On Fri, Apr 23, 2021 at 11:14:57AM +0200, Hans Verkuil wrote: > On 22/04/2021 12:30, 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@xxxxxxxxx> > > Signed-off-by: Deepak R Varma <drv@xxxxxxxxx> > > --- > > > > 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. > > > > > > .../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); > > Use dev_dbg instead to avoid spamming the kernel log with all these > messages. dev_dbg is perfectly fine for this, but not pr_info/dev_info. Hi Hans, Thank you for the feedback. I will make the improvement and resubmit v2. Regards, deepak. > > Regards, > > Hans > > > > > /* 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) { > > >