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From: Peter Geis <pgwipeout@gmail.com>
To: Heiko Stuebner <heiko@sntech.de>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>, Peter Geis <pgwipeout@gmail.com>,
	Samuel Holland <samuel@sholland.org>
Cc: Markus Reichl <m.reichl@fivetechno.de>,
	Michael Riesch <michael.riesch@wolfvision.net>,
	linux-phy@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] phy: rockchip-inno-usb2: Return zero after otg sync
Date: Tue, 23 Aug 2022 10:47:28 -0400	[thread overview]
Message-ID: <20220823144728.47068-1-pgwipeout@gmail.com> (raw)

The otg sync state patch reuses the ret variable, but fails to set it to
zero after use. This leads to a situation when the otg port is in
peripheral mode where the otg phy aborts halfway through setup.  It also
fails to account for a failure to register the extcon notifier. Fix this
by using our own variable and skipping otg sync in case of failure.

Fixes: 8dc60f8da22f ("phy: rockchip-inno-usb2: Sync initial otg state")

Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Reported-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
---
 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 0b1e9337ee8e..d579a22c61df 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1124,7 +1124,7 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					  struct rockchip_usb2phy_port *rport,
 					  struct device_node *child_np)
 {
-	int ret;
+	int ret, id;
 
 	rport->port_id = USB2PHY_PORT_OTG;
 	rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
@@ -1164,11 +1164,12 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					EXTCON_USB_HOST, &rport->event_nb);
 		if (ret)
 			dev_err(rphy->dev, "register USB HOST notifier failed\n");
+			goto out;
 
 		if (!of_property_read_bool(rphy->dev->of_node, "extcon")) {
 			/* do initial sync of usb state */
-			ret = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
-			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !ret);
+			id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
+			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id);
 		}
 	}
 
-- 
2.25.1


-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

WARNING: multiple messages have this Message-ID (diff)
From: Peter Geis <pgwipeout@gmail.com>
To: Heiko Stuebner <heiko@sntech.de>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>, Peter Geis <pgwipeout@gmail.com>,
	Samuel Holland <samuel@sholland.org>
Cc: Markus Reichl <m.reichl@fivetechno.de>,
	Michael Riesch <michael.riesch@wolfvision.net>,
	linux-phy@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] phy: rockchip-inno-usb2: Return zero after otg sync
Date: Tue, 23 Aug 2022 10:47:28 -0400	[thread overview]
Message-ID: <20220823144728.47068-1-pgwipeout@gmail.com> (raw)

The otg sync state patch reuses the ret variable, but fails to set it to
zero after use. This leads to a situation when the otg port is in
peripheral mode where the otg phy aborts halfway through setup.  It also
fails to account for a failure to register the extcon notifier. Fix this
by using our own variable and skipping otg sync in case of failure.

Fixes: 8dc60f8da22f ("phy: rockchip-inno-usb2: Sync initial otg state")

Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Reported-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
---
 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 0b1e9337ee8e..d579a22c61df 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1124,7 +1124,7 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					  struct rockchip_usb2phy_port *rport,
 					  struct device_node *child_np)
 {
-	int ret;
+	int ret, id;
 
 	rport->port_id = USB2PHY_PORT_OTG;
 	rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
@@ -1164,11 +1164,12 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					EXTCON_USB_HOST, &rport->event_nb);
 		if (ret)
 			dev_err(rphy->dev, "register USB HOST notifier failed\n");
+			goto out;
 
 		if (!of_property_read_bool(rphy->dev->of_node, "extcon")) {
 			/* do initial sync of usb state */
-			ret = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
-			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !ret);
+			id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
+			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id);
 		}
 	}
 
-- 
2.25.1


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

WARNING: multiple messages have this Message-ID (diff)
From: Peter Geis <pgwipeout@gmail.com>
To: Heiko Stuebner <heiko@sntech.de>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>, Peter Geis <pgwipeout@gmail.com>,
	Samuel Holland <samuel@sholland.org>
Cc: Markus Reichl <m.reichl@fivetechno.de>,
	Michael Riesch <michael.riesch@wolfvision.net>,
	linux-phy@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] phy: rockchip-inno-usb2: Return zero after otg sync
Date: Tue, 23 Aug 2022 10:47:28 -0400	[thread overview]
Message-ID: <20220823144728.47068-1-pgwipeout@gmail.com> (raw)

The otg sync state patch reuses the ret variable, but fails to set it to
zero after use. This leads to a situation when the otg port is in
peripheral mode where the otg phy aborts halfway through setup.  It also
fails to account for a failure to register the extcon notifier. Fix this
by using our own variable and skipping otg sync in case of failure.

