Op 28 aug. 2012, om 07:34 heeft "AnilKumar, Chimata" <anilkumar@xxxxxx> het volgende geschreven: > Hi Koen, > > On Fri, Aug 24, 2012 at 13:32:17, Koen Kooi wrote: >> >> Op 24 aug. 2012, om 09:56 heeft Koen Kooi <koen@xxxxxxxxxxxxxxxxxxxxx> het volgende geschreven: >> >>> >>> Op 24 aug. 2012, om 09:26 heeft "AnilKumar, Chimata" <anilkumar@xxxxxx> het volgende geschreven: >>> >>>> Hi Koen, >>>> >>>> On Fri, Aug 24, 2012 at 11:58:34, Koen Kooi wrote: >>>>> >>>>> Op 24 aug. 2012, om 07:50 heeft "AnilKumar, Chimata" <anilkumar@xxxxxx> het volgende geschreven: >>>>> >>>>>> Hi Koen, >>>>>> >>>>>> On Thu, Aug 23, 2012 at 19:43:48, Koen Kooi wrote: >>>>>>> >>>>>>> Op 21 aug. 2012, om 13:17 heeft AnilKumar Ch <anilkumar@xxxxxx> het volgende geschreven: >>>>>>> >>>>>>>> Add tps65217 regulator device tree data to AM335x-Bone by adding >>>>>>>> regulator consumers with tightened constraints and regulator-name. >>>>>>>> TPS65217 regulator handle can be obtained by using this regulator >>>>>>>> name. >>>>>>>> >>>>>>>> This patch also add I2C node with I2C frequency and tps65217 PMIC >>>>>>>> I2C slave address. >>>>>>>> >>>>>>>> Signed-off-by: AnilKumar Ch <anilkumar@xxxxxx> >>>>>>> >>>>>>> I tried this and the kernel immediately crashes on my beaglebone. Could you upload the complete git tree and .config you used to test this to somewhere public please? >>>>>> >>>>>> Use this repo to test on beaglebone >>>>>> https://github.com/hvaibhav/am335x-linux/commits/am335x-upstream-staging-pinctrl >>>>>> >>>>>> This wiki talks about how to build and use? >>>>>> https://github.com/hvaibhav/am335x-linux/wiki/How-To-Use-Upstream-Tree >>>>>> >>>>>> Note: Enable tps65217 regulator in kernel config. >>>>> >>>>> I used that repo and as a seperate test I rebased that to latest mainline, same thing: as soon as I turn on the TPS in the .config it crashes on boot. Is the pinctrl repo the *exact* repo you used to test the patches on beaglebone? >>>> >>>> I tested on latest mainline after merging to >>>> am335x-upstream-staging-pinctrl (voltage also changing) >>>> >>>> Can you share your .config and uImage? >>> >>> Config: https://github.com/beagleboard/kernel/blob/beaglebone-3.6/patches/configs/beaglebone >>> >>>> My config details:- (After merge) >>>> 1. omap2plus_defconfig >>>> 2. Enable tps65217 MFD driver >>>> 3. Enable tps65217 regulator driver >>> >>> >>> I rebased onto latest mainline and refreshed the base patches from Vaibhav and I now get: >>> >>> [ 0.246796] tps65217 0-0024: TPS65217 ID 0xf version 1.1 >>> >>> So it boots! I don't know what made it break before, but it's working now :) >> >> *sigh* I'm an idiot: >> >> root@beaglebone:~# uname -a >> Linux beaglebone 3.6.0-rc3-00103-gfd02083 #86 SMP Fri Aug 24 09:45:54 CEST 2012 armv7l GNU/Linux >> root@beaglebone:~# zcat /proc/config.gz | grep 217 >> CONFIG_MFD_TPS65217=y >> # CONFIG_REGULATOR_TPS65217 is not set >> >> Will retry with regulator driver actually turned on in a bit. > > Is it working after enabling the regulator? It took me a while to get back to this problem, but it still isn't working for me. I did manage to get more info on the error: root@bone-mainline:~# insmod tps65217-regulator.ko [ 32.754419] Unable to handle kernel NULL pointer dereference at virtual address 000000c8 [ 32.763087] pgd = cea60000 [ 32.765969] [000000c8] *pgd=8fbed831, *pte=00000000, *ppte=00000000 [ 32.772617] Internal error: Oops: 17 [#1] SMP THUMB2 [ 32.777827] Modules linked in: tps65217_regulator(+) ip_tables x_tables snd_soc_omap snd_soc_core regmap_spi snd_pcm snd_timer snd soundcore snd_page_alloc ipv6 [ 32.792976] CPU: 0 Not tainted (3.6.0-rc4 #109) [ 32.798106] PC is at regmap_read+0x8/0x38 [ 32.802315] LR is at regulator_get_voltage_sel_regmap+0x15/0x38 [ 32.808525] pc : [<c0233c8c>] lr : [<c0208619>] psr: 60000033 [ 32.808525] sp : ceb2fd20 ip : 00000000 fp : c0ba6168 [ 32.820565] r10: c0619fac r9 : cf926840 r8 : cf0278b0 [ 32.826045] r7 : cf92c008 r6 : cf115d40 r5 : 0000000e r4 : 00000000 [ 32.832892] r3 : bf946440 r2 : ceb2fd34 r1 : 0000000e r0 : 0000000e [ 