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authorFabio Estevam <fabio.estevam@freescale.com>2014-11-26 13:44:26 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-26 09:28:12 -0800
commit4a1d6cf156dcf436e5037375007116197f03bfb1 (patch)
treecb521a306d4b760f8e599aed37250b4752f4a5e7 /drivers/usb
parent8d1dc4d055faafafca3edd8499aeeef3f77803e4 (diff)
downloadlinux-4a1d6cf156dcf436e5037375007116197f03bfb1.tar.bz2
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 29200ebdd357..58591e9dcede 100644
--- 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);