diff options
author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-09 01:49:58 +0200 |
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committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-09 02:14:15 +0200 |
commit | d9a145fb6e5f37b9903dea8371ab5c3e34e8e2d1 (patch) | |
tree | e2b4bb46fa00f0ad20447e40dba6fb21a4ae0815 /arch/arm/plat-omap/dma.c | |
parent | c9243f5bdd6637b2bb7dc254b54d9edf957ef17e (diff) | |
parent | 45d7f32c7a43cbb9592886d38190e379e2eb2226 (diff) |
Merge commit 'linus/master' into bkl/core
Merge reason: The staging tree has introduced the easycap
driver lately. We need the latest updates to pushdown the
bkl in its ioctl helper.
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r-- | arch/arm/plat-omap/dma.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index f7f571e7987..ec7eddf9e52 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -290,7 +290,7 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, val = dma_read(CCR(lch)); /* DMA_SYNCHRO_CONTROL_UPPER depends on the channel number */ - val &= ~((3 << 19) | 0x1f); + val &= ~((1 << 23) | (3 << 19) | 0x1f); val |= (dma_trigger & ~0x1f) << 14; val |= dma_trigger & 0x1f; @@ -304,11 +304,14 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, else val &= ~(1 << 18); - if (src_or_dst_synch) + if (src_or_dst_synch == OMAP_DMA_DST_SYNC_PREFETCH) { + val &= ~(1 << 24); /* dest synch */ + val |= (1 << 23); /* Prefetch */ + } else if (src_or_dst_synch) { val |= 1 << 24; /* source synch */ - else + } else { val &= ~(1 << 24); /* dest synch */ - + } dma_write(val, CCR(lch)); } |