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Message-ID: <bc99a70ec713e9fdf7c60a6a685a546aa3073a75.1722356015.git.lorenzo@kernel.org>
Date: Tue, 30 Jul 2024 18:22:44 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: netdev@...r.kernel.org
Cc: nbd@....name,
lorenzo.bianconi83@...il.com,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
linux-arm-kernel@...ts.infradead.org,
upstream@...oha.com,
angelogioacchino.delregno@...labora.com,
benjamin.larsson@...exis.eu,
rkannoth@...vell.com,
sgoutham@...vell.com,
andrew@...n.ch,
arnd@...db.de,
horms@...nel.org
Subject: [PATCH net-next 5/9] net: airoha: Use qdma pointer as private structure in airoha_irq_handler routine
This is a preliminary patch to support multi-QDMA controllers.
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
drivers/net/ethernet/mediatek/airoha_eth.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/airoha_eth.c b/drivers/net/ethernet/mediatek/airoha_eth.c
index 763b8df73552..18a0c8889073 100644
--- a/drivers/net/ethernet/mediatek/airoha_eth.c
+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
@@ -1975,8 +1975,7 @@ static int airoha_qdma_hw_init(struct airoha_qdma *qdma)
static irqreturn_t airoha_irq_handler(int irq, void *dev_instance)
{
- struct airoha_eth *eth = dev_instance;
- struct airoha_qdma *qdma = ð->qdma[0];
+ struct airoha_qdma *qdma = dev_instance;
u32 intr[ARRAY_SIZE(qdma->irqmask)];
int i;
@@ -1986,7 +1985,7 @@ static irqreturn_t airoha_irq_handler(int irq, void *dev_instance)
airoha_qdma_wr(qdma, REG_INT_STATUS(i), intr[i]);
}
- if (!test_bit(DEV_STATE_INITIALIZED, ð->state))
+ if (!test_bit(DEV_STATE_INITIALIZED, &qdma->eth->state))
return IRQ_NONE;
if (intr[1] & RX_DONE_INT_MASK) {
@@ -2039,7 +2038,7 @@ static int airoha_qdma_init(struct platform_device *pdev,
return qdma->irq;
err = devm_request_irq(eth->dev, qdma->irq, airoha_irq_handler,
- IRQF_SHARED, KBUILD_MODNAME, eth);
+ IRQF_SHARED, KBUILD_MODNAME, qdma);
if (err)
return err;
--
2.45.2
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