On Friday 31 July 2015 20:11:08 Pali Rohár wrote: > On Friday 31 July 2015 19:30:34 Dmitry Torokhov wrote: > > 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. > > Ok, then limiting just to TPPS/2 and PS/2 protocols. > Dmitry, do you have some idea how to achieve this? Modifying psmouse_extensions() function or extending max_proto variable? -- Pali Rohár pali.rohar@xxxxxxxxx -- 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
