linux-kernel - [PATCH v3 6/6] USB: MUSB: OMAP: get PHY by phandle for dt boot

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Date:	Fri, 25 Jan 2013 16:19:10 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<balbi@...com>, <linux-omap@...r.kernel.org>,
	<linux-usb@...r.kernel.org>, <gregkh@...uxfoundation.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH v3 6/6] USB: MUSB: OMAP: get PHY by phandle for dt boot

The OMAP glue has been modified to get PHY by phandle for dt boot.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
There were some comments w.r.t this patch for returning EPROBE_DEFER if
not able to get the phy, in my previous version.
Currently we can't have that because the gadget driver doesn't do a
EPROBE_DEFER. We have a separate activity planned for making gadget driver
also do EPROBE_DEFER for 3.10.
 drivers/usb/musb/omap2430.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index be6d259..08814d2 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -345,7 +345,12 @@ static int omap2430_musb_init(struct musb *musb)
 	 * up through ULPI.  TWL4030-family PMICs include one,
 	 * which needs a driver, drivers aren't always needed.
 	 */
-	musb->xceiv = devm_usb_get_phy_dev(dev, 0);
+	if (dev->parent->of_node)
+		musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent,
+		    "usb-phy", 0);
+	else
+		musb->xceiv = devm_usb_get_phy_dev(dev, 0);
+
 	if (IS_ERR_OR_NULL(musb->xceiv)) {
 		pr_err("HS USB OTG: no transceiver configured\n");
 		return -ENODEV;
-- 
1.7.9.5

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