ACPI: APEI: EINJ: Fix kernel test sparse warnings

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This patch fixes the kernel test robot warning reported here:
Link: https://lore.kernel.org/all/202410241620.oApALow5-lkp@intel.com/

Use pointers annotated with the __iomem marker for all iomem map calls,
and creates a local copy of the mapped IO memory for future access in
the code. memcpy_fromio() and memcpy_toio() are used to read/write data
from/to mapped IO memory.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Zaid Alali <zaidal@os.amperecomputing.com>
Link: https://patch.msgid.link/20250617193026.637510-2-zaidal@os.amperecomputing.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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Zaid Alali 2025-06-17 12:30:20 -07:00 • committed by Rafael J. Wysocki

parent e04c78d86a

commit 1a35c88302

1 changed files with 60 additions and 46 deletions

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drivers/acpi/apei/einj-core.c

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