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| author | Guenter Roeck <linux@roeck-us.net> | 2021-08-10 10:56:07 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-08-25 10:48:51 +0100 |
| commit | 6f287c700c5fad924585dee1308477aa9e73ae50 (patch) | |
| tree | 73c8a998f6e48a8d135939bf01602c72e77c1071 /docs/system/gdb.rst | |
| parent | 80d60a6d1efebcf35ff96e2d0a51373b0383bc10 (diff) | |
fsl-imx7: Instantiate SAI1/2/3 as unimplemented devices
Instantiate SAI1/2/3 as unimplemented devices to avoid Linux kernel crashes
such as the following.
Unhandled fault: external abort on non-linefetch (0x808) at 0xd19b0000
pgd = (ptrval)
[d19b0000] *pgd=82711811, *pte=308a0653, *ppte=308a0453
Internal error: : 808 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0-rc5 #1
...
[<c095e974>] (regmap_mmio_write32le) from [<c095eb48>] (regmap_mmio_write+0x3c/0x54)
[<c095eb48>] (regmap_mmio_write) from [<c09580f4>] (_regmap_write+0x4c/0x1f0)
[<c09580f4>] (_regmap_write) from [<c0959b28>] (regmap_write+0x3c/0x60)
[<c0959b28>] (regmap_write) from [<c0d41130>] (fsl_sai_runtime_resume+0x9c/0x1ec)
[<c0d41130>] (fsl_sai_runtime_resume) from [<c0942464>] (__rpm_callback+0x3c/0x108)
[<c0942464>] (__rpm_callback) from [<c0942590>] (rpm_callback+0x60/0x64)
[<c0942590>] (rpm_callback) from [<c0942b60>] (rpm_resume+0x5cc/0x808)
[<c0942b60>] (rpm_resume) from [<c0942dfc>] (__pm_runtime_resume+0x60/0xa0)
[<c0942dfc>] (__pm_runtime_resume) from [<c0d4231c>] (fsl_sai_probe+0x2b8/0x65c)
[<c0d4231c>] (fsl_sai_probe) from [<c0935b08>] (platform_probe+0x58/0xb8)
[<c0935b08>] (platform_probe) from [<c0933264>] (really_probe.part.0+0x9c/0x334)
[<c0933264>] (really_probe.part.0) from [<c093359c>] (__driver_probe_device+0xa0/0x138)
[<c093359c>] (__driver_probe_device) from [<c0933664>] (driver_probe_device+0x30/0xc8)
[<c0933664>] (driver_probe_device) from [<c0933c88>] (__driver_attach+0x90/0x130)
[<c0933c88>] (__driver_attach) from [<c0931060>] (bus_for_each_dev+0x78/0xb8)
[<c0931060>] (bus_for_each_dev) from [<c093254c>] (bus_add_driver+0xf0/0x1d8)
[<c093254c>] (bus_add_driver) from [<c0934a30>] (driver_register+0x88/0x118)
[<c0934a30>] (driver_register) from [<c01022c0>] (do_one_initcall+0x7c/0x3a4)
[<c01022c0>] (do_one_initcall) from [<c1601204>] (kernel_init_freeable+0x198/0x22c)
[<c1601204>] (kernel_init_freeable) from [<c0f5ff2c>] (kernel_init+0x10/0x128)
[<c0f5ff2c>] (kernel_init) from [<c010013c>] (ret_from_fork+0x14/0x38)
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20210810175607.538090-1-linux@roeck-us.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs/system/gdb.rst')
0 files changed, 0 insertions, 0 deletions