linux-kernel - [PATCH 16/21] usb: phy: Probe phy devices on demand

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Date:	Mon, 25 May 2015 16:53:20 +0200
From:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Stéphane Marchesin 
	<stephane.marchesin@...il.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Alexander Holler <holler@...oftware.de>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 16/21] usb: phy: Probe phy devices on demand

When looking up a phy through its DT node, ensure that the corresponding
device has been registered.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---
 drivers/usb/phy/phy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index d1cd6b5..7084f21 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -13,6 +13,7 @@
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/module.h>
+#include <linux/of_platform.h>
 #include <linux/slab.h>
 #include <linux/of.h>
 
@@ -192,6 +193,8 @@ struct usb_phy *devm_usb_get_phy_by_phandle(struct device *dev,
 		goto err0;
 	}
 
+	of_platform_device_ensure(node);
+
 	spin_lock_irqsave(&phy_lock, flags);
 
 	phy = __of_usb_find_phy(node);
-- 
2.4.1

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