + vert_blanking;
> > - pr_info("vert_blanking=%d frame_length_lines=%d\n", vert_blanking,
> > - buf->frame_length_lines);
> > + dev_info(&client->dev, "vert_blanking=%d frame_length_lines=%d\n", vert_blanking,
> > + buf->frame_length_lines);
> >
> > buf->binning_factor_x = res->bin_factor_x ?
> > res->bin_factor_x : 1;
> > @@ -434,7 +434,7 @@ static int gc0310_set_gain(struct v4l2_subdev *sd, int gain)
> > dgain = gain / 2;
> > }
> >
> > - pr_info("gain=0x%x again=0x%x dgain=0x%x\n", gain, again, dgain);
> > + dev_info(&client->dev, "gain=0x%x again=0x%x dgain=0x%x\n", gain, again, dgain);
> >
> > /* set analog gain */
> > ret = gc0310_write_reg(client, GC0310_8BIT,
> > @@ -458,7 +458,7 @@ static int __gc0310_set_exposure(struct v4l2_subdev *sd, int coarse_itg,
> > struct i2c_client *client = v4l2_get_subdevdata(sd);
> > int ret;
> >
> > - pr_info("coarse_itg=%d gain=%d digitgain=%d\n", coarse_itg, gain, digitgain);
> > + dev_info(&client->dev, "coarse_itg=%d gain=%d digitgain=%d\n", coarse_itg, gain, digitgain);
> >
> > /* set exposure */
> > ret = gc0310_write_reg(client, GC0310_8BIT,
> > @@ -1085,7 +1085,7 @@ static int gc0310_detect(struct i2c_client *client)
> > return -ENODEV;
> > }
> > id = ((((u16)high) << 8) | (u16)low);
> > - pr_info("sensor ID = 0x%x\n", id);
> > + dev_info(&client->dev, "sensor ID = 0x%x\n", id);
> >
> > if (id != GC0310_ID) {
> > dev_err(&client->dev, "sensor ID error, read id = 0x%x, target id = 0x%x\n", id,
> > @@ -1106,7 +1106,7 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable)
> > struct i2c_client *client = v4l2_get_subdevdata(sd);
> > int ret;
> >
> > - pr_info("%s S enable=%d\n", __func__, enable);
> > + dev_info(&client->dev, "%s S enable=%d\n", __func__, enable);
> > mutex_lock(&dev->input_lock);
> >
> > if (enable) {
>
> --
> Kind regards,
>
> Sakari Ailus
Thank you Sakari.
deepak.
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