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authorLoc Ho <lho@apm.com>2017-07-03 14:33:09 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-07-04 21:29:38 +0200
commit79a648328d2a604524a30523ca763fbeca0f70e3 (patch)
tree9d44cba925a86c9bc5d8b178e45dcc5291ddd1ba /include/acpi
parent2bece49394872d36bbc5767fd643deac05920c55 (diff)
ACPI: SPCR: Workaround for APM X-Gene 8250 UART 32-alignment errata
APM X-Gene verion 1 and 2 have an 8250 UART with its register aligned to 32-bit. In addition, the latest released BIOS encodes the access field as 8-bit access instead 32-bit access. This causes no console with ACPI boot as the console will not match X-Gene UART port due to the lack of mmio32 option. Signed-off-by: Loc Ho <lho@apm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
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