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14544e1349
Atm, in the power well sync_hw hook we are clearing all BIOS request bits, not just the one corresponding to the given power well. This could turn off an unrelated power well inadvertently if it didn't have a request bit set in the driver request register. This didn't cause a problem so far, since we enabled all power wells explicitly before clearing the BIOS request register. A follow-up patchset will add power wells that won't get enabled this way, so fix up the inconsistency. Note that this patch only makes the clearing of the BIOS req register more logical. Power wells without a reference would still get disabled by the end of power domain initialization, that is fixed by the next patch. v2: - Clarify in the commit log that this patch doesn't address the case of power wells without a reference. (Ander) Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com> Cc: David Weinehall <david.weinehall@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-4-git-send-email-imre.deak@intel.com |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.