2021-08-23 06:34:12

by Aaron Ma

Subject: [PATCH] ath11k: qmi: avoid error messages when dma allocation fails

qmi tries to allocate a large contiguous dma memory at first,
on the AMD Ryzen platform it fails, then retries with small slices.
So set flag GFP_NOWARN to avoid flooding dmesg.

Signed-off-by: Aaron Ma <[email protected]>
---
drivers/net/wireless/ath/ath11k/qmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index b5e34d670715..d6270e96d46c 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -1770,7 +1770,7 @@ static int ath11k_qmi_alloc_target_mem_chunk(struct ath11k_base *ab)
chunk->vaddr = dma_alloc_coherent(ab->dev,
chunk->size,
&chunk->paddr,
- GFP_KERNEL);
+ GFP_KERNEL | __GFP_NOWARN);
if (!chunk->vaddr) {
if (ab->qmi.mem_seg_count <= ATH11K_QMI_FW_MEM_REQ_SEGMENT_CNT) {
ath11k_dbg(ab, ATH11K_DBG_QMI,
--
2.30.2

2021-09-28 10:56:25

by Kalle Valo

Subject: Re: [PATCH] ath11k: qmi: avoid error messages when dma allocation fails

Aaron Ma <[email protected]> wrote:

> qmi tries to allocate a large contiguous dma memory at first,
> on the AMD Ryzen platform it fails, then retries with small slices.
> So set flag GFP_NOWARN to avoid flooding dmesg.
>
> Signed-off-by: Aaron Ma <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>

Patch applied to ath-next branch of ath.git, thanks.

b9b5948cdd7b ath11k: qmi: avoid error messages when dma allocation fails

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches