Messages in this thread Patch in this message |  | | | Date | Thu, 8 May 2008 10:02:11 +0200 | | From | Manuel Lauss <> | | Subject | [PATCH 2/7] Alchemy: dbdma: add API to delete custom DDMA device ids |
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From 41ebbbe49861a65f28947768db7945a5099673d3 Mon Sep 17 00:00:00 2001 From: Manuel Lauss <mlau@msc-ge.com> Date: Wed, 7 May 2008 13:45:23 +0200 Subject: [PATCH] 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> --- 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
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