On 03/11/2016 08:19 AM, Uwe Kleine-König wrote: > Hello Yegor, > > On Fri, Mar 11, 2016 at 05:06:30PM +0100, Yegor Yefremov wrote: >> On Thu, Mar 10, 2016 at 8:55 PM, Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> wrote: >>> On 03/10/2016 08:36 AM, Peter Hurley wrote: >>>> Rather, transform >>>> >>>> serial_out(port, UART_MCR, val); >>>> serial_port_out(up, UART_MCR, val); >>>> >>>> to >>>> >>>> serial8250_out_MCR(up, val); >>>> >>>> and add the gpio setting to that. >>>> Do the transform first in a prequel patch; then add gpio to that. >>>> >>>> Similarly for serial_in(port, UART_MCR) >> >> To implement serial8250_in_MCR() we will need something like >> mctrl_gpio_get_mcr(), because mctrl_gpio_get() returns only GPIO >> values in input mode. Peter, Uwe what do you think about it? mctrl_gpio_read() ? > I don't know 8250 good enough to understand the problem here. Is MCR the > register to set the (output) handshake lines? Why do you need this? Save and restore, probably. -- 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
