diff options
| author |   Josh Zimmerman <joshz@google.com> | 2017-06-25 14:53:23 -0700 |
|---|---|---|
| committer |   James Morris <james.l.morris@oracle.com> | 2017-07-07 09:49:24 +1000 |
| commit | f77af15165847406b15d8f70c382c4cb15846b2a (patch) | |
| tree | 4941098b00f641bfe02658b9204f7cd00e05e52b /include/linux/device.h | |
| parent | Cavium CNN55XX: fix broken default Kconfig entry (diff) | |
| download | linux-dev-f77af15165847406b15d8f70c382c4cb15846b2a.tar.xz linux-dev-f77af15165847406b15d8f70c382c4cb15846b2a.zip | |
Add "shutdown" to "struct class".
The TPM class has some common shutdown code that must be executed for
all drivers. This adds some needed functionality for that.
Signed-off-by: Josh Zimmerman <joshz@google.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org
Fixes: 74d6b3ceaa17 ("tpm: fix suspend/resume paths for TPM 2.0")
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 6baa1238f158..723cd54b94da 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -375,6 +375,7 @@ int subsys_virtual_register(struct bus_type *subsys, * @suspend: Used to put the device to sleep mode, usually to a low power * state. * @resume: Used to bring the device from the sleep mode. + * @shutdown: Called at shut-down time to quiesce the device. * @ns_type: Callbacks so sysfs can detemine namespaces. * @namespace: Namespace of the device belongs to this class. * @pm: The default device power management operations of this class. @@ -403,6 +404,7 @@ struct class { int (*suspend)(struct device *dev, pm_message_t state); int (*resume)(struct device *dev); + int (*shutdown)(struct device *dev); const struct kobj_ns_type_operations *ns_type; const void *(*namespace)(struct device *dev); |