linux-kernel - [PATCH v2 03/11] staging: octeon: pass the NAPI instance reference to irq handler

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Date:   Wed, 31 Aug 2016 23:57:38 +0300
From:   Aaro Koskinen <aaro.koskinen@....fi>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Daney <ddaney@...iumnetworks.com>,
        Ed Swierk <eswierk@...portsystems.com>,
        devel@...verdev.osuosl.org
Cc:     linux-kernel@...r.kernel.org, Aaro Koskinen <aaro.koskinen@....fi>
Subject: [PATCH v2 03/11] staging: octeon: pass the NAPI instance reference to irq handler

Pass the NAPI instance reference to the interrupt handler.
This is preparation for having multiple NAPI instances.

Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
---
 drivers/staging/octeon/ethernet-rx.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 808c415..27e3459 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -48,16 +48,16 @@ static struct napi_struct cvm_oct_napi;
 /**
  * cvm_oct_do_interrupt - interrupt handler.
  * @irq: Interrupt number.
- * @dev_id: Cookie to identify the device. Unused
+ * @napi_id: Cookie to identify the NAPI instance.
  *
  * The interrupt occurs whenever the POW has packets in our group.
  *
  */
-static irqreturn_t cvm_oct_do_interrupt(int irq, void *dev_id)
+static irqreturn_t cvm_oct_do_interrupt(int irq, void *napi_id)
 {
 	/* Disable the IRQ and start napi_poll. */
 	disable_irq_nosync(irq);
-	napi_schedule(&cvm_oct_napi);
+	napi_schedule(napi_id);
 
 	return IRQ_HANDLED;
 }
@@ -452,7 +452,7 @@ void cvm_oct_rx_initialize(void)
 
 	/* Register an IRQ handler to receive POW interrupts */
 	i = request_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group,
-			cvm_oct_do_interrupt, 0, "Ethernet", cvm_oct_device);
+			cvm_oct_do_interrupt, 0, "Ethernet", &cvm_oct_napi);
 
 	if (i)
 		panic("Could not acquire Ethernet IRQ %d\n",
-- 
2.9.2