Re: [PATCH] net: stmmac: Use msleep rather then udelay for reset delay

From: David Miller
Date: Wed Sep 09 2015 - 01:41:15 EST


From: Sjoerd Simons <sjoerd.simons@xxxxxxxxxxxxxxx>
Date: Sun, 6 Sep 2015 17:50:59 +0200

> @@ -161,11 +161,16 @@ int stmmac_mdio_reset(struct mii_bus *bus)
>
> if (!gpio_request(reset_gpio, "mdio-reset")) {
> gpio_direction_output(reset_gpio, active_low ? 1 : 0);
> - udelay(data->delays[0]);
> + if (data->delays[0])
> + msleep((data->delays[0] + 999) / 1000);

Please use something like DIV_ROUND_UP(..., USEC_PER_MSEC) or similar.
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