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authorAlexander Shishkin <alexander.shishkin@linux.intel.com>2019-05-03 11:44:51 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-03 18:17:40 +0200
commitaad14ad3cf3a63bd258b65e18d49c3eb8472d344 (patch)
tree50a799117eaf5425c24914de5d83e01b1bb75521 /tools
parentintel_th: msu: Add a sysfs attribute to trigger window switch (diff)
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intel_th: msu: Add current window tracking
Now that we have a way to switch between MSC buffer windows, add code to track the current window. The hardware register NWSA that contains the address of the next window is unfortunately not always usable, and since the driver has full control of the window switching, there is no reason not to keep this on the software side. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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