linux-kernel - [PATCH] phy: tegra: xusb: Enable usb role switch attribute

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Message-ID: <20220921112500.798282-1-haotienh@nvidia.com>
Date:   Wed, 21 Sep 2022 19:25:00 +0800
From:   Haotien Hsu <haotienh@...dia.com>
To:     <p.zabel@...gutronix.de>
CC:     <jckuo@...dia.com>, <kishon@...com>, <vkoul@...nel.org>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <linux-phy@...ts.infradead.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Wayne Chang <waynec@...dia.com>,
        Haotien Hsu <haotienh@...dia.com>
Subject: [PATCH] phy: tegra: xusb: Enable usb role switch attribute

From: Wayne Chang <waynec@...dia.com>

This patch enables the usb-role-switch atrribute
to have the user-space check current device role
of otg cability ports

Signed-off-by: Wayne Chang <waynec@...dia.com>
Signed-off-by: Haotien Hsu <haotienh@...dia.com>
---
 drivers/phy/tegra/xusb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index aa5237eacd29..220ab7719ade 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -656,6 +656,7 @@ static int tegra_xusb_setup_usb_role_switch(struct tegra_xusb_port *port)
 	struct usb_role_switch_desc role_sx_desc = {
 		.fwnode = dev_fwnode(&port->dev),
 		.set = tegra_xusb_role_sw_set,
+		.allow_userspace_control = true,
 	};
 	int err = 0;
 
-- 
2.25.1