Re: [PATCH 2/3] iio: adc: ti-ads7950: Drop "ti-" prefix from module name
From: Jonathan Cameron
Date: Sun Jan 15 2017 - 08:54:59 EST
On 14/01/17 18:07, David Lechner wrote:
> On 01/14/2017 06:49 AM, Jonathan Cameron wrote:
>> 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@xxxxxxxxxxxxxx>
>> 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.
>
> As far as I can tell, this driver only exists in your testing branch.
> Does that really mean that it is too late to get it right?
Gah! I have a memory like a goldfish.
Excellent point - we can and should do this asap.
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.
Thanks,
Jonathan
>>> ---
>>> 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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