Commit 160396a7 authored by David S. Miller's avatar David S. Miller
Browse files

Revert "net: phy: mdio-gpio: Fix working over slow can_sleep GPIOs"



This reverts commit dfa0d55f.

Discussion still ongoing, I shouldn't have applied this.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5594923f
Loading
Loading
Loading
Loading
+5 −9
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ static void mdio_dir(struct mdiobb_ctrl *ctrl, int dir)
		 * assume the pin serves as pull-up. If direction is
		 * output, the default value is high.
		 */
		gpiod_set_value_cansleep(bitbang->mdo, 1);
		gpiod_set_value(bitbang->mdo, 1);
		return;
	}

@@ -78,7 +78,7 @@ static int mdio_get(struct mdiobb_ctrl *ctrl)
	struct mdio_gpio_info *bitbang =
		container_of(ctrl, struct mdio_gpio_info, ctrl);

	return gpiod_get_value_cansleep(bitbang->mdio);
	return gpiod_get_value(bitbang->mdio);
}

static void mdio_set(struct mdiobb_ctrl *ctrl, int what)
@@ -87,9 +87,9 @@ static void mdio_set(struct mdiobb_ctrl *ctrl, int what)
		container_of(ctrl, struct mdio_gpio_info, ctrl);

	if (bitbang->mdo)
		gpiod_set_value_cansleep(bitbang->mdo, what);
		gpiod_set_value(bitbang->mdo, what);
	else
		gpiod_set_value_cansleep(bitbang->mdio, what);
		gpiod_set_value(bitbang->mdio, what);
}

static void mdc_set(struct mdiobb_ctrl *ctrl, int what)
@@ -97,7 +97,7 @@ static void mdc_set(struct mdiobb_ctrl *ctrl, int what)
	struct mdio_gpio_info *bitbang =
		container_of(ctrl, struct mdio_gpio_info, ctrl);

	gpiod_set_value_cansleep(bitbang->mdc, what);
	gpiod_set_value(bitbang->mdc, what);
}

static const struct mdiobb_ops mdio_gpio_ops = {
@@ -162,10 +162,6 @@ static int mdio_gpio_probe(struct platform_device *pdev)
	if (ret)
		return ret;

	if (gpiod_cansleep(bitbang->mdc) || gpiod_cansleep(bitbang->mdio) ||
	    gpiod_cansleep(bitbang->mdo))
		dev_warn(&pdev->dev, "Slow GPIO pins might wreak havoc into MDIO bus timing");

	if (pdev->dev.of_node) {
		bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
		if (bus_id < 0) {