Commit 09aa788f authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Paolo Abeni
Browse files

net: airoha: Do not store hfwd references in airoha_qdma struct 



Since hfwd descriptor and buffer queues are allocated via
dmam_alloc_coherent() we do not need to store their references
in airoha_qdma struct. This patch does not introduce any logical changes,
just code clean-up.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250521-airopha-desc-sram-v3-2-a6e9b085b4f0@kernel.org


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 2d13b45f

drivers/net/ethernet/airoha/airoha_eth.c

+2 −6
Original line number Diff line number Diff line
@@ -1077,17 +1077,13 @@ static int airoha_qdma_init_hfwd_queues(struct airoha_qdma *qdma) 
	int size;



	size = HW_DSCP_NUM * sizeof(struct airoha_qdma_fwd_desc);

	qdma->hfwd.desc = dmam_alloc_coherent(eth->dev, size, &dma_addr,

					      GFP_KERNEL);

	if (!qdma->hfwd.desc)

	if (!dmam_alloc_coherent(eth->dev, size, &dma_addr, GFP_KERNEL))

		return -ENOMEM;



	airoha_qdma_wr(qdma, REG_FWD_DSCP_BASE, dma_addr);



	size = AIROHA_MAX_PACKET_SIZE * HW_DSCP_NUM;

	qdma->hfwd.q = dmam_alloc_coherent(eth->dev, size, &dma_addr,

					   GFP_KERNEL);

	if (!qdma->hfwd.q)

	if (!dmam_alloc_coherent(eth->dev, size, &dma_addr, GFP_KERNEL))

		return -ENOMEM;



	airoha_qdma_wr(qdma, REG_FWD_BUF_BASE, dma_addr);

drivers/net/ethernet/airoha/airoha_eth.h

+0 −6
Original line number Diff line number Diff line
@@ -513,12 +513,6 @@ struct airoha_qdma { 


	struct airoha_queue q_tx[AIROHA_NUM_TX_RING];

	struct airoha_queue q_rx[AIROHA_NUM_RX_RING];



	/* descriptor and packet buffers for qdma hw forward */

	struct {

		void *desc;

		void *q;

	} hfwd;

};



struct airoha_gdm_port {