修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/core-api/genalloc.rst
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 .. kernel-doc:: lib/genalloc.c
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    :functions: devm_gen_pool_create
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-A call to :c:func:`gen_pool_create` will create a pool.  The granularity of
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+A call to gen_pool_create() will create a pool.  The granularity of
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 allocations is set with min_alloc_order; it is a log-base-2 number like
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 those used by the page allocator, but it refers to bytes rather than pages.
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 So, if min_alloc_order is passed as 3, then all allocations will be a
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 which NUMA node should be used for the allocation of the housekeeping
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 structures; it can be -1 if the caller doesn't care.
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-The "managed" interface :c:func:`devm_gen_pool_create` ties the pool to a
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+The "managed" interface devm_gen_pool_create() ties the pool to a
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 specific device.  Among other things, it will automatically clean up the
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 pool when the given device is destroyed.
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    :functions: gen_pool_add
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 .. kernel-doc:: lib/genalloc.c
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-   :functions: gen_pool_add_virt
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+   :functions: gen_pool_add_owner
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-A call to :c:func:`gen_pool_add` will place the size bytes of memory
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+A call to gen_pool_add() will place the size bytes of memory
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 starting at addr (in the kernel's virtual address space) into the given
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 pool, once again using nid as the node ID for ancillary memory allocations.
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-The :c:func:`gen_pool_add_virt` variant associates an explicit physical
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+The gen_pool_add_virt() variant associates an explicit physical
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 address with the memory; this is only necessary if the pool will be used
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 for DMA allocations.
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 The functions for allocating memory from the pool (and putting it back)
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 are:
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-.. kernel-doc:: lib/genalloc.c
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+.. kernel-doc:: include/linux/genalloc.h
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    :functions: gen_pool_alloc
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 .. kernel-doc:: lib/genalloc.c
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    :functions: gen_pool_dma_alloc
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 .. kernel-doc:: lib/genalloc.c
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-   :functions: gen_pool_free
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+   :functions: gen_pool_free_owner
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-As one would expect, :c:func:`gen_pool_alloc` will allocate size< bytes
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-from the given pool.  The :c:func:`gen_pool_dma_alloc` variant allocates
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+As one would expect, gen_pool_alloc() will allocate size< bytes
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+from the given pool.  The gen_pool_dma_alloc() variant allocates
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 memory for use with DMA operations, returning the associated physical
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 address in the space pointed to by dma.  This will only work if the memory
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-was added with :c:func:`gen_pool_add_virt`.  Note that this function
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+was added with gen_pool_add_virt().  Note that this function
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 departs from the usual genpool pattern of using unsigned long values to
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 represent kernel addresses; it returns a void * instead.
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 of interest:
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 .. kernel-doc:: lib/genalloc.c
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-   :functions: gen_pool_alloc_algo
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+   :functions: gen_pool_alloc_algo_owner
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 .. kernel-doc:: lib/genalloc.c
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    :functions: gen_pool_set_algo
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-Allocations with :c:func:`gen_pool_alloc_algo` specify an algorithm to be
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+Allocations with gen_pool_alloc_algo() specify an algorithm to be
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 used to choose the memory to be allocated; the default algorithm can be set
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-with :c:func:`gen_pool_set_algo`.  The data value is passed to the
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+with gen_pool_set_algo().  The data value is passed to the
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 algorithm; most ignore it, but it is occasionally needed.  One can,
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 naturally, write a special-purpose algorithm, but there is a fair set
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 already available:
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    :functions: gen_pool_for_each_chunk
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 .. kernel-doc:: lib/genalloc.c
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-   :functions: addr_in_gen_pool
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+   :functions: gen_pool_has_addr
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 .. kernel-doc:: lib/genalloc.c
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    :functions: gen_pool_avail