Hi Tom Sorry for the delay, i was on vacation.
I launched dm unit tests on current master
(ada61f1ee2a4eaa1b29d699b5ba940483171df8a)
and everything seems ok, perhaps i don't execute them correctly, see my log
below :
./test/py/test.py --bd sandbox --build -k ut_dm -v
+make O=/local/home/nxp11987/projects/community/u-boot.denx/build-sandbox -s
sandbox_defconfig
+make O=/local/home/nxp11987/projects/community/u-boot.denx/build-sandbox -s -j8
=======================================================================================
test session starts
=======================================================================================
platform linux -- Python 3.6.9, pytest-5.2.1, py-1.8.0, pluggy-0.13.0 --
/usr/bin/python3
cachedir: .pytest_cache
rootdir: /local/home/nxp11987/projects/community/u-boot.denx/test/py, inifile:
pytest.ini
collected 672 items / 370 deselected / 302 selected
test/py/tests/test_ut.py::test_ut_dm_init PASSED
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test/py/tests/test_ut.py::test_ut[ut_dm_acpi_basic] PASSED
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==============================================================================
302 passed, 370 deselected in 11.06s
===============================================================================
Patrice
On 7/7/20 10:08 PM, Tom Rini wrote:
> On Thu, Apr 30, 2020 at 12:06:15PM +0200, Patrice Chotard wrote:
>
>> Initial implementation invokes device_bind_with_driver_data()
>> with driver_data parameter equal to 0.
>> For driver with driver data, the bind command can't bind
>> correctly this driver or even worse causes data abort as shown below:
>>
>> As example, for debug purpose on STM32MP1 platform, ethernet (dwc_eth_qos.c)
>> driver needed to be unbinded/binded. This driver is using driver data:
>>
>> static const struct udevice_id eqos_ids[] = {
>> {
>> .compatible = "nvidia,tegra186-eqos",
>> .data = (ulong)&eqos_tegra186_config
>> },
>> {
>> .compatible = "snps,dwmac-4.20a",
>> .data = (ulong)&eqos_stm32_config
>> },
>>
>> { }
>> };
>>
>> After unbinding/binding this driver and probing it (with the dhcp command),
>> we got a prefetch abort as below:
>>
>> STM32MP> unbind eth ethernet@5800a000
>> STM32MP> bind /soc/ethernet@5800a000 eth_eqos
>> STM32MP> dhcp
>> prefetch abort
>> pc : [<4310801c>] lr : [<ffc8f4ad>]
>> reloc pc : [<035ba01c>] lr : [<c01414ad>]
>> sp : fdaf19b0 ip : ffcea83c fp : 00000001
>> r10: ffcfd4a0 r9 : fdaffed0 r8 : 00000000
>> r7 : ffcff304 r6 : fdc63220 r5 : 00000000 r4 : fdc5b108
>> r3 : 43108020 r2 : 00003d39 r1 : ffcea544 r0 : fdc63220
>> Flags: nZCv IRQs off FIQs off Mode SVC_32
>> Code: data abort
>> pc : [<ffc4f9c0>] lr : [<ffc4f9ad>]
>> reloc pc : [<c01019c0>] lr : [<c01019ad>]
>> sp : fdaf18b8 ip : 00000000 fp : 00000001
>> r10: ffcd69b2 r9 : fdaffed0 r8 : ffcd69aa
>> r7 : 00000000 r6 : 00000008 r5 : 4310801c r4 : fffffffc
>> r3 : 00000001 r2 : 00000028 r1 : 00000000 r0 : 00000006
>> Flags: NzCv IRQs on FIQs on Mode SVC_32 (T)
>> Code: 2f00 d1e9 2c00 dce9 (f855) 2024
>> Resetting CPU ...
>>
>> Signed-off-by: Patrice Chotard <[email protected]>
>> Cc: Jean-Jacques Hiblot <[email protected]>
>> Reviewed-by: Simon Glass <[email protected]>
> Sorry for the delay in getting to this. Currently, this breaks the dm
> unit tests on sandbox, can you please investigate? Thanks!
>
