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commit5a244e0ea6upstream. Auto-Hibern8 may be disabled by some vendors or sysfs in runtime even if Auto-Hibern8 capability is supported by host. If Auto-Hibern8 capability is supported by host but not actually enabled, Auto-Hibern8 error shall not happen. To fix this, provide a way to detect if Auto-Hibern8 is actually enabled first, and bypass Auto-Hibern8 disabling case in ufshcd_is_auto_hibern8_error(). Fixes:8217444039("scsi: ufs: Add error-handling of Auto-Hibernate") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200129105251.12466-4-stanley.chu@mediatek.com Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by: Can Guo <cang@codeaurora.org> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.