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SubjectRe: [PATCH 2/3] iio: adc: ti-ads7950: Drop "ti-" prefix from module name
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On 11/01/17 17:52, David Lechner wrote:
> This drops the "ti-" prefix from the module name. It makes the module name
> consistent with other iio ti-ads* drivers and it makes the driver work
> with device tree (the spi subsystem drops the "ti," prefix when matching
> compatible strings from device tree).
>
> Tested working on LEGO MINDSTORMS EV3 with the following device tree node:
>
> adc@3 {
> compatible = "ti,ads7957";
> reg = <3>;
> #io-channel-cells = <1>;
> spi-max-frequency = <10000000>;
> vref-supply = <&adc_ref>;
> };
>
> Signed-off-by: David Lechner <david@lechnology.com>
What worries me here is that we might break existing setups. I agree
we should have gotten this 'right' in the first place, but can we fix
it now. Not so sure. We'd be better off perhaps adding an of_device_id
table with the write entries for device tree.
> ---
> drivers/iio/adc/ti-ads7950.c | 26 +++++++++++++-------------
> 1 file changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c
> index 0330361..b587fa6 100644
> --- a/drivers/iio/adc/ti-ads7950.c
> +++ b/drivers/iio/adc/ti-ads7950.c
> @@ -459,25 +459,25 @@ static int ti_ads7950_remove(struct spi_device *spi)
> }
>
> static const struct spi_device_id ti_ads7950_id[] = {
> - {"ti-ads7950", TI_ADS7950},
> - {"ti-ads7951", TI_ADS7951},
> - {"ti-ads7952", TI_ADS7952},
> - {"ti-ads7953", TI_ADS7953},
> - {"ti-ads7954", TI_ADS7954},
> - {"ti-ads7955", TI_ADS7955},
> - {"ti-ads7956", TI_ADS7956},
> - {"ti-ads7957", TI_ADS7957},
> - {"ti-ads7958", TI_ADS7958},
> - {"ti-ads7959", TI_ADS7959},
> - {"ti-ads7960", TI_ADS7960},
> - {"ti-ads7961", TI_ADS7961},
> + { "ads7950", TI_ADS7950 },
> + { "ads7951", TI_ADS7951 },
> + { "ads7952", TI_ADS7952 },
> + { "ads7953", TI_ADS7953 },
> + { "ads7954", TI_ADS7954 },
> + { "ads7955", TI_ADS7955 },
> + { "ads7956", TI_ADS7956 },
> + { "ads7957", TI_ADS7957 },
> + { "ads7958", TI_ADS7958 },
> + { "ads7959", TI_ADS7959 },
> + { "ads7960", TI_ADS7960 },
> + { "ads7961", TI_ADS7961 },
> { }
> };
> MODULE_DEVICE_TABLE(spi, ti_ads7950_id);
>
> static struct spi_driver ti_ads7950_driver = {
> .driver = {
> - .name = "ti-ads7950",
> + .name = "ads7950",
> },
> .probe = ti_ads7950_probe,
> .remove = ti_ads7950_remove,
>

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