From: Felipe Balbi <balbi@ti.com>
Date: Thu, 19 Jul 2012 10:38:06 +0000 (+0300)
Subject: usb: xceiv: nop: let it work as USB2 and USB3 phy
X-Git-Tag: firefly_0821_release~3680^2~1962^2~4^2~17
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=c84d364f8178d2bc12827836bf58eb45598262a4;p=firefly-linux-kernel-4.4.55.git

usb: xceiv: nop: let it work as USB2 and USB3 phy

We add a platform_data to pass the desired mode
for the nop-xceiv so it can work on USB2 and USB3
modes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
index 3c3ad6bb307c..e52e35e7adaf 100644
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ b/drivers/usb/otg/nop-usb-xceiv.c
@@ -95,7 +95,9 @@ static int nop_set_host(struct usb_otg *otg, struct usb_bus *host)
 
 static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev)
 {
+	struct nop_usb_xceiv_platform_data *pdata = pdev->dev.platform_data;
 	struct nop_usb_xceiv	*nop;
+	enum usb_phy_type	type = USB_PHY_TYPE_USB2;
 	int err;
 
 	nop = kzalloc(sizeof *nop, GFP_KERNEL);
@@ -108,6 +110,9 @@ static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	if (pdata)
+		type = pdata->type;
+
 	nop->dev		= &pdev->dev;
 	nop->phy.dev		= nop->dev;
 	nop->phy.label		= "nop-xceiv";
@@ -118,7 +123,7 @@ static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev)
 	nop->phy.otg->set_host		= nop_set_host;
 	nop->phy.otg->set_peripheral	= nop_set_peripheral;
 
-	err = usb_add_phy(&nop->phy, USB_PHY_TYPE_USB2);
+	err = usb_add_phy(&nop->phy, type);
 	if (err) {
 		dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
 			err);
diff --git a/include/linux/usb/nop-usb-xceiv.h b/include/linux/usb/nop-usb-xceiv.h
index ecc7562a38cc..28884c717411 100644
--- a/include/linux/usb/nop-usb-xceiv.h
+++ b/include/linux/usb/nop-usb-xceiv.h
@@ -1,6 +1,12 @@
 #ifndef __LINUX_USB_NOP_XCEIV_H
 #define __LINUX_USB_NOP_XCEIV_H
 
+#include <linux/usb/otg.h>
+
+struct nop_usb_xceiv_platform_data {
+	enum usb_phy_type type;
+};
+
 #if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE))
 /* sometimes transceivers are accessed only through e.g. ULPI */
 extern void usb_nop_xceiv_register(void);