On Thu, 2 Mar 2017, simran singhal wrote:

> Resolve strict checkpatch USLEEP_RANGE checks by converting delays and
> sleeps as described in ./Documentation/timers/timers-howto.txt.
>
> CHECK: usleep_range is preferred over udelay; see Documentation/
> timers/timers-howto.txt
>
> Signed-off-by: simran singhal <singhalsimr...@gmail.com>
> ---
>  drivers/staging/nvec/nvec.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
> index c1feccf..cd35e64 100644
> --- a/drivers/staging/nvec/nvec.c
> +++ b/drivers/staging/nvec/nvec.c
> @@ -631,7 +631,7 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
>               break;
>       case 2:         /* first byte after command */
>               if (status == (I2C_SL_IRQ | RNW | RCVD)) {
> -                     udelay(33);
> +                     usleep_range(33, 100);

How did you choose the upper limit.

I believe that Greg previously suggested not to make these changes if you
have no way to test them.

julia


>                       if (nvec->rx->data[0] != 0x01) {
>                               dev_err(nvec->dev,
>                                       "Read without prior read command\n");
> @@ -718,7 +718,7 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
>        * We experience less incomplete messages with this delay than without
>        * it, but we don't know why. Help is appreciated.
>        */
> -     udelay(100);
> +     usleep_range(100, 200);
>
>       return IRQ_HANDLED;
>  }
> --
> 2.7.4
>
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