On Fri, Jul 31, 2015 at 07:17:02PM +0200, Pali Rohár wrote: > On Friday 31 July 2015 19:08:49 Dmitry Torokhov wrote: > > On Fri, Jul 31, 2015 at 06:59:21PM +0200, Pali Rohár wrote: > > > Hello, > > > > > > here is output from dmesg for psmouse.ko > > > > > > [ 266.378751] psmouse: calling psmouse_init() > > > [ 267.167150] psmouse serio1: synaptics: queried max coordinates: > > > x [..5676], y [..4758] [ 267.198416] psmouse serio1: synaptics: > > > queried min coordinates: x [1266..], y [1096..] [ 267.260402] > > > psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: > > > 0x1e2b1, caps: 0xf002a3/0x943300/0x12e800, board id: 3072, fw id: > > > 2560 > > > [ 267.260418] psmouse serio1: synaptics: serio: Synaptics > > > pass-through port at isa0060/serio1/input0 [ 267.299629] input: > > > SynPS/2 Synaptics TouchPad as > > > /devices/platform/i8042/serio1/input/input39 [ 268.697333] > > > psmouse serio4: cypress_ps2: send extension cmd 0x00, [0 0 0 0] [ > > > 269.259351] psmouse serio4: cypress_ps2: Command 0x00 response > > > data (0x): 00 00 14 [ 269.562762] psmouse serio4: alps: E6 > > > report: 00 00 64 > > > [ 269.825915] psmouse serio4: alps: E7 report: 10 00 64 > > > [ 270.086671] psmouse serio4: alps: EC report: 10 00 64 > > > [ 270.125866] psmouse serio4: alps: Likely not an ALPS touchpad: > > > E7=10 00 64, EC=10 00 64 [ 270.388147] psmouse serio4: elantech: > > > unexpected magic knock result 0x00, 0x02, 0x64. [ 271.390241] > > > psmouse serio4: trackpoint: IBM TrackPoint firmware: 0x0e, > > > buttons: 3/3 [ 271.586156] input: TPPS/2 IBM TrackPoint as > > > /devices/platform/i8042/serio1/serio4/input/input40 > > > > > > As you can see it takes about 5 seconds to initialize TrackPoint > > > input device. And about 3 seconds from stage after synaptics > > > export serio device. I think this is just because of trying to > > > detect device type. Is there any way how to speed it up? Maybe for > > > synaptics serio devices try to probe for TPPS/2 at first? > > > > Did you abandon your trusty Dell with ALPS? ;) > > > > No, I'm not going to do that :-) > > > Yes, I think we should limit the number of protocols that we probe on > > pass-through port to standard PS/2 flavors + TPPS/2 since I have > > never seen anything else there. > > > > Thanks. > > And If not limiting, at least changing order and preferring TPPS/2. Umm, that is not something I'll do lightly as it may lead to regressions: some devices are confused by other's probes and assing even more psmouse_reset() calls will slow down boot even more. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
