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 <[email protected]> --- drivers/char/tpm/tpm_acpi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c index fe3fa94..56051d0 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; -- 1.7.11.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
