From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Oliver Graute <oliver.graute@gmail.com>
Cc: linux-input@vger.kernel.org, dmitry.torokhov@gmail.com,
rydberg@bitmath.org, m.felsch@pengutronix.de, robh@kernel.org,
mylene.josserand@bootlin.com, p.zabel@pengutronix.de
Subject: Re: RFC: Input: edt-ft5x06 - FT6336G Touch Panel
Date: Mon, 2 Mar 2020 17:00:11 +0200 [thread overview]
Message-ID: <20200302150011.GC1224808@smile.fi.intel.com> (raw)
In-Reply-To: <20200302143035.GF16310@optiplex>
On Mon, Mar 02, 2020 at 03:30:35PM +0100, Oliver Graute wrote:
> Hello,
>
> I have on of these FT6336G Touch Panels here and I try to get it work
> with the ft6236 driver. It comes up with model identification "0x11". So
> I added that identification to the switch case in
> edt_ft5x06_ts_identify(). But it crashes directly after the probe with a
> corrupted stack. No clue why. Some ideas?
> * the identification registers.
> + case 0x11: /* EDT EP0110M09 */
I have a question, how do you know it's M09 flavour?
> [ 2.232596] i2c i2c-0: LPI2C adapter registered
> [ 2.238931] edt_ft5x06 1-0038: probing for EDT FT5x06 I2C
> [ 2.244369] edt_ft5x06 1-0038: 1-0038 supply vcc not found, using dummy regulator
> [ 2.257639] edt_ft5x06 1-0038: Model "EP0110M09", Rev. "�", 0x0 sensors
...because clearly here something wrong with Revision field.
> [ 2.264536] input: EP0110M09 as /devices/platform/bus@5a000000/5a820000.i2c/i2c-1/1-0038/input/input0
> [ 2.273920] edt_ft5x06 1-0038: EDT FT5x06 initialized: IRQ 35, WAKE pin -1, Reset pin -1.
> [ 2.282124] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: edt_ft5x06_ts_probe+0x9d4/0xa88
> [ 2.292830] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.6.0-rc1-next-20200214-00051-g9874f196742d #69
> [ 2.302224] Hardware name: Advantech iMX8QM DMSSE20 (DT)
> [ 2.307544] Workqueue: events deferred_probe_work_func
> [ 2.312686] Call trace:
> [ 2.315141] dump_backtrace+0x0/0x1c0
> [ 2.318802] show_stack+0x14/0x20
> [ 2.322124] dump_stack+0xb4/0xfc
> [ 2.325440] panic+0x158/0x320
> [ 2.328494] print_tainted+0x0/0xa8
> [ 2.331978] edt_ft5x06_ts_probe+0x9d4/0xa88
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-03-02 15:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-02 14:30 RFC: Input: edt-ft5x06 - FT6336G Touch Panel Oliver Graute
2020-03-02 15:00 ` Andy Shevchenko [this message]
2020-03-02 17:15 ` Oliver Graute
2020-03-02 18:43 ` Marco Felsch
2020-03-03 19:37 ` Oliver Graute
2020-03-04 7:10 ` Marco Felsch
2020-03-05 16:36 ` Oliver Graute
2020-03-16 14:57 ` Oliver Graute
2020-03-16 16:30 ` Andy Shevchenko
2020-03-16 20:01 ` Marco Felsch
2020-03-17 16:57 ` Oliver Graute
2020-03-17 17:40 ` Andy Shevchenko
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