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ACPI: CPPC: Fix up I/O port access in cpc_read()
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 12 Jan 2022 18:26:32 +0000 (19:26 +0100)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 17 Jan 2022 18:38:55 +0000 (19:38 +0100)
commit5dfc4478e62adec527e876e750b0bc28f10a2f90
tree94237e2e4dded2d0a64cfef60ee01d6d903bbcaatree | snapshot
parent5425649c01c0c155a6aaf112c5d189626fc56dd5commit | diff
ACPI: CPPC: Fix up I/O port access in cpc_read()

The code as currently implemented does not work on big endian systems,
so fix it up.

Fixes: 9c3260d83b62 ("ACPI: CPPC: Implement support for SystemIO registers")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/linux-acpi/20220111092928.GA24968@kili/
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Huang Rui <ray.huang@amd.com>
drivers/acpi/cppc_acpi.c diff | blob | history
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