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ACPI: IORT: Add extra message "applying workaround" for off-by-1 issue

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As we already applied a workaround for the off-by-1 issue,
it's good to add extra message "applying workaround" to make
people less uneasy to see FW_BUG message in the boot log.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/1588910198-8348-1-git-send-email-guohanjun@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Hanjun Guo 2020-05-08 11:56:38 +08:00 committed by Will Deacon
parent 539979b6ec
commit 44cdc7b16e
1 changed files with 2 additions and 0 deletions
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2
drivers/acpi/arm64/iort.c
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@ -332,6 +332,8 @@ static int iort_id_map(struct acpi_iort_id_mapping *map, u8 type, u32 rid_in,
map, rid_in);
if (rid_in != map->input_base)
return -ENXIO;
pr_err(FW_BUG "applying workaround.\n");
}
*rid_out = map->output_base + (rid_in - map->input_base);