diff options
| author |   Akinobu Mita <akinobu.mita@gmail.com> | 2012-10-26 23:35:15 +0900 |
|---|---|---|
| committer |   Vinod Koul <vinod.koul@intel.com> | 2013-01-07 22:04:53 -0800 |
| commit | e5a087fdc1ebe5bba40bcecb53c28a0af70e3b47 (patch) | |
| tree | 729413f91a92c1ce3a98fffa273363a17ff44666 /include/linux/dmaengine.h | |
| parent | dw_dmac: introduce to_dw_desc() macro (diff) | |
| download | linux-dev-e5a087fdc1ebe5bba40bcecb53c28a0af70e3b47.tar.xz linux-dev-e5a087fdc1ebe5bba40bcecb53c28a0af70e3b47.zip | |
dmaengine: use for_each_set_bit
Use for_each_set_bit() to implement for_each_dma_cap_mask() and
remove unused first_dma_cap() and next_dma_cap().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <djbw@fb.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/dmaengine.h | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index c88f302d91c9..4c8643794e0d 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -849,20 +849,6 @@ static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx) return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK; } -#define first_dma_cap(mask) __first_dma_cap(&(mask)) -static inline int __first_dma_cap(const dma_cap_mask_t *srcp) -{ - return min_t(int, DMA_TX_TYPE_END, - find_first_bit(srcp->bits, DMA_TX_TYPE_END)); -} - -#define next_dma_cap(n, mask) __next_dma_cap((n), &(mask)) -static inline int __next_dma_cap(int n, const dma_cap_mask_t *srcp) -{ - return min_t(int, DMA_TX_TYPE_END, - find_next_bit(srcp->bits, DMA_TX_TYPE_END, n+1)); -} - #define dma_cap_set(tx, mask) __dma_cap_set((tx), &(mask)) static inline void __dma_cap_set(enum dma_transaction_type tx_type, dma_cap_mask_t *dstp) @@ -891,9 +877,7 @@ __dma_has_cap(enum dma_transaction_type tx_type, dma_cap_mask_t *srcp) } #define for_each_dma_cap_mask(cap, mask) \ - for ((cap) = first_dma_cap(mask); \ - (cap) < DMA_TX_TYPE_END; \ - (cap) = next_dma_cap((cap), (mask))) + for_each_set_bit(cap, mask.bits, DMA_TX_TYPE_END) /** * dma_async_issue_pending - flush pending transactions to HW |