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This reverts commit fdbdc7fc79c02ae4ede869d514179a2c65633d28.
That temporary quick-fix is no longer necessary,
as the previous patch, a65131e942e25c707a652fa4ec2cfcd8b63fec11,
"I/O port protection: update for windows compatibility"
should handle this issue for all ports, including this one.
Signed-off-by: Len Brown <len.brown@intel.com>
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For windows compatibility,
1) On a port protection violation, simply ignore the request and
do not return an exception (allow the control method to continue execution.)
2) If only part of the request overlaps a protected port,
read/write the individual ports that are not protected.
http://bugzilla.kernel.org/show_bug.cgi?id=13036
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Sony laptops apparently write 4-bytes (rather than 1 byte)
to debug port 0x80, which spews error messages:
Denied AML access to port 0x00000080/4 (DMA1 0x0081-0x0083) [20090320]
http://bugzilla.kernel.org/show_bug.cgi?id=13036
Signed-off-by: Len Brown <len.brown@intel.com>
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Microsoft website uses 0xCF8-0xD00. Should be 0xCF8-0xCFF (Two
32-bit registers.)
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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One entry in the protected port table eliminated. Added extra
comments to describe each table entry.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Protect certain I/O ports from reads/writes. Provides MS
compatibility. New module, hwvalid.c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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