Fixes: 8dc60f8da22f ("phy: rockchip-inno-usb2: Sync initial otg state")

Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Reported-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
---
 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 0b1e9337ee8e..d579a22c61df 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1124,7 +1124,7 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					  struct rockchip_usb2phy_port *rport,
 					  struct device_node *child_np)
 {
-	int ret;
+	int ret, id;
 
 	rport->port_id = USB2PHY_PORT_OTG;
 	rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
@@ -1164,11 +1164,12 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					EXTCON_USB_HOST, &rport->event_nb);
 		if (ret)
 			dev_err(rphy->dev, "register USB HOST notifier failed\n");
+			goto out;
 
 		if (!of_property_read_bool(rphy->dev->of_node, "extcon")) {
 			/* do initial sync of usb state */
-			ret = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
-			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !ret);
+			id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
+			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id);
 		}
 	}
 
-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Peter Geis <pgwipeout@gmail.com>
To: Heiko Stuebner <heiko@sntech.de>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>, Peter Geis <pgwipeout@gmail.com>,
	Samuel Holland <samuel@sholland.org>
Cc: Markus Reichl <m.reichl@fivetechno.de>,
	Michael Riesch <michael.riesch@wolfvision.net>,
	linux-phy@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] phy: rockchip-inno-usb2: Return zero after otg sync
Date: Tue, 23 Aug 2022 10:47:28 -0400	[thread overview]
Message-ID: <20220823144728.47068-1-pgwipeout@gmail.com> (raw)

The otg sync state patch reuses the ret variable, but fails to set it to
zero after use. This leads to a situation when the otg port is in
peripheral mode where the otg phy aborts halfway through setup.  It also
fails to account for a failure to register the extcon notifier. Fix this
by using our own variable and skipping otg sync in case of failure.

Fixes: 8dc60f8da22f ("phy: rockchip-inno-usb2: Sync initial otg state")

Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Reported-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
---
 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 0b1e9337ee8e..d579a22c61df 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1124,7 +1124,7 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					  struct rockchip_usb2phy_port *rport,
 					  struct device_node *child_np)
 {
-	int ret;
+	int ret, id;
 
 	rport->port_id = USB2PHY_PORT_OTG;
 	rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
@@ -1164,11 +1164,12 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy,
 					EXTCON_USB_HOST, &rport->event_nb);
 		if (ret)
 			dev_err(rphy->dev, "register USB HOST notifier failed\n");
+			goto out;
 
 		if (!of_property_read_bool(rphy->dev->of_node, "extcon")) {
 			/* do initial sync of usb state */
-			ret = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
-			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !ret);
+			id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id);
+			extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id);
 		}
 	}
 
-- 
2.25.1


             reply	other threads:[~2022-08-23 14:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-23 14:47 Peter Geis [this message]
2022-08-23 14:47 ` [PATCH v2] phy: rockchip-inno-usb2: Return zero after otg sync Peter Geis
2022-08-23 14:47 ` Peter Geis
2022-08-23 14:47 ` Peter Geis
2022-08-23 18:48 ` Heiko Stübner
2022-08-23 18:48   ` Heiko Stübner
2022-08-23 18:48   ` Heiko Stübner
2022-08-23 18:48   ` Heiko Stübner
2022-08-24  5:33 ` Michael Riesch
2022-08-24  5:33   ` Michael Riesch
2022-08-24  5:33   ` Michael Riesch
2022-08-24  5:33   ` Michael Riesch
2022-08-24 10:17   ` Peter Geis
2022-08-24 10:17     ` Peter Geis
2022-08-24 10:17     ` Peter Geis
2022-08-24 10:17     ` Peter Geis

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