From: Lorenzo Bianconi <lorenzo@kernel.org>
To: Felix Fietkau <nbd@nbd.name>, Ryder Lee <ryder.lee@mediatek.com>,
Shayne Chen <shayne.chen@mediatek.com>,
Sean Wang <sean.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Sujuan Chen <sujuan.chen@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>
Cc: linux-wireless@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
Peter Chiu <chui-hao.chiu@mediatek.com>,
Daniel Pawlik <pawlik.dan@gmail.com>,
Matteo Croce <teknoraver@meta.com>
Subject: [PATCH mt76 2/2] wifi: mt76: use GFP_DMA32 for page_pool buffer allocation
Date: Wed, 08 Oct 2025 12:41:49 +0200 [thread overview]
Message-ID: <20251008-wed-fixes-v1-2-8f7678583385@kernel.org> (raw)
In-Reply-To: <20251008-wed-fixes-v1-0-8f7678583385@kernel.org>
From: Peter Chiu <chui-hao.chiu@mediatek.com>
Set GFP_DMA32 flag for page_pool buffers allocation since the hw relies
on 32-bit DMA addresses for WED offloading.
Tested-by: Daniel Pawlik <pawlik.dan@gmail.com>
Tested-by: Matteo Croce <teknoraver@meta.com>
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 7753afa3d883d6c7104bbb68d1d61b562e828ac5..aed5dc347ab11903ed34ac33bc20dea63a9e926c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -1869,7 +1869,8 @@ mt76_get_page_pool_buf(struct mt76_queue *q, u32 *offset, u32 size)
{
struct page *page;
- page = page_pool_dev_alloc_frag(q->page_pool, offset, size);
+ page = page_pool_alloc_frag(q->page_pool, offset, size,
+ GFP_ATOMIC | __GFP_NOWARN | GFP_DMA32);
if (!page)
return NULL;
--
2.51.0
prev parent reply other threads:[~2025-10-08 10:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-08 10:41 [PATCH mt76 0/2] wifi: mt76: Some WED fixes Lorenzo Bianconi
2025-10-08 10:41 ` [PATCH mt76 1/2] wifi: mt76: wed: use proper wed reference in mt76 wed driver callabacks Lorenzo Bianconi
2025-10-08 10:41 ` Lorenzo Bianconi [this message]
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