linux-kernel - [PATCH v2] phy: tegra: xusb: Enable usb role switch attribute

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Message-ID: <20220928125640.2219402-1-haotienh@nvidia.com>
Date:   Wed, 28 Sep 2022 20:56:40 +0800
From:   Haotien Hsu <haotienh@...dia.com>
To:     Philipp Zabel <p.zabel@...gutronix.de>
CC:     Haotien Hsu <haotienh@...dia.com>, Wayne Chang <waynec@...dia.com>,
        JC Kuo <jckuo@...dia.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        "Jonathan Hunter" <jonathanh@...dia.com>,
        <linux-phy@...ts.infradead.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] phy: tegra: xusb: Enable usb role switch attribute

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

This patch enables the usb-role-switch attribute and lets users check
the current device role of the otg capability ports

Signed-off-by: Wayne Chang <waynec@...dia.com>
Signed-off-by: Haotien Hsu <haotienh@...dia.com>
---
V1->V2
- Fix typo and changelog line limit
---
 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