usb: chipidea: usbmisc_imx: Move the reading of USB_PHY_CTRL

If 'evdo' property is not defined, then reading the MX25_USB_PHY_CTRL_OFFSET
register is an unneeded operation.

Move the reading of MX25_USB_PHY_CTRL_OFFSET inside the 'evdo' if block code,
where it is actually used.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 926c997..29200eb 100644 (file)
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -117,10 +117,9 @@ static int usbmisc_imx25_post(struct imx_usbmisc_data *data)
        if (data->index > 2)
                return -EINVAL;
 
-       reg = usbmisc->base + MX25_USB_PHY_CTRL_OFFSET;
-
        if (data->evdo) {
                spin_lock_irqsave(&usbmisc->lock, flags);
+               reg = usbmisc->base + MX25_USB_PHY_CTRL_OFFSET;
                val = readl(reg);
                writel(val | MX25_BM_EXTERNAL_VBUS_DIVIDER, reg);
                spin_unlock_irqrestore(&usbmisc->lock, flags);