* Paul Walmsley <paul@xxxxxxxxx> [140714 10:32]: > On Mon, 7 Jul 2014, Tony Lindgren wrote: > > > With v3.16-rc4 the PM features for omap3 should be working > > finally for device tree based booting. At lest beaglexm and > > 3xxevm should work. > > > > Maybe you are using legacy booting path to idle the UARTs still? > > > > FYI, I'm doing this to find the UART entries: > > > > uarts=$(find /sys/class/tty/ttyO*/device/power/ -type d) > > for uart in $uarts; do > > echo 3000 > $uart/autosuspend_delay_ms > > done > > > > uarts=$(find /sys/class/tty/ttyO*/power/ -type d) > > for uart in $uarts; do > > echo enabled > $uart/wakeup > > echo auto > $uart/control > > done > > > > echo 1 > /sys/kernel/debug/pm_debug/enable_off_mode > > OK thanks, I'll take a close look at it. It's not using the legacy paths, > but based on a glance at the 37xxevm logs, it looks like the bus address > of the UART isn't right. Hmm for which UART? I'm using ttyO2 on my 37xxevm FYI, it can be selected on the board based on some switch settings. I may have patched my u-boot for that too but don't remember for sure. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
