url_csr_read_2
url_csr_write_2(un, reg, url_csr_read_2(un, reg) | (x))
url_csr_write_2(un, reg, url_csr_read_2(un, reg) & ~(x))
rcr = url_csr_read_2(un, URL_RCR);
data = url_csr_read_2(un, reg);
val = url_csr_read_2(un, URL_PHYDAT);
static int url_csr_read_2(struct usbnet *, int);