AT91_UDP_ESR
if (at91_udp_read(udc, AT91_UDP_GLB_STAT) & AT91_UDP_ESR)
tmp |= AT91_UDP_ESR;
tmp &= ~AT91_UDP_ESR;
(tmp & AT91_UDP_ESR) ? " esr" : "",
if (!(glbstate & AT91_UDP_ESR))
glbstate |= AT91_UDP_ESR;