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Information about the last interrupt status and timestamp is helpful when debugging system stability issues (IRQ starvation, for instance). Add this information to ufshcd_print_host_state() output. In addition, UFS device information such as model name and firmware version also comes in handy during debugging. This is printed as well. Link: https://lore.kernel.org/r/1596975355-39813-5-git-send-email-cang@codeaurora.org Reviewed-by: Avri Altman <avri.altman@wdc.com> Reviewed-by: Hongwu Su <hongwus@codeaurora.org> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.