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[PATCH] kernel-doc for kernel/dma.c
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Add kernel-doc function headers in kernel/dma.c and use it in DocBook.

Clean up kernel-doc in mca_dma.h (the colon (':') represents a
section header).

Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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rddunlap authored and Linus Torvalds committed Oct 3, 2006
1 parent d3717bd commit eed34d0
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Showing 3 changed files with 14 additions and 3 deletions.
4 changes: 4 additions & 0 deletions Documentation/DocBook/kernel-api.tmpl
Original file line number Diff line number Diff line change
Expand Up @@ -325,6 +325,10 @@ X!Ekernel/module.c
!Ekernel/irq/manage.c
</sect1>

<sect1><title>DMA Channels</title>
!Ekernel/dma.c
</sect1>

<sect1><title>Resources Management</title>
!Ikernel/resource.c
</sect1>
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3 changes: 1 addition & 2 deletions include/asm-i386/mca_dma.h
Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ static __inline__ void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr)
* @mode: mode to set
*
* The DMA controller supports several modes. The mode values you can
* set are :
* set are-
*
* %MCA_DMA_MODE_READ when reading from the DMA device.
*
Expand All @@ -190,7 +190,6 @@ static __inline__ void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr)
* %MCA_DMA_MODE_IO to do DMA to or from an I/O port.
*
* %MCA_DMA_MODE_16 to do 16bit transfers.
*
*/

static __inline__ void mca_set_dma_mode(unsigned int dmanr, unsigned int mode)
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10 changes: 9 additions & 1 deletion kernel/dma.c
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,11 @@ static struct dma_chan dma_chan_busy[MAX_DMA_CHANNELS] = {
};


/**
* request_dma - request and reserve a system DMA channel
* @dmanr: DMA channel number
* @device_id: reserving device ID string, used in /proc/dma
*/
int request_dma(unsigned int dmanr, const char * device_id)
{
if (dmanr >= MAX_DMA_CHANNELS)
Expand All @@ -76,7 +81,10 @@ int request_dma(unsigned int dmanr, const char * device_id)
return 0;
} /* request_dma */


/**
* free_dma - free a reserved system DMA channel
* @dmanr: DMA channel number
*/
void free_dma(unsigned int dmanr)
{
if (dmanr >= MAX_DMA_CHANNELS) {
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