diff options
author | Paul Mundt <lethal@linux-sh.org> | 2012-01-12 13:11:43 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2012-01-12 13:11:43 +0900 |
commit | b1bdd255661369cb6eb90b6e181169b5e6d0f9b6 (patch) | |
tree | 17d15f3a6dc5bdd6205070dbef0e339421b13d25 /arch/arm/plat-samsung/dma-ops.c | |
parent | Merge branch 'sh/hwblk' into sh-latest (diff) | |
parent | sh: sh2a: Improve cache flush/invalidate functions (diff) | |
download | linux-dev-b1bdd255661369cb6eb90b6e181169b5e6d0f9b6.tar.xz linux-dev-b1bdd255661369cb6eb90b6e181169b5e6d0f9b6.zip |
Merge branch 'sh/nommu' into sh-latest
Diffstat (limited to 'arch/arm/plat-samsung/dma-ops.c')
-rw-r--r-- | arch/arm/plat-samsung/dma-ops.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c index 93a994a5dd8f..2cded872f22b 100644 --- a/arch/arm/plat-samsung/dma-ops.c +++ b/arch/arm/plat-samsung/dma-ops.c @@ -18,23 +18,24 @@ #include <mach/dma.h> -static inline bool pl330_filter(struct dma_chan *chan, void *param) -{ - struct dma_pl330_peri *peri = chan->private; - return peri->peri_id == (unsigned)param; -} - static unsigned samsung_dmadev_request(enum dma_ch dma_ch, struct samsung_dma_info *info) { struct dma_chan *chan; dma_cap_mask_t mask; struct dma_slave_config slave_config; + void *filter_param; dma_cap_zero(mask); dma_cap_set(info->cap, mask); - chan = dma_request_channel(mask, pl330_filter, (void *)dma_ch); + /* + * If a dma channel property of a device node from device tree is + * specified, use that as the fliter parameter. + */ + filter_param = (dma_ch == DMACH_DT_PROP) ? (void *)info->dt_dmach_prop : + (void *)dma_ch; + chan = dma_request_channel(mask, pl330_filter, filter_param); if (info->direction == DMA_FROM_DEVICE) { memset(&slave_config, 0, sizeof(struct dma_slave_config)); |