Sourav Poddar <sourav.poddar@xxxxxx> writes: > With dt boot, uart wakeup after suspend is non functional while using > "no_console_suspend" in the bootargs. With "no_console_suspend" used, we > should prevent the runtime suspend of the uart port which is getting used > as an console. > > Cc: Santosh Shilimkar<santosh.shilimkar@xxxxxx> > Cc: Felipe Balbi<balbi@xxxxxx> > Cc: Rajendra nayak<rnayak@xxxxxx> > Tested on omap5430evm, omap4430sdp. > > Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx> Rather than make these special checks inside the driver's runtime PM callbacks, you should just disable runtime PM (pm_runtime_disable()) Then, this should be broken into 2 patches. 1) serial core: add the '->is_console' flag. (nit on naming: don't call it port_is_console, since the struct is already a uart_port) 2) In the OMAP UART driver's ->prepare callback, check the is_console flag and pm_runtime_disable() accordingly (then pm_runtime_enable() in the drivers's ->complete callback. Kevin -- 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
