diff options
| author | Kent Yoder <key@linux.vnet.ibm.com> | 2012-09-04 20:18:21 +0400 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2012-09-12 07:18:31 +0400 |
| commit | a40695edad6a69561b299272028c172e2d981666 (patch) | |
| tree | 6712703f4f6c89fc47b42bf7fcf6a672810b1603 /drivers/char/tpm | |
| parent | 9ddf6aa8cbc07764c7fe33cfdb8644ca5e828252 (diff) | |
| download | linux-a40695edad6a69561b299272028c172e2d981666.tar.xz | |
tpm: fix tpm_acpi sparse warning on different address spaces
acpi_os_map_memory expects its return value to be in the __iomem address
space. Tag the variable we're using as such and use memcpy_fromio to
avoid further sparse warnings.
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'drivers/char/tpm')
| -rw-r--r-- | drivers/char/tpm/tpm_acpi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c index fe3fa9431dc9..56051d0c97a2 100644 --- a/drivers/char/tpm/tpm_acpi.c +++ b/drivers/char/tpm/tpm_acpi.c @@ -49,7 +49,7 @@ int read_log(struct tpm_bios_log *log) { struct acpi_tcpa *buff; acpi_status status; - struct acpi_table_header *virt; + void __iomem *virt; u64 len, start; if (log->bios_event_log != NULL) { @@ -102,7 +102,7 @@ int read_log(struct tpm_bios_log *log) return -EIO; } - memcpy(log->bios_event_log, virt, len); + memcpy_fromio(log->bios_event_log, virt, len); acpi_os_unmap_memory(virt, len); return 0; |