Re: [PATCH v2] iio: adc: Fix coding style violations

From: Jonathan Cameron
Date: Sat Aug 12 2017 - 08:36:47 EST


On Thu, 10 Aug 2017 08:30:20 +0200
Michal Simek <michal.simek@xxxxxxxxxx> wrote:

> From: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xxxxxxxxxx>
>
> This patch fix following checkpatch warnings in xadc driver
> 1. prefer 'unsigned int' to bare use of 'unsigned'.
> 2. else is not generally useful after a break or return.
> 3. fill all function definition arguments with identifier name
>
> Signed-off-by: Sai Krishna Potthuri <lakshmis@xxxxxxxxxx>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
I've added the driver name to the title. Would have preferred it
as 3 patches fixing one issue each, but this is fine...

Applied to the togreg branch of iio.git and pushed out as
testing for the autobuilders to play with it.

Thanks,

Jonathan
> ---
>
> Changes in v2:
> - Fix all functions definition arguments in header with identifier name
> - Change commit message to reflect v2 changes
> both reported by: Joe Perches
>
> drivers/iio/adc/xilinx-xadc-events.c | 38 +++++++++++++++++-------------------
> drivers/iio/adc/xilinx-xadc.h | 10 +++++-----
> 2 files changed, 23 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/iio/adc/xilinx-xadc-events.c b/drivers/iio/adc/xilinx-xadc-events.c
> index 6d5c2a6f4e6e..dc0670308253 100644
> --- a/drivers/iio/adc/xilinx-xadc-events.c
> +++ b/drivers/iio/adc/xilinx-xadc-events.c
> @@ -68,7 +68,7 @@ void xadc_handle_events(struct iio_dev *indio_dev, unsigned long events)
> xadc_handle_event(indio_dev, i);
> }
>
> -static unsigned xadc_get_threshold_offset(const struct iio_chan_spec *chan,
> +static unsigned int xadc_get_threshold_offset(const struct iio_chan_spec *chan,
> enum iio_event_direction dir)
> {
> unsigned int offset;
> @@ -90,26 +90,24 @@ static unsigned xadc_get_threshold_offset(const struct iio_chan_spec *chan,
>
> static unsigned int xadc_get_alarm_mask(const struct iio_chan_spec *chan)
> {
> - if (chan->type == IIO_TEMP) {
> + if (chan->type == IIO_TEMP)
> return XADC_ALARM_OT_MASK;
> - } else {
> - switch (chan->channel) {
> - case 0:
> - return XADC_ALARM_VCCINT_MASK;
> - case 1:
> - return XADC_ALARM_VCCAUX_MASK;
> - case 2:
> - return XADC_ALARM_VCCBRAM_MASK;
> - case 3:
> - return XADC_ALARM_VCCPINT_MASK;
> - case 4:
> - return XADC_ALARM_VCCPAUX_MASK;
> - case 5:
> - return XADC_ALARM_VCCODDR_MASK;
> - default:
> - /* We will never get here */
> - return 0;
> - }
> + switch (chan->channel) {
> + case 0:
> + return XADC_ALARM_VCCINT_MASK;
> + case 1:
> + return XADC_ALARM_VCCAUX_MASK;
> + case 2:
> + return XADC_ALARM_VCCBRAM_MASK;
> + case 3:
> + return XADC_ALARM_VCCPINT_MASK;
> + case 4:
> + return XADC_ALARM_VCCPAUX_MASK;
> + case 5:
> + return XADC_ALARM_VCCODDR_MASK;
> + default:
> + /* We will never get here */
> + return 0;
> }
> }
>
> diff --git a/drivers/iio/adc/xilinx-xadc.h b/drivers/iio/adc/xilinx-xadc.h
> index f6f081965647..62edbdae1244 100644
> --- a/drivers/iio/adc/xilinx-xadc.h
> +++ b/drivers/iio/adc/xilinx-xadc.h
> @@ -71,13 +71,13 @@ struct xadc {
> };
>
> struct xadc_ops {
> - int (*read)(struct xadc *, unsigned int, uint16_t *);
> - int (*write)(struct xadc *, unsigned int, uint16_t);
> + int (*read)(struct xadc *xadc, unsigned int reg, uint16_t *val);
> + int (*write)(struct xadc *xadc, unsigned int reg, uint16_t val);
> int (*setup)(struct platform_device *pdev, struct iio_dev *indio_dev,
> int irq);
> - void (*update_alarm)(struct xadc *, unsigned int);
> - unsigned long (*get_dclk_rate)(struct xadc *);
> - irqreturn_t (*interrupt_handler)(int, void *);
> + void (*update_alarm)(struct xadc *xadc, unsigned int alarm);
> + unsigned long (*get_dclk_rate)(struct xadc *xadc);
> + irqreturn_t (*interrupt_handler)(int irq, void *devid);
>
> unsigned int flags;
> };