>Well, I thought I had explained that I'd prefer to see the poll rate >adjusted with the baud rate, but maybe I wasn't explicit enough. >Instead, what we seem to have ended up with are two new entries in >platform data (which we're trying to get away from with DT): > >+ unsigned int dma_rx_poll_rate; >+ unsigned int dma_rx_poll_timeout; > >If this were to be done, then receive DMA could be used on the Versatile >PB platforms without having it suck CPU usage unnecessarily at slower >baud rates. This patch is working well on our pl011+ pl080 platform. If no data is received during time-out, no tick timer works. Do you want to adjust the poll rate with the baud rate additionally? -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
