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net: airoha: use int instead of atomic_t for qdma users counter

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QDMA users counter is always accessed holding RTNL lock so we do not
require atomic_t for it.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2026-06-11 23:55:51 +02:00 committed by Jakub Kicinski
parent 7f80f60161
commit a459b560e5
2 changed files with 3 additions and 3 deletions
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4
drivers/net/ethernet/airoha/airoha_eth.c
View File

@ -1840,7 +1840,7 @@ static int airoha_dev_open(struct net_device *netdev)
airoha_qdma_set(qdma, REG_QDMA_GLOBAL_CFG,
GLOBAL_CFG_TX_DMA_EN_MASK |
GLOBAL_CFG_RX_DMA_EN_MASK);
atomic_inc(&qdma->users);
qdma->users++;
if (!airoha_is_lan_gdm_dev(dev) &&
airoha_ppe_is_enabled(qdma->eth, 1))
@ -1894,7 +1894,7 @@ static int airoha_dev_stop(struct net_device *netdev)
REG_GDM_FWD_CFG(port->id),
FE_PSE_PORT_DROP);
if (atomic_dec_and_test(&qdma->users)) {
if (!--qdma->users) {
airoha_qdma_clear(qdma, REG_QDMA_GLOBAL_CFG,
GLOBAL_CFG_TX_DMA_EN_MASK |
GLOBAL_CFG_RX_DMA_EN_MASK);

2
drivers/net/ethernet/airoha/airoha_eth.h
View File

@ -524,7 +524,7 @@ struct airoha_qdma {
struct airoha_eth *eth;
void __iomem *regs;
atomic_t users;
int users;
struct airoha_irq_bank irq_banks[AIROHA_MAX_NUM_IRQ_BANKS];