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| author | Kees Cook <keescook@chromium.org> | 2016-07-29 18:11:32 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2016-08-05 11:21:36 -0700 |
| commit | 529182e204db083cb7bda832d1c5c6d9278ba1cb (patch) | |
| tree | b923eedd4b5a1e2d6cdda1af5c8bfd3b18b17189 /drivers/of | |
| parent | f38d2e5313f0af9d9b66c02a5d49c71deb994b85 (diff) | |
| download | linux-529182e204db083cb7bda832d1c5c6d9278ba1cb.tar.gz linux-529182e204db083cb7bda832d1c5c6d9278ba1cb.tar.bz2 linux-529182e204db083cb7bda832d1c5c6d9278ba1cb.zip | |
ramoops: use DT reserved-memory bindings
Instead of a ramoops-specific node, use a child node of /reserved-memory.
This requires that of_platform_device_create() be explicitly called
for the node, though, since "/reserved-memory" does not have its own
"compatible" property.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/platform.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 765390e3ed8d..8aa197691074 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -499,8 +499,24 @@ EXPORT_SYMBOL_GPL(of_platform_default_populate); static int __init of_platform_default_populate_init(void) { - if (of_have_populated_dt()) - of_platform_default_populate(NULL, NULL, NULL); + struct device_node *node; + + if (!of_have_populated_dt()) + return -ENODEV; + + /* + * Handle ramoops explicitly, since it is inside /reserved-memory, + * which lacks a "compatible" property. + */ + node = of_find_node_by_path("/reserved-memory"); + if (node) { + node = of_find_compatible_node(node, NULL, "ramoops"); + if (node) + of_platform_device_create(node, NULL, NULL); + } + + /* Populate everything else. */ + of_platform_default_populate(NULL, NULL, NULL); return 0; } |