Re: [PATCH -next v2] staging: comedi: Remove unused variable ‘min_full_scale’ and function 'get_min_full_scales'
From: Bixuan Cui
Date: Tue May 18 2021 - 21:07:30 EST
On 2021/5/17 17:44, Ian Abbott wrote:
> On 14/05/2021 09:52, Bixuan Cui wrote:
>> The variable ‘min_full_scale’ and function 'get_min_full_scales' are
>> not used, So delete them.
>>
>> Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxx>
>> ---
>> Changes from v2:
>> * Delete function 'get_min_full_scales'
>>
>> drivers/comedi/drivers/jr3_pci.c | 15 ---------------
>> 1 file changed, 15 deletions(-)
>>
>> diff --git a/drivers/comedi/drivers/jr3_pci.c b/drivers/comedi/drivers/jr3_pci.c
>> index 7a02c4fa3cda..f963080dd61f 100644
>> --- a/drivers/comedi/drivers/jr3_pci.c
>> +++ b/drivers/comedi/drivers/jr3_pci.c
>> @@ -186,19 +186,6 @@ static void set_full_scales(struct jr3_sensor __iomem *sensor,
>> set_s16(&sensor->command_word0, 0x0a00);
>> }
>> -static struct six_axis_t get_min_full_scales(struct jr3_sensor __iomem *sensor)
>> -{
>> - struct six_axis_t result;
>> -
>> - result.fx = get_s16(&sensor->min_full_scale.fx);
>> - result.fy = get_s16(&sensor->min_full_scale.fy);
>> - result.fz = get_s16(&sensor->min_full_scale.fz);
>> - result.mx = get_s16(&sensor->min_full_scale.mx);
>> - result.my = get_s16(&sensor->min_full_scale.my);
>> - result.mz = get_s16(&sensor->min_full_scale.mz);
>> - return result;
>> -}
>> -
>> static struct six_axis_t get_max_full_scales(struct jr3_sensor __iomem *sensor)
>> {
>> struct six_axis_t result;
>> @@ -504,10 +491,8 @@ jr3_pci_poll_subdevice(struct comedi_subdevice *s)
>> result = poll_delay_min_max(20, 100);
>> } else {
>> /* Set full scale */
>> - struct six_axis_t min_full_scale;
>> struct six_axis_t max_full_scale;
>> - min_full_scale = get_min_full_scales(sensor);
>> max_full_scale = get_max_full_scales(sensor);
>> set_full_scales(sensor, max_full_scale);
>>
>
> I'm pretty sure this is OK. The min_full_scale registers are just informational. The driver used to print the values, but not since commit a1d16659538a ("staging: comedi: jr3_pci: remove noisy printk") so this code is now redundant.
Thanks for your reply.
Thanks
Bixuan Cui
>
> Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>
>