linux-kernel - [PATCH v3 3/3] usb: host: ehci-platform: add spurious

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Message-Id: <20210223174455.1378-4-noltari@gmail.com>
Date:   Tue, 23 Feb 2021 18:44:55 +0100
From:   Álvaro Fernández Rojas 
        <noltari@...il.com>
To:     f.fainelli@...il.com, jonas.gorski@...il.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Tony Prisk <linux@...sktech.co.nz>, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Álvaro Fernández Rojas 
        <noltari@...il.com>
Subject: [PATCH v3 3/3] usb: host: ehci-platform: add spurious_oc DT support

Over-current reporting isn't supported on some platforms such as bcm63xx.
These devices will incorrectly report over-current if this flag isn't properly
activated.

Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
---
 v3: no changes.

 drivers/usb/host/ehci-platform.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 4d7b17f4f82b..c70f2d0b4aaf 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -286,6 +286,9 @@ static int ehci_platform_probe(struct platform_device *dev)
 		if (of_property_read_bool(dev->dev.of_node, "big-endian"))
 			ehci->big_endian_mmio = ehci->big_endian_desc = 1;
 
+		if (of_property_read_bool(dev->dev.of_node, "spurious-oc"))
+			ehci->spurious_oc = 1;
+
 		if (of_property_read_bool(dev->dev.of_node,
 					  "needs-reset-on-resume"))
 			priv->reset_on_resume = true;
-- 
2.20.1