diff options
| author | Russell Currey <ruscur@russell.cc> | 2023-02-10 19:03:43 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-02-12 22:12:37 +1100 |
| commit | e02407944052554c1685e11e56175147d1ac56b6 (patch) | |
| tree | 6f3e3174d40b446a197687c1eb92792bfa01a43d /arch/powerpc/kernel | |
| parent | ec2f40bd004b4b9142469282d4a6ce9afa22f9c0 (diff) | |
| download | lwn-e02407944052554c1685e11e56175147d1ac56b6.tar.gz lwn-e02407944052554c1685e11e56175147d1ac56b6.zip | |
powerpc/secvar: Handle max object size in the consumer
Currently the max object size is handled in the core secvar code with an
entirely OPAL-specific implementation, so create a new max_size() op and
move the existing implementation into the powernv platform. Should be
no functional change.
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230210080401.345462-9-ajd@linux.ibm.com
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/secvar-sysfs.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/secvar-sysfs.c b/arch/powerpc/kernel/secvar-sysfs.c index e4661559c855..0966806f28c7 100644 --- a/arch/powerpc/kernel/secvar-sysfs.c +++ b/arch/powerpc/kernel/secvar-sysfs.c @@ -132,27 +132,16 @@ static struct kobj_type secvar_ktype = { static int update_kobj_size(void) { - struct device_node *node; u64 varsize; - int rc = 0; + int rc = secvar_ops->max_size(&varsize); - node = of_find_compatible_node(NULL, NULL, "ibm,secvar-backend"); - if (!of_device_is_available(node)) { - rc = -ENODEV; - goto out; - } - - rc = of_property_read_u64(node, "max-var-size", &varsize); if (rc) - goto out; + return rc; data_attr.size = varsize; update_attr.size = varsize; -out: - of_node_put(node); - - return rc; + return 0; } static int secvar_sysfs_load(void) |