Commit 1ddc4c61 authored Sep 21, 2018 by Yoshihiro Shimoda Committed by Greg Kroah-Hartman Nov 20, 2019

phy: renesas: rcar-gen3-usb2: fix vbus_ctrl for role sysfs



[ Upstream commit 09938ea9d136243e8d1fed6d4d7a257764f28f6d ]

This patch fixes and issue that the vbus_ctrl is disabled by
rcar_gen3_init_from_a_peri_to_a_host(), so a usb host cannot
supply the vbus.

Note that this condition will exit when the otg irq happens
even if we don't apply this patch.

Fixes: 9bb86777 ("phy: rcar-gen3-usb2: add sysfs for usb role swap")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent d2c8e94b

drivers/phy/renesas/phy-rcar-gen3-usb2.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -195,7 +195,7 @@ static void rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch)
	val = readl(usb2_base + USB2_OBINTEN);		val = readl(usb2_base + USB2_OBINTEN);
	writel(val & ~USB2_OBINT_BITS, usb2_base + USB2_OBINTEN);		writel(val & ~USB2_OBINT_BITS, usb2_base + USB2_OBINTEN);

	rcar_gen3_enable_vbus_ctrl(ch, 0);		rcar_gen3_enable_vbus_ctrl(ch, 1);
	rcar_gen3_init_for_host(ch);		rcar_gen3_init_for_host(ch);

	writel(val \| USB2_OBINT_BITS, usb2_base + USB2_OBINTEN);		writel(val \| USB2_OBINT_BITS, usb2_base + USB2_OBINTEN);