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Clean up:

Browse Source 
Comment run_filter() to explain what it does.

Remove chatty comments.

void busdma_swi() { }  -> void busdma_swi(void) { }
This commit is contained in:
Alfred Perlstein 2002-04-19 22:58:09 +00:00
parent 9cd64fb3dd
commit 74d618ca43
2 changed files with 20 additions and 8 deletions
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14
sys/amd64/amd64/busdma_machdep.c
View File

@ -101,6 +101,14 @@ static vm_offset_t add_bounce_page(bus_dma_tag_t dmat, bus_dmamap_t map,
static void free_bounce_page(bus_dma_tag_t dmat, struct bounce_page *bpage);
static __inline int run_filter(bus_dma_tag_t dmat, bus_addr_t paddr);
/*
* Return true if a match is made.
*
* To find a match walk the chain of bus_dma_tag_t's looking for 'paddr'.
*
* If paddr is within the bounds of the dma tag then call the filter callback
* to check for a match, if there is no filter callback then assume a match.
*/
static __inline int
run_filter(bus_dma_tag_t dmat, bus_addr_t paddr)
{
@ -347,7 +355,7 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
/*
* Free a piece of memory and it's allociated dmamap, that was allocated
* via bus_dmamem_alloc.
* via bus_dmamem_alloc. Make the same choice for free/contigfree.
*/
void
bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
@ -358,8 +366,6 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
*/
if (map != NULL)
panic("bus_dmamem_free: Invalid map freed\n");
/* XXX There is no "contigfree" and "free" doesn't work */
/* There is too a contigfree, and we need to use it here. */
if ((dmat->maxsize <= PAGE_SIZE) && dmat->lowaddr >= ptoa(Maxmem))
free(vaddr, M_DEVBUF);
else
@ -652,7 +658,7 @@ free_bounce_page(bus_dma_tag_t dmat, struct bounce_page *bpage)
}
void
busdma_swi()
busdma_swi(void)
{
int s;
struct bus_dmamap *map;

14
sys/i386/i386/busdma_machdep.c
View File

@ -101,6 +101,14 @@ static vm_offset_t add_bounce_page(bus_dma_tag_t dmat, bus_dmamap_t map,
static void free_bounce_page(bus_dma_tag_t dmat, struct bounce_page *bpage);
static __inline int run_filter(bus_dma_tag_t dmat, bus_addr_t paddr);
/*
* Return true if a match is made.
*
* To find a match walk the chain of bus_dma_tag_t's looking for 'paddr'.
*
* If paddr is within the bounds of the dma tag then call the filter callback
* to check for a match, if there is no filter callback then assume a match.
*/
static __inline int
run_filter(bus_dma_tag_t dmat, bus_addr_t paddr)
{
@ -347,7 +355,7 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
/*
* Free a piece of memory and it's allociated dmamap, that was allocated
* via bus_dmamem_alloc.
* via bus_dmamem_alloc. Make the same choice for free/contigfree.
*/
void
bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
@ -358,8 +366,6 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
*/
if (map != NULL)
panic("bus_dmamem_free: Invalid map freed\n");
/* XXX There is no "contigfree" and "free" doesn't work */
/* There is too a contigfree, and we need to use it here. */
if ((dmat->maxsize <= PAGE_SIZE) && dmat->lowaddr >= ptoa(Maxmem))
free(vaddr, M_DEVBUF);
else
@ -652,7 +658,7 @@ free_bounce_page(bus_dma_tag_t dmat, struct bounce_page *bpage)
}
void
busdma_swi()
busdma_swi(void)
{
int s;
struct bus_dmamap *map;