* [PATCH] ath10k: use dma_zalloc_coherent instead of allocator/memset
@ 2018-06-04 12:35 YueHaibing
2018-06-14 15:12 ` Kalle Valo
0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2018-06-04 12:35 UTC (permalink / raw)
To: davem, kvalo; +Cc: netdev, linux-kernel, linux-wireless, YueHaibing
Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/net/wireless/ath/ath10k/wmi.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index f97ab79..72db3bd 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -5018,13 +5018,11 @@ static int ath10k_wmi_alloc_chunk(struct ath10k *ar, u32 req_id,
void *vaddr;
pool_size = num_units * round_up(unit_len, 4);
- vaddr = dma_alloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL);
+ vaddr = dma_zalloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL);
if (!vaddr)
return -ENOMEM;
- memset(vaddr, 0, pool_size);
-
ar->wmi.mem_chunks[idx].vaddr = vaddr;
ar->wmi.mem_chunks[idx].paddr = paddr;
ar->wmi.mem_chunks[idx].len = pool_size;
--
2.7.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: ath10k: use dma_zalloc_coherent instead of allocator/memset
2018-06-04 12:35 [PATCH] ath10k: use dma_zalloc_coherent instead of allocator/memset YueHaibing
@ 2018-06-14 15:12 ` Kalle Valo
0 siblings, 0 replies; 2+ messages in thread
From: Kalle Valo @ 2018-06-14 15:12 UTC (permalink / raw)
To: YueHaibing; +Cc: davem, netdev, linux-kernel, linux-wireless, YueHaibing
YueHaibing <yuehaibing@huawei.com> wrote:
> Use dma_zalloc_coherent instead of dma_alloc_coherent
> followed by memset 0.
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Patch applied to ath-next branch of ath.git, thanks.
9fb31b66b91f ath10k: use dma_zalloc_coherent instead of allocator/memset
--
https://patchwork.kernel.org/patch/10446535/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
^ permalink raw reply [flat|nested] 2+ messages in thread
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