On Fri, 12 Jan 2024 17:40:22 +0100 Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@xxxxxxxxxx> wrote: > From: Nuno Sa <nuno.sa@xxxxxxxxxx> > > Move to the IIO backend framework. Devices supported by adi-axi-adc now > register themselves as backend devices. > > Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx> A few quick drive by comments whist I wait for a build to finish... > diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c > index 0f21d1d98b9f..741b53c25bb1 100644 > --- a/drivers/iio/adc/adi-axi-adc.c > +++ b/drivers/iio/adc/adi-axi-adc.c > @@ -8,6 +8,7 @@ >> static int adi_axi_adc_probe(struct platform_device *pdev) > { ... > @@ -390,37 +205,23 @@ static int adi_axi_adc_probe(struct platform_device *pdev) > if (ret) > return ret; > > - if (cl->info->version > ver) { > + if (*expected_ver > ver) { > dev_err(&pdev->dev, > "IP core version is too old. Expected %d.%.2d.%c, Reported %d.%.2d.%c\n", Format doesn't match with later. > - ADI_AXI_PCORE_VER_MAJOR(cl->info->version), > - ADI_AXI_PCORE_VER_MINOR(cl->info->version), > - ADI_AXI_PCORE_VER_PATCH(cl->info->version), > + ADI_AXI_PCORE_VER_MAJOR(*expected_ver), > + ADI_AXI_PCORE_VER_MINOR(*expected_ver), > + ADI_AXI_PCORE_VER_PATCH(*expected_ver), > ADI_AXI_PCORE_VER_MAJOR(ver), > ADI_AXI_PCORE_VER_MINOR(ver), > ADI_AXI_PCORE_VER_PATCH(ver)); > return -ENODEV; > } > > - indio_dev->info = &adi_axi_adc_info; > - indio_dev->name = "adi-axi-adc"; > - indio_dev->modes = INDIO_DIRECT_MODE; > - indio_dev->num_channels = conv->chip_info->num_channels; > - indio_dev->channels = conv->chip_info->channels; > - > - ret = adi_axi_adc_config_dma_buffer(&pdev->dev, indio_dev); > + ret = devm_iio_backend_register(&pdev->dev, &adi_axi_adc_generic, st); > if (ret) > return ret; > > - ret = adi_axi_adc_setup_channels(&pdev->dev, st); > - if (ret) > - return ret; > - > - ret = devm_iio_device_register(&pdev->dev, indio_dev); > - if (ret) > - return ret; > - > - dev_info(&pdev->dev, "AXI ADC IP core (%d.%.2d.%c) probed\n", > + dev_info(&pdev->dev, "AXI ADC IP core (%d.%.2d.%d) probed\n", I'd rip this (I think) unrelated change out to reduce noise in here somewhat. I'm curious though as it's still %c above. > ADI_AXI_PCORE_VER_MAJOR(ver), > ADI_AXI_PCORE_VER_MINOR(ver), > ADI_AXI_PCORE_VER_PATCH(ver)); > @@ -428,6 +229,8 @@ static int adi_axi_adc_probe(struct platform_device *pdev) > return 0; > }