linux-kernel - [PATCH 2/3] usb: ehci-platform: Use devm_of_phy_get_by

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Date:	Fri, 20 Mar 2015 14:07:09 -0700
From:	Arun Ramamurthy <arun.ramamurthy@...adcom.com>
To:	Kishon Vijay Abraham I <kishon@...com>,
	Tony Prisk <linux@...sktech.co.nz>,
	Alan Stern <stern@...land.harvard.edu>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, Dmitry Torokhov <dtor@...gle.com>,
	"Anatol Pomazau" <anatol@...gle.com>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	<bcm-kernel-feedback-list@...adcom.com>,
	Arun Ramamurthy <arun.ramamurthy@...adcom.com>
Subject: [PATCH 2/3] usb: ehci-platform: Use devm_of_phy_get_by_index

Getting phys by index instead of phy names so that the dt
bindings phy-names remain consistent when multiple phys are present

Reviewed-by: Ray Jui <rjui@...adcom.com>
Reviewed-by: Scott Branden <sbranden@...adcom.com>
Signed-off-by: Arun Ramamurthy <arun.ramamurthy@...adcom.com>
---
 drivers/usb/host/ehci-platform.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index d8a75a5..8b0c7ae 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -154,7 +154,6 @@ static int ehci_platform_probe(struct platform_device *dev)
 	struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev);
 	struct ehci_platform_priv *priv;
 	struct ehci_hcd *ehci;
-	const char *phy_name;
 	int err, irq, phy_num, clk = 0;
 
 	if (usb_disabled())
@@ -212,21 +211,10 @@ static int ehci_platform_probe(struct platform_device *dev)
 			return -ENOMEM;
 
 		for (phy_num = 0; phy_num < priv->num_phys; phy_num++) {
-				err = of_property_read_string_index(
-						dev->dev.of_node,
-						"phy-names", phy_num,
-						&phy_name);
-
-				if (err < 0) {
-					if (priv->num_phys > 1) {
-						dev_err(&dev->dev, "phy-names not provided");
-						goto err_put_hcd;
-					} else
-						phy_name = "usb";
-				}
-
-				priv->phys[phy_num] = devm_phy_get(&dev->dev,
-						phy_name);
+				priv->phys[phy_num] =
+					devm_of_phy_get_by_index(&dev->dev,
+							dev->dev.of_node,
+							phy_num);
 				if (IS_ERR(priv->phys[phy_num])) {
 					err = PTR_ERR(priv->phys[phy_num]);
 					if ((priv->num_phys > 1) ||
-- 
2.3.2

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