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2ce569f4b5
[ Upstream commit 0405f94a1ae0586ca237aec0e859f1b796d6325d ]
Removing the meson-dw-hdmi module results in the following splat:
i[ 43.340509] WARNING: CPU: 0 PID: 572 at drivers/regulator/core.c:2125 _regulator_put.part.0+0x16c/0x174
[...]
[ 43.454870] CPU: 0 PID: 572 Comm: modprobe Tainted: G W E 5.10.0-rc4-00049-gd274813a4de3-dirty #2147
[ 43.465042] Hardware name: , BIOS 2021.01-rc2-00012-gde865f7ee1 11/16/2020
[ 43.471945] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO BTYPE=--)
[ 43.477896] pc : _regulator_put.part.0+0x16c/0x174
[ 43.482638] lr : regulator_put+0x44/0x60
[...]
[ 43.568715] Call trace:
[ 43.571132] _regulator_put.part.0+0x16c/0x174
[ 43.575529] regulator_put+0x44/0x60
[ 43.579067] devm_regulator_release+0x20/0x2c
[ 43.583380] release_nodes+0x1c8/0x2b4
[ 43.587087] devres_release_all+0x44/0x6c
[ 43.591056] __device_release_driver+0x1a0/0x23c
[ 43.595626] driver_detach+0xcc/0x160
[ 43.599249] bus_remove_driver+0x68/0xe0
[ 43.603130] driver_unregister+0x3c/0x6c
[ 43.607011] platform_driver_unregister+0x20/0x2c
[ 43.611678] meson_dw_hdmi_platform_driver_exit+0x18/0x4a8 [meson_dw_hdmi]
[ 43.618485] __arm64_sys_delete_module+0x1bc/0x294
as the HDMI regulator is still enabled on release.
In order to address this, register a callback that will deal with
the disabling when the driver is unbound, solving the problem.
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.