Commit 402e0109 authored by Felix Fietkau's avatar Felix Fietkau
Browse files

mt76: dma: use kzalloc instead of devm_kzalloc for txwi 



dma unmap is already needed for cleanup anyway, so we don't need the extra
tracking and can save a bit of memory here

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 9912a463

drivers/net/wireless/mediatek/mt76/dma.c

+4 −2
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ mt76_alloc_txwi(struct mt76_dev *dev) 
	int size;



	size = L1_CACHE_ALIGN(dev->drv->txwi_size + sizeof(*t));

	txwi = devm_kzalloc(dev->dev, size, GFP_ATOMIC);

	txwi = kzalloc(size, GFP_ATOMIC);

	if (!txwi)

		return NULL;
@@ -73,9 +73,11 @@ mt76_free_pending_txwi(struct mt76_dev *dev) 
	struct mt76_txwi_cache *t;



	local_bh_disable();

	while ((t = __mt76_get_txwi(dev)) != NULL)

	while ((t = __mt76_get_txwi(dev)) != NULL) {

		dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size,

				 DMA_TO_DEVICE);

		kfree(mt76_get_txwi_ptr(dev, t));

	}

	local_bh_enable();

}