On 09/23/2013 02:14 PM, Jason Gunthorpe wrote:
CLASS-sysfs.c is a common idiom for linux subsystems.
This pulls all the sysfs attribute functions and related code
into tpm-sysfs.c. To support this change some constants are moved
from tpm.c to tpm.h and __tpm_pcr_read is made non-static and is
called tpm_pcr_read_dev.
Signed-off-by: Jason Gunthorpe <jguntho...@obsidianresearch.com>
[...]
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 12a4ab2..7892557 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
[...]
-static DEVICE_ATTR(durations, S_IRUGO, tpm_show_durations, NULL);
-static DEVICE_ATTR(timeouts, S_IRUGO, tpm_show_timeouts, NULL);
-static DEVICE_ATTR(locality, S_IRUGO | S_IWUSR, tpm_show_locality,
- tpm_store_locality);
This patch drops the "locality" sysfs attribute from xen-tpmfront. Since
that attribute is currently only implemented for the xen TPM driver, it
is best to leave it there for now (and its show/store functions could
also be made static, an oversight I just noticed now). If this attribute
is later made available on other TPM drivers, it may need to contain
device-specific logic, but such an implementation is well outside the
scope of this series.
--
Daniel De Graaf
National Security Agency
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