[PATCH] Alchemy: dbdma: add API to delete custom DDMA device ids.

From: Manuel Lauss
Date: Wed May 07 2008 - 07:45:23 EST


Add API to delete custom DDMA device ids create with
au1xxx_ddma_device_add().

Signed-off-by: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx>
---
arch/mips/au1000/common/dbdma.c | 10 ++++++++++
include/asm-mips/mach-au1x00/au1xxx_dbdma.h | 1 +
2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index 53377df..69171c6 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -220,6 +220,16 @@ 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
diff --git a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h b/include/asm-mips/mach-au1x00/au1xxx_dbdma.h
index 93d507c..5e33ff0 100644
--- a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h
+++ b/include/asm-mips/mach-au1x00/au1xxx_dbdma.h
@@ -367,6 +367,7 @@ 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 );
+void au1xxx_ddma_del_device(u32 devid);
void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp);

/*
--
1.5.5.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/