linux-kernel - [PATCH 2/2] ohci-platform: register HCD provider

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Date:	Tue, 12 Jul 2016 14:35:20 +0200
From:	Rafał Miłecki <zajec5@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-usb@...r.kernel.org, linux-leds@...r.kernel.org,
	devicetree@...r.kernel.org,
	Rafał Miłecki <zajec5@...il.com>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/2] ohci-platform: register HCD provider

This allows platforms using e.g. "generic-ohci" to reference HCD using
recently introduced providers mechanism

Signed-off-by: Rafał Miłecki <zajec5@...il.com>
---
 drivers/usb/host/ohci-platform.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 898b740..57be81c 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -28,6 +28,7 @@
 #include <linux/usb/ohci_pdriver.h>
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
+#include <linux/usb/provider.h>
 
 #include "ohci.h"
 
@@ -40,6 +41,7 @@ struct ohci_platform_priv {
 	struct clk *clks[OHCI_MAX_CLKS];
 	struct reset_control *resets[OHCI_MAX_RESETS];
 	struct phy **phys;
+	struct hcd_provider *hcd_provider;
 	int num_phys;
 };
 
@@ -258,6 +260,11 @@ static int ohci_platform_probe(struct platform_device *dev)
 	if (err)
 		goto err_power;
 
+	if (dev->dev.of_node)
+		priv->hcd_provider = of_hcd_provider_register(dev->dev.of_node,
+							      of_hcd_xlate_simple,
+							      hcd);
+
 	device_wakeup_enable(hcd->self.controller);
 
 	platform_set_drvdata(dev, hcd);
@@ -289,6 +296,8 @@ static int ohci_platform_remove(struct platform_device *dev)
 	struct ohci_platform_priv *priv = hcd_to_ohci_priv(hcd);
 	int clk, rst;
 
+	of_hcd_provider_unregister(priv->hcd_provider);
+
 	usb_remove_hcd(hcd);
 
 	if (pdata->power_off)
-- 
1.8.4.5