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commitaf21c3fd5bupstream. Commit57d104c153("ufs: add UFS power management support") made the UFS driver submit a REQUEST SENSE command before submitting a power management command to a WLUN to clear the POWER ON unit attention. Instead of submitting a REQUEST SENSE command before submitting a power management command, retry the power management command until it succeeds. This is the preparation to get rid of all UNIT ATTENTION code which should be handled by users. Link: https://lore.kernel.org/r/20211001182015.1347587-2-jaegeuk@kernel.org Cc: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.