Don't open code ilog2 -> remove dma_align_sizetobits
Cc: Brett Rudley <brud...@broadcom.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Fabian Frederick <f...@skynet.be>
---
drivers/net/wireless/brcm80211/brcmsmac/dma.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
index 4fb9635..7128c78 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
@@ -451,15 +451,6 @@ static void *dma_alloc_consistent(struct dma_info *di,
uint size,
return dma_alloc_coherent(di->dmadev, size, pap, GFP_ATOMIC);
}
-static
-u8 dma_align_sizetobits(uint size)
-{
- u8 bitpos = 0;
- while (size >>= 1)
- bitpos++;
- return bitpos;
-}
-
/* This function ensures that the DMA descriptor ring will not get allocated
* across Page boundary. If the allocation is done across the page boundary
* at the first time, then it is freed and the allocation is done at
@@ -482,7 +473,7 @@ static void *dma_ringalloc(struct dma_info *di, u32
boundary, uint size,
desc_strtaddr = (u32) roundup((unsigned long)va, alignbytes);
if (((desc_strtaddr + size - 1) & boundary) != (desc_strtaddr
& boundary)) {
- *alignbits = dma_align_sizetobits(size);
+ *alignbits = ilog2(size);
dma_free_coherent(di->dmadev, size, va, *descpa);
va = dma_alloc_consistent(di, size, *alignbits,
alloced, descpa);
--
1.8.4.5
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