[MIPS] Alchemy: dbdma: add API to delete custom DDMA device ids.
authorManuel Lauss <mlau@msc-ge.com>
Wed, 7 May 2008 11:45:23 +0000 (13:45 +0200)
committerRalf Baechle <ralf@linux-mips.org>
Thu, 5 Jun 2008 17:13:14 +0000 (18:13 +0100)
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>
arch/mips/au1000/common/dbdma.c
include/asm-mips/mach-au1x00/au1xxx_dbdma.h

index 42d555236de15bbd4bc731554fb54a8ab305d6d1..601ee9180ee4fcad79ce0837b4f3c63b73a88348 100644 (file)
@@ -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)
index ad17d7ce516abcad29e894f4cdd8172ad8892dd0..44a67bf05dc19aff393d72ca3bb999e1a1c8bda1 100644 (file)
@@ -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);
 
 /*