diff options
| author | Manuel Lauss <mlau@msc-ge.com> | 2008-05-07 13:45:23 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-06-05 18:13:14 +0100 |
| commit | ccdb0034f8d5321be42c479dd7fc872ba2a46adb (patch) | |
| tree | 0259d6f41a41959e407a514cb712839e7466960e | |
| parent | b1fb05cdb9096e3fe1af4474e108dedce2515801 (diff) | |
[MIPS] Alchemy: dbdma: add API to delete custom DDMA device ids.
Add API to delete custom DDMA device ids create with
au1xxx_ddma_device_add().
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/au1000/common/dbdma.c | 11 | ||||
| -rw-r--r-- | include/asm-mips/mach-au1x00/au1xxx_dbdma.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 42d555236de1..601ee9180ee4 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -216,6 +216,17 @@ u32 au1xxx_ddma_add_device(dbdev_tab_t *dev) } EXPORT_SYMBOL(au1xxx_ddma_add_device); +void au1xxx_ddma_del_device(u32 devid) +{ + dbdev_tab_t *p = find_dbdev_id(devid); + + if (p != NULL) { + memset(p, 0, sizeof(dbdev_tab_t)); + p->dev_id = ~0; + } +} +EXPORT_SYMBOL(au1xxx_ddma_del_device); + /* Allocate a channel and return a non-zero descriptor if successful. */ u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, void (*callback)(int, void *), void *callparam) diff --git a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h b/include/asm-mips/mach-au1x00/au1xxx_dbdma.h index ad17d7ce516a..44a67bf05dc1 100644 --- a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h +++ b/include/asm-mips/mach-au1x00/au1xxx_dbdma.h @@ -355,6 +355,7 @@ void au1xxx_dbdma_dump(u32 chanid); u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr); u32 au1xxx_ddma_add_device(dbdev_tab_t *dev); +extern void au1xxx_ddma_del_device(u32 devid); void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp); /* |