linux-kernel - [PATCH 4/9] staging: octeon: move common poll code into a separate function

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Message-Id: <20160830184753.21006-5-aaro.koskinen@iki.fi>
Date:   Tue, 30 Aug 2016 21:47:48 +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 4/9] staging: octeon: move common poll code into a separate function

Move common poll code into a separate function.

Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
---
 drivers/staging/octeon/ethernet-rx.c | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 27e3459..140e8af 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -143,14 +143,7 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
 	return 0;
 }
 
-/**
- * cvm_oct_napi_poll - the NAPI poll function.
- * @napi: The NAPI instance, or null if called from cvm_oct_poll_controller
- * @budget: Maximum number of packets to receive.
- *
- * Returns the number of packets processed.
- */
-static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
+static int cvm_oct_poll(int budget)
 {
 	const int	coreid = cvmx_get_core_num();
 	u64	old_group_mask;
@@ -410,7 +403,23 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
 	}
 	cvm_oct_rx_refill_pool(0);
 
-	if (rx_count < budget && napi) {
+	return rx_count;
+}
+
+/**
+ * cvm_oct_napi_poll - the NAPI poll function.
+ * @napi: The NAPI instance.
+ * @budget: Maximum number of packets to receive.
+ *
+ * Returns the number of packets processed.
+ */
+static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
+{
+	int rx_count;
+
+	rx_count = cvm_oct_poll(budget);
+
+	if (rx_count < budget) {
 		/* No more work */
 		napi_complete(napi);
 		enable_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group);
@@ -427,7 +436,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
  */
 void cvm_oct_poll_controller(struct net_device *dev)
 {
-	cvm_oct_napi_poll(NULL, 16);
+	cvm_oct_poll(16);
 }
 #endif
 
-- 
2.9.2