修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
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@@ -63,9 +63,9 @@
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       able to reclaim it back. Typically that means that the operating
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       system can use that region to store volatile or cached data that
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       can be otherwise regenerated or migrated elsewhere.
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-inactive (optional) - empty property
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-    - Indicates the operating system must not active the region. It's only
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-      do active or inactive for region reusable.
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+
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+A node must not carry both the no-map and the reusable property as these are
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+logically contradictory.
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 Linux implementation note:
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 - If a "linux,cma-default" property is present, then Linux will use the
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@@ -80,6 +80,8 @@
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 nodes by adding a memory-region property to the device node.
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 memory-region (optional) - phandle, specifier pairs to children of /reserved-memory
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+memory-region-names (optional) - a list of names, one for each corresponding
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+  entry in the memory-region property
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 Example
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