Re: [PATCH, RFC] wake up from a serial port

2007-08-20 Thread Guennadi Liakhovetski
Enable wakeup from serial ports, make it run-time configurable over sysfs, e.g., echo enabled > /sys/devices/platform/serial8250.0/tty/ttyS0/power/wakeup Requires # CONFIG_SYSFS_DEPRECATED is not set Signed-off-by: Guennadi Liakhovetski <[EMAIL PROTECTED]> --- (I still find it strange having

Re: [PATCH, RFC] wake up from a serial port

2007-08-13 Thread Greg KH
On Mon, Aug 13, 2007 at 11:14:22PM +0200, Guennadi Liakhovetski wrote: > On Mon, 13 Aug 2007, Scott Wood wrote: > > > Guennadi Liakhovetski wrote: > > > > > > # ls -l /sys/devices/platform/serial8250.0/tty* > > > lrwxrwxrwx 1 root root 0 Aug 13 22:05 > > > /sys/devices/platform/serial8250.0/tty:t

Re: [PATCH, RFC] wake up from a serial port

2007-08-13 Thread Guennadi Liakhovetski
On Mon, 13 Aug 2007, Scott Wood wrote: > Guennadi Liakhovetski wrote: > > > > # ls -l /sys/devices/platform/serial8250.0/tty* > > lrwxrwxrwx 1 root root 0 Aug 13 22:05 > > /sys/devices/platform/serial8250.0/tty:ttyS0 -> ../../../class/tty/ttyS0 > > lrwxrwxrwx 1 root root 0 Aug 13 22:05 > > /sys/d

Re: [PATCH, RFC] wake up from a serial port

2007-08-13 Thread Scott Wood
Guennadi Liakhovetski wrote: > Well, sort of. One of them is more "natural" - it has a button on the > front panel, to use the other one you have to modify the hardware. > However, I like the idea - generally it does seem to be a better approach > to have it run-time configurable over sysfs... O

Re: [PATCH, RFC] wake up from a serial port

2007-08-13 Thread Guennadi Liakhovetski
On Mon, 13 Aug 2007, Scott Wood wrote: > On Mon, Aug 13, 2007 at 12:27:30AM +0200, Guennadi Liakhovetski wrote: > > A number of Linkstation models from Buffalo Technology with PPC, ARM, and > > also MIPS (I think) CPUs have a power-management controller connected to a > > UART. Among other thing

Re: [PATCH, RFC] wake up from a serial port

2007-08-13 Thread Scott Wood
On Mon, Aug 13, 2007 at 12:27:30AM +0200, Guennadi Liakhovetski wrote: > A number of Linkstation models from Buffalo Technology with PPC, ARM, and > also MIPS (I think) CPUs have a power-management controller connected to a > UART. Among other things that chip controlls power and reset buttons.

[PATCH, RFC] wake up from a serial port

2007-08-12 Thread Guennadi Liakhovetski
A number of Linkstation models from Buffalo Technology with PPC, ARM, and also MIPS (I think) CPUs have a power-management controller connected to a UART. Among other things that chip controlls power and reset buttons. Working on a standby support for one of these systems (ppc mpc8241 based), t