32.839740] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment user [ 32.847406] Control: 50c5387d Table: 8ea60019 DAC: 00000015 [ 32.853431] Process insmod (pid: 176, stack limit = 0xceb2e2f8) [ 32.859638] Stack: (0xceb2fd20 to 0xceb30000) [ 32.864214] fd20: cf027800 bf946440 cf115d40 c0208619 00000001 c00a59b1 cf027800 c0206cc3 [ 32.872796] fd40: cf027800 c0209d65 c00fefcb 00000000 c0626ef0 ceb2fd7c cf027810 00000000 [ 32.881379] fd60: 00000000 c00fefcb c0379721 ceb28b40 00000001 c061bf74 60000013 00000000 [ 32.889961] fd80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 32.898542] fda0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 32.907128] fdc0: 00000000 00000000 00000000 00000000 cf072950 00000044 cf92c008 c0db8fd0 [ 32.915712] fde0: bf946440 bf948001 00000028 00000030 000003fb bf946397 cf92c008 cf926840 [ 32.924296] fe00: cf92c410 c0db8fd0 00000000 00000000 00000000 00000000 bf946768 cf92c008 [ 32.932878] fe20: c0baa0b0 c0baa0c0 bf946768 c022af2b c022af19 c022a30d 00000000 cf92c008 [ 32.941460] fe40: bf946768 cf92c03c 00000000 bf948001 00000028 c022a49d bf946768 c022a44d [ 32.950041] fe60: 00000000 c0229375 cf81a0a8 cf926810 bf946768 c062d2d8 cea25dc0 c0229cf1 [ 32.958623] fe80: bf94665c bf946768 bf946768 bf946854 ceb2e000 00000000 bf948001 c022a839 [ 32.967204] fea0: 00000000 c0648640 bf946854 ceb2e000 00000000 bf948001 00000028 bf948009 [ 32.975787] fec0: 00000000 c00085ed bf946854 c0047b4b 00000000 cd8fa780 cf8001c0 00000000 [ 32.984367] fee0: bf94689c bf946854 00000001 ceb4ef00 00000001 00000030 000003fb c006c94b [ 32.992947] ff00: bf946860 00007fff c006bd2d c0008311 00000002 c0b6bff4 bf9469a8 ceb2e000 [ 33.001527] ff20: 00012008 00012008 d0e80000 00019f6b d0e93310 d0e9308b d0e99b70 000009bc [ 33.010108] ff40: 00000c2c 00000000 00000000 0000003b 0000003c 00000021 0000001e 0000001c [ 33.018687] ff60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 c052ba38 [ 33.027267] ff80: 00008a28 00008a28 00012008 bede2eb0 00000080 c000cac4 ceb2e000 00000000 [ 33.035844] ffa0: 00000000 c000c921 00008a28 00012008 00012018 00019f6b 00012008 b6f5f248 [ 33.044426] ffc0: 00008a28 00012008 bede2eb0 00000080 00020000 00000000 00000003 00000000 [ 33.053004] ffe0: 00019f6b bede2c3c 00008c9c b6efd654 60000010 00012018 0070756b 000193fe [ 33.061592] [<c0233c8c>] (regmap_read+0x8/0x38) from [<c0208619>] (regulator_get_voltage_sel_regmap+0x15/0x38) [ 33.072101] [<c0208619>] (regulator_get_voltage_sel_regmap+0x15/0x38) from [<c0206cc3>] (_regulator_get_voltage+0xf/0x40) [ 33.083604] [<c0206cc3>] (_regulator_get_voltage+0xf/0x40) from [<c0209d65>] (regulator_register+0x471/0xe98) [ 33.094028] [<c0209d65>] (regulator_register+0x471/0xe98) from [<bf946397>] (tps65217_regulator_probe+0x5a/0x74 [tps65217_regulator]) [ 33.106640] [<bf946397>] (tps65217_regulator_probe+0x5a/0x74 [tps65217_regulator]) from [<c022af2b>] (platform_drv_probe+0x13/0x14) [ 33.119053] [<c022af2b>] (platform_drv_probe+0x13/0x14) from [<c022a30d>] (driver_probe_device+0x69/0x1a8) [ 33.129187] [<c022a30d>] (driver_probe_device+0x69/0x1a8) from [<c022a49d>] (__driver_attach+0x51/0x54) [ 33.139047] [<c022a49d>] (__driver_attach+0x51/0x54) from [<c0229375>] (bus_for_each_dev+0x29/0x44) [ 33.148544] [<c0229375>] (bus_for_each_dev+0x29/0x44) from [<c0229cf1>] (bus_add_driver+0x7d/0x194) [ 33.158039] [<c0229cf1>] (bus_add_driver+0x7d/0x194) from [<c022a839>] (driver_register+0x3d/0xc8) [ 33.167448] [<c022a839>] (driver_register+0x3d/0xc8) from [<bf948009>] (tps65217_regulator_init+0x8/0xf [tps65217_regulator]) [ 33.179320] [<bf948009>] (tps65217_regulator_init+0x8/0xf [tps65217_regulator]) from [<c00085ed>] (do_one_initcall+0x25/0x11c) [ 33.191279] [<c00085ed>] (do_one_initcall+0x25/0x11c) from [<c006c94b>] (sys_init_module+0x9b/0x13bc) [ 33.200961] [<c006c94b>] (sys_init_module+0x9b/0x13bc) from [<c000c921>] (ret_fast_syscall+0x1/0x50) [ 33.210542] Code: b570 4604 460d 4608 (f8d4) 10c8 [ 33.215917] ---[ end trace 59e3bd0a3e19dc28 ]--- Segmentation fault That's linus' tree + devel-dt + vaibhav am335x base patches.-- 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
