usb: chipidea: usbmisc_imx: Read MX53_USB_OTG_PHY_CTRL_1_OFFSET directly

There is no need to do an intermediate step for reading the
MX53_USB_OTG_PHY_CTRL_1_OFFSET register.

Read it directly instead.

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 29200eb..58591e9 100644 (file)
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -171,8 +171,7 @@ static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
                return -EINVAL;
 
        /* Select a 24 MHz reference clock for the PHY  */
-       reg = usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET;
-       val = readl(reg);
+       val = readl(usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET);
        val &= ~MX53_USB_PHYCTRL1_PLLDIV_MASK;
        val |= MX53_USB_PLL_DIV_24_MHZ;
        writel(val, usbmisc->base + MX53_USB_OTG_PHY_CTRL_1_OFFSET);