enable_host1 1729 drivers/usb/host/imx21-hcd.c if (imx21->pdata->enable_host1) enable_host1 1798 drivers/usb/host/imx21-hcd.c .enable_host1 = 1, enable_host1 20 include/linux/platform_data/usb-mx2.h u16 enable_host1:1,