From a9730354ca26e16f80ddda3c88fd08075afe7078 Mon Sep 17 00:00:00 2001 From: Peter Chiu Date: Wed, 8 Oct 2025 12:41:49 +0200 Subject: [PATCH] wifi: mt76: use GFP_DMA32 for page_pool buffer allocation 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 Tested-by: Matteo Croce Signed-off-by: Peter Chiu Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Link: https://patch.msgid.link/20251008-wed-fixes-v1-2-8f7678583385@kernel.org Signed-off-by: Felix Fietkau --- 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 e0a036b03b032..37e1d9e249327 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1877,7 +1877,8 @@ 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; -- 2.47.3