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usb: chipidea: usbmisc_imx: Move the reading of USB_PHY_CTRL

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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>
This commit is contained in:
Fabio Estevam 2014-11-26 13:44:25 +08:00 committed by Greg Kroah-Hartman
parent 73529828cf
commit 8d1dc4d055
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/chipidea/usbmisc_imx.c
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@ -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);