修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/core-api/index.rst
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8
 Core utilities
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 ==============
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10
 
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+This section has general and "core core" documentation.  The first is a
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+massive grab-bag of kerneldoc info left over from the docbook days; it
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+should really be broken up someday when somebody finds the energy to do
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+it.
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+
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 .. toctree::
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    :maxdepth: 1
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    kernel-api
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-   assoc_array
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-   atomic_ops
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-   cachetlb
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-   refcount-vs-atomic
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-   cpu_hotplug
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-   idr
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-   local_ops
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    workqueue
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-   genericirq
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-   flexible-arrays
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-   librs
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-   genalloc
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-   errseq
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+   printk-basics
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    printk-formats
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+   symbol-namespaces
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+
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+Data structures and low-level utilities
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+=======================================
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+
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+Library functionality that is used throughout the kernel.
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+
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+.. toctree::
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+   :maxdepth: 1
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+
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+   kobject
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+   kref
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+   assoc_array
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+   xarray
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+   idr
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    circular-buffers
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-   mm-api
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-   gfp_mask-from-fs-io
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+   rbtree
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+   generic-radix-tree
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+   packing
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+   bus-virt-phys-mapping
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+   this_cpu_ops
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    timekeeping
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+   errseq
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+
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+Concurrency primitives
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+======================
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+
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+How Linux keeps everything from happening at the same time.  See
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+:doc:`/locking/index` for more related documentation.
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+
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+.. toctree::
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+   :maxdepth: 1
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+
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+   atomic_ops
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+   refcount-vs-atomic
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+   irq/index
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+   local_ops
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+   padata
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+   ../RCU/index
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+
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+Low-level hardware management
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+=============================
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+
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+Cache management, managing CPU hotplug, etc.
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+
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+.. toctree::
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+   :maxdepth: 1
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+
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+   cachetlb
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+   cpu_hotplug
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+   memory-hotplug
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+   genericirq
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+   protection-keys
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+
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+Memory management
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+=================
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+
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+How to allocate and use memory in the kernel.  Note that there is a lot
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+more memory-management documentation in :doc:`/vm/index`.
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+
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+.. toctree::
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+   :maxdepth: 1
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+
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+   memory-allocation
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+   unaligned-memory-access
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+   dma-api
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+   dma-api-howto
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+   dma-attributes
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+   dma-isa-lpc
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+   mm-api
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+   genalloc
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+   pin_user_pages
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    boot-time-mm
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+   gfp_mask-from-fs-io
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 Interfaces for kernel debugging
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 ===============================
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    debug-objects
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    tracepoint
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+   debugging-via-ohci1394
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-.. only::  subproject
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+Everything else
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+===============
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+
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+Documents that don't fit elsewhere or which have yet to be categorized.
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+
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+.. toctree::
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+   :maxdepth: 1
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+
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+   librs
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+
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+.. only:: subproject and html
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    Indices
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    =======