linux-kernel - [PATCH 1/9] staging: octeon: disable rx interrupts in oct_rx

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Date:   Tue, 30 Aug 2016 21:47:45 +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 1/9] staging: octeon: disable rx interrupts in oct_rx_shutdown

Disable RX interrupts in oct_rx_shutdown(). This way we don't need to
expose the RX IRQ numbers outside the RX module.

Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
---
 drivers/staging/octeon/ethernet-rx.c | 9 +++++++++
 drivers/staging/octeon/ethernet.c    | 9 ---------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index a10fe3a..5b26f2a 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -495,5 +495,14 @@ void cvm_oct_rx_initialize(void)
 
 void cvm_oct_rx_shutdown(void)
 {
+	/* Disable POW interrupt */
+	if (OCTEON_IS_MODEL(OCTEON_CN68XX))
+		cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(pow_receive_group), 0);
+	else
+		cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0);
+
+	/* Free the interrupt handler */
+	free_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group, cvm_oct_device);
+
 	netif_napi_del(&cvm_oct_napi);
 }
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 073a1e3..1e2e1ef 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -853,17 +853,8 @@ static int cvm_oct_remove(struct platform_device *pdev)
 {
 	int port;
 
-	/* Disable POW interrupt */
-	if (OCTEON_IS_MODEL(OCTEON_CN68XX))
-		cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(pow_receive_group), 0);
-	else
-		cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0);
-
 	cvmx_ipd_disable();
 
-	/* Free the interrupt handler */
-	free_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group, cvm_oct_device);
-
 	atomic_inc_return(&cvm_oct_poll_queue_stopping);
 	cancel_delayed_work_sync(&cvm_oct_rx_refill_work);
 
-- 
2.9.2