linux-kernel - [PATCH] USB: ehci/mxc: compile fix

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Message-Id: <1288337869-378-1-git-send-email-u.kleine-koenig@pengutronix.de>
Date:	Fri, 29 Oct 2010 09:37:49 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Greg KH <gregkh@...e.de>
Cc:	matthieu.castet@...rot.com, stern@...land.harvard.edu,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	Nguyen Dinh-R00091 <R00091@...escale.com>
Subject: [PATCH] USB: ehci/mxc: compile fix

65fd42724aee31018b0bb53f4cb04971423be664 broke the build using
ARM's mx51_defconfig:

 	  CC      drivers/usb/host/ehci-hcd.o
 	In file included from drivers/usb/host/ehci-hcd.c:1166:
 	drivers/usb/host/ehci-mxc.c: In function 'ehci_mxc_drv_probe':
 	drivers/usb/host/ehci-mxc.c:192: error: 'ehci' undeclared (first use in this function)
 	drivers/usb/host/ehci-mxc.c:192: error: (Each undeclared identifier is reported only once
 	drivers/usb/host/ehci-mxc.c:192: error: for each function it appears in.)
 	drivers/usb/host/ehci-mxc.c:117: warning: unused variable 'temp'
 	make[3]: *** [drivers/usb/host/ehci-hcd.o] Error 1
 	make[2]: *** [drivers/usb/host/ehci-hcd.o] Error 2
 	make[1]: *** [sub-make] Error 2
 	make: *** [all] Error 2

Fix it together with the warnung about the unused variable.

Tested-by: Dinh Nguyen <Dinh.Nguyen@...escale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---
 drivers/usb/host/ehci-mxc.c |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index ac9c4d7..70edb11 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -36,6 +36,8 @@ struct ehci_mxc_priv {
 static int ehci_mxc_setup(struct usb_hcd *hcd)
 {
 	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	struct device *dev = hcd->self.controller;
+	struct mxc_usbh_platform_data *pdata = dev_get_platdata(dev);
 	int retval;
 
 	/* EHCI registers start at offset 0x100 */
@@ -64,6 +66,11 @@ static int ehci_mxc_setup(struct usb_hcd *hcd)
 	ehci_reset(ehci);
 
 	ehci_port_power(ehci, 0);
+
+	/* set up the PORTSCx register */
+	ehci_writel(ehci, pdata->portsc, &ehci->regs->port_status[0]);
+	mdelay(10);
+
 	return 0;
 }
 
@@ -114,7 +121,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
 	struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data;
 	struct usb_hcd *hcd;
 	struct resource *res;
-	int irq, ret, temp;
+	int irq, ret;
 	struct ehci_mxc_priv *priv;
 	struct device *dev = &pdev->dev;
 
@@ -188,10 +195,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
 		clk_enable(priv->ahbclk);
 	}
 
-	/* set up the PORTSCx register */
-	ehci_writel(ehci, pdata->portsc, &ehci->regs->port_status[0]);
-	mdelay(10);
-
 	/* setup specific usb hw */
 	ret = mxc_initialize_usb_hw(pdev->id, pdata->flags);
 	if (ret < 0)
-- 
1.7.2.3

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