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authorManuel Lauss <mlau@msc-ge.com>2008-05-07 13:45:23 +0200
committerRalf Baechle <ralf@linux-mips.org>2008-06-05 19:13:14 +0200
commitccdb0034f8d5321be42c479dd7fc872ba2a46adb (patch)
tree0259d6f41a41959e407a514cb712839e7466960e /arch/mips/au1000/common
parent[MIPS] Alchemy: export get_au1x00_speed for modules (diff)
downloadlinux-ccdb0034f8d5321be42c479dd7fc872ba2a46adb.tar.xz
linux-ccdb0034f8d5321be42c479dd7fc872ba2a46adb.zip
[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>
Diffstat (limited to 'arch/mips/au1000/common')
-rw-r--r--arch/mips/au1000/common/dbdma.c11
1 files changed, 11 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)