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SubjectRe: [PATCH net-next v4 1/4] phylib: Add device reset delay support
Hi Richard,

On Thu, Dec 7, 2017 at 3:43 PM, Richard Leitner <dev@g0hl1n.net> wrote:
> --- a/drivers/net/phy/mdio_device.c
> +++ b/drivers/net/phy/mdio_device.c
> @@ -24,6 +24,7 @@
> #include <linux/slab.h>
> #include <linux/string.h>
> #include <linux/unistd.h>
> +#include <linux/delay.h>
>
> void mdio_device_free(struct mdio_device *mdiodev)
> {
> @@ -118,8 +119,16 @@ EXPORT_SYMBOL(mdio_device_remove);
>
> void mdio_device_reset(struct mdio_device *mdiodev, int value)
> {
> - if (mdiodev->reset)
> - gpiod_set_value(mdiodev->reset, value);
> + unsigned int d;
> +
> + if (!mdiodev->reset)
> + return;
> +
> + gpiod_set_value(mdiodev->reset, value);
> +
> + d = value ? mdiodev->reset_delay : mdiodev->reset_post_delay;
> + if (d)
> + usleep_range(d, d + min_t(unsigned int, d / 10, 100));

Oops, I meant "max_t", not "min_t", else the upper limit can be "d + 0",
which is not what we want.

Sorry, my fault.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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