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e01e2290f0
The suspend/resume functions in this driver seem to have multiple problems,
the latest one just got introduced by a bugfix:
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c: In function '_suspend_v3_hw':
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:5142:39: error: 'struct dev_pm_info' has no member named 'usage_count'
5142 | if (atomic_read(&device->power.usage_count)) {
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c: In function '_suspend_v3_hw':
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:5142:39: error: 'struct dev_pm_info' has no member named 'usage_count'
5142 | if (atomic_read(&device->power.usage_count)) {
As far as I can tell, the 'usage_count' is not meant to be accessed by
device drivers at all, though I don't know what the driver is supposed to
do instead.
Another problem is the use of the deprecated UNIVERSAL_DEV_PM_OPS(), and
marking functions as __maybe_unused to avoid warnings about unused
functions. This should probably be changed to using
DEFINE_RUNTIME_DEV_PM_OPS().
Both changes require actually understanding what the driver needs to do,
and being able to test this, so instead here is the simplest patch to make
it pass the randconfig builds instead.
Fixes:
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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.