diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
commit | bf61c8840efe60fd8f91446860b63338fb424158 (patch) | |
tree | 7a71832407a4f0d6346db773343f4c3ae2257b19 /drivers/dma/at_hdmac.c | |
parent | 5846115b30f3a881e542c8bfde59a699c1c13740 (diff) | |
parent | 0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff) |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'drivers/dma/at_hdmac.c')
-rw-r--r-- | drivers/dma/at_hdmac.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 13a02f4425b..6e13f262139 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -778,7 +778,7 @@ err: */ static int atc_dma_cyclic_check_values(unsigned int reg_width, dma_addr_t buf_addr, - size_t period_len, enum dma_transfer_direction direction) + size_t period_len) { if (period_len > (ATC_BTSIZE_MAX << reg_width)) goto err_out; @@ -786,8 +786,6 @@ atc_dma_cyclic_check_values(unsigned int reg_width, dma_addr_t buf_addr, goto err_out; if (unlikely(buf_addr & ((1 << reg_width) - 1))) goto err_out; - if (unlikely(!(direction & (DMA_DEV_TO_MEM | DMA_MEM_TO_DEV)))) - goto err_out; return 0; @@ -886,14 +884,16 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, return NULL; } + if (unlikely(!is_slave_direction(direction))) + goto err_out; + if (sconfig->direction == DMA_MEM_TO_DEV) reg_width = convert_buswidth(sconfig->dst_addr_width); else reg_width = convert_buswidth(sconfig->src_addr_width); /* Check for too big/unaligned periods and unaligned DMA buffer */ - if (atc_dma_cyclic_check_values(reg_width, buf_addr, - period_len, direction)) + if (atc_dma_cyclic_check_values(reg_width, buf_addr, period_len)) goto err_out; /* build cyclic linked list */ |