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From:   Haotien Hsu <haotienh@nvidia.com>
To:     Philipp Zabel <p.zabel@pengutronix.de>,
        Vinod Koul <vkoul@kernel.org>
CC:     JC Kuo <jckuo@nvidia.com>, Kishon Vijay Abraham I <kishon@ti.com>,
        "Thierry Reding" <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        <linux-phy@lists.infradead.org>, <linux-tegra@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, Haotien Hsu <haotienh@nvidia.com>,
        "Wayne Chang" <waynec@nvidia.com>
Subject: [PATCH] phy: tegra: xusb: Remove usb3 supply
Date:   Wed, 5 Oct 2022 16:40:31 +0800
Message-ID: <20221005084031.2154251-1-haotienh@nvidia.com>
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From: Wayne Chang <waynec@nvidia.com>

Remove redundant codes for getting the vbus supply of usb3 ports because
we get and control the vbus supply by the companion usb2 ports

Signed-off-by: Wayne Chang <waynec@nvidia.com>
Signed-off-by: Haotien Hsu <haotienh@nvidia.com>
---
 drivers/phy/tegra/xusb-tegra124.c |  1 -
 drivers/phy/tegra/xusb-tegra186.c |  1 -
 drivers/phy/tegra/xusb-tegra210.c |  1 -
 drivers/phy/tegra/xusb.c          | 10 +---------
 drivers/phy/tegra/xusb.h          |  2 --
 5 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/phy/tegra/xusb-tegra124.c b/drivers/phy/tegra/xusb-tegra124.c
index db56c7fbe60b..f4f75ea033b8 100644
--- a/drivers/phy/tegra/xusb-tegra124.c
+++ b/drivers/phy/tegra/xusb-tegra124.c
@@ -1652,7 +1652,6 @@ tegra124_usb3_port_map(struct tegra_xusb_port *port)
 
 static const struct tegra_xusb_port_ops tegra124_usb3_port_ops = {
 	.release = tegra_xusb_usb3_port_release,
-	.remove = tegra_xusb_usb3_port_remove,
 	.enable = tegra124_usb3_port_enable,
 	.disable = tegra124_usb3_port_disable,
 	.map = tegra124_usb3_port_map,
diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index f6099609f154..25db49789f41 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -1213,7 +1213,6 @@ tegra186_usb3_port_map(struct tegra_xusb_port *port)
 
 static const struct tegra_xusb_port_ops tegra186_usb3_port_ops = {
 	.release = tegra_xusb_usb3_port_release,
-	.remove = tegra_xusb_usb3_port_remove,
 	.enable = tegra186_usb3_port_enable,
 	.disable = tegra186_usb3_port_disable,
 	.map = tegra186_usb3_port_map,
diff --git a/drivers/phy/tegra/xusb-tegra210.c b/drivers/phy/tegra/xusb-tegra210.c
index eedfc7c2cc05..ebc8a7e21a31 100644
--- a/drivers/phy/tegra/xusb-tegra210.c
+++ b/drivers/phy/tegra/xusb-tegra210.c
@@ -3078,7 +3078,6 @@ tegra210_usb3_port_map(struct tegra_xusb_port *port)
 
 static const struct tegra_xusb_port_ops tegra210_usb3_port_ops = {
 	.release = tegra_xusb_usb3_port_release,
-	.remove = tegra_xusb_usb3_port_remove,
 	.enable = tegra210_usb3_port_enable,
 	.disable = tegra210_usb3_port_disable,
 	.map = tegra210_usb3_port_map,
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 46661a8d5bbc..0eaab6d846bf 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -960,8 +960,7 @@ static int tegra_xusb_usb3_port_parse_dt(struct tegra_xusb_usb3_port *usb3)
 			return -EINVAL;
 	}
 
-	usb3->supply = regulator_get(&port->dev, "vbus");
-	return PTR_ERR_OR_ZERO(usb3->supply);
+	return 0;
 }
 
 static int tegra_xusb_add_usb3_port(struct tegra_xusb_padctl *padctl,
@@ -1018,13 +1017,6 @@ void tegra_xusb_usb3_port_release(struct tegra_xusb_port *port)
 	kfree(usb3);
 }
 
-void tegra_xusb_usb3_port_remove(struct tegra_xusb_port *port)
-{
-	struct tegra_xusb_usb3_port *usb3 = to_usb3_port(port);
-
-	regulator_put(usb3->supply);
-}
-
 static void __tegra_xusb_remove_ports(struct tegra_xusb_padctl *padctl)
 {
 	struct tegra_xusb_port *port, *tmp;
diff --git a/drivers/phy/tegra/xusb.h b/drivers/phy/tegra/xusb.h
index d66b22bfeaa7..1b6b780efeec 100644
--- a/drivers/phy/tegra/xusb.h
+++ b/drivers/phy/tegra/xusb.h
@@ -360,7 +360,6 @@ void tegra_xusb_hsic_port_release(struct tegra_xusb_port *port);
 
 struct tegra_xusb_usb3_port {
 	struct tegra_xusb_port base;
-	struct regulator *supply;
 	bool context_saved;
 	unsigned int port;
 	bool internal;
@@ -382,7 +381,6 @@ struct tegra_xusb_usb3_port *
 tegra_xusb_find_usb3_port(struct tegra_xusb_padctl *padctl,
 			  unsigned int index);
 void tegra_xusb_usb3_port_release(struct tegra_xusb_port *port);
-void tegra_xusb_usb3_port_remove(struct tegra_xusb_port *port);
 
 struct tegra_xusb_port_ops {
 	void (*release)(struct tegra_xusb_port *port);
-- 
2.25.1