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SubjectRe: [PATCH] Staging: nvec: nvec: fixed check style issues
On Sun, Dec 16, 2018 at 01:43:54PM -0800, Amir Mahdi Ghorbanian wrote:
> Replaced udelay() by the preferred usleep_range() function.
>
> Signed-off-by: Amir Mahdi Ghorbanian <indigoomega021@gmail.com>

Nack, usleep_range isn't for atomic contexts like interrupt handlers.

> ---
> 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 08027a3..6f35f92 100644
> --- a/drivers/staging/nvec/nvec.c
> +++ b/drivers/staging/nvec/nvec.c
> @@ -626,7 +626,7 @@ 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(0, 33);
> if (nvec->rx->data[0] != 0x01) {
> dev_err(nvec->dev,
> "Read without prior read command\n");
> @@ -713,7 +713,7 @@ 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(0, 100);
>
> return IRQ_HANDLED;
> }
> --
> 2.7.4
>

--
Cheers,
Joey Pabalinas
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