Re: [SPAM] [PATCH v2 06/11] i2c: nomadik: support short xfer timeouts using waitqueue & hrtimer

From: Andi Shyti
Date: Mon Mar 04 2024 - 08:54:45 EST


Hi Theo,

..

> +static bool nmk_i2c_wait_xfer_done(struct nmk_i2c_dev *priv)
> +{
> + if (priv->timeout_usecs < jiffies_to_usecs(1)) {
> + unsigned long timeout_usecs = priv->timeout_usecs;
> + ktime_t timeout = ktime_set(0, timeout_usecs * NSEC_PER_USEC);
> +
> + wait_event_hrtimeout(priv->xfer_wq, priv->xfer_done, timeout);
> + } else {
> + unsigned long timeout = usecs_to_jiffies(priv->timeout_usecs);
> +
> + wait_event_timeout(priv->xfer_wq, priv->xfer_done, timeout);
> + }
> +
> + return priv->xfer_done;

You could eventually write this as

static bool nmk_i2c_wait_xfer_done(struct nmk_i2c_dev *priv)
{
if (priv->timeout_usecs < jiffies_to_usecs(1)) {
...

return !wait_event_hrtimeout(...);
}

...
return wait_event_timeout(...);
}

It looks a bit cleaner to me... your choice.

Rest looks good.

Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx>

Andi