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afe6f1eeb0
With CONFIG_DEBUG_ATOMIC_SLEEP enabled we can see the following with RTC probe:
BUG: sleeping function called from invalid context at drivers/bus/ti-sysc.c:1736
...
(sysc_quirk_rtc) from [<c060d01c>] (sysc_write_sysconfig+0x1c/0x60)
(sysc_write_sysconfig) from [<c060d9f4>] (sysc_enable_module+0x11c/0x274)
(sysc_enable_module) from [<c060f37c>] (sysc_probe+0xe9c/0x1380)
(sysc_probe) from [<c06e9384>] (platform_drv_probe+0x48/0x98)
Fixes: e8639e1c98 ("bus: ti-sysc: Handle module unlock quirk needed for some RTC")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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.