* [PATCH] dmaengine: use for_each_set_bit
@ 2012-10-26 14:35 Akinobu Mita
2012-10-29 5:53 ` Vinod Koul
0 siblings, 1 reply; 2+ messages in thread
From: Akinobu Mita @ 2012-10-26 14:35 UTC (permalink / raw)
To: linux-kernel, akpm; +Cc: Akinobu Mita, Vinod Koul, Dan Williams
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>
---
include/linux/dmaengine.h | 18 +-----------------
1 file changed, 1 insertion(+), 17 deletions(-)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index d3201e4..6402b18 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
--
1.7.11.7
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] dmaengine: use for_each_set_bit
2012-10-26 14:35 [PATCH] dmaengine: use for_each_set_bit Akinobu Mita
@ 2012-10-29 5:53 ` Vinod Koul
0 siblings, 0 replies; 2+ messages in thread
From: Vinod Koul @ 2012-10-29 5:53 UTC (permalink / raw)
To: Akinobu Mita; +Cc: vinod.koul, linux-kernel, akpm, Dan Williams
On Fri, 2012-10-26 at 23:35 +0900, Akinobu Mita wrote:
> Use for_each_set_bit() to implement for_each_dma_cap_mask() and
> remove unused first_dma_cap() and next_dma_cap().
Applied thanks
--
Vinod Koul
Intel Corp.
^ permalink raw reply [flat|nested] 2+ messages in thread
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