korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-22 04:31:58 +08:00
Code Issues Packages Projects Releases Wiki Activity

usb: chipidea: usbmisc_imx: Read MX53_USB_OTG_PHY_CTRL_1_OFFSET directly

Browse Source 
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>
This commit is contained in:
Fabio Estevam 2014-11-26 13:44:26 +08:00 committed by Greg Kroah-Hartman
parent 8d1dc4d055
commit 4a1d6cf156
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/chipidea/usbmisc_imx.c
View File

@ -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);