linux-kernel - [PATCH v2 08/24] net: ethernet: ti: Switch to use hrtimer

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Message-Id: <bd34d3d0dba9a47b6ec5d14776941e9aa118c7d2.1738746872.git.namcao@linutronix.de>
Date: Wed,  5 Feb 2025 11:43:28 +0100
From: Nam Cao <namcao@...utronix.de>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH v2 08/24] net: ethernet: ti: Switch to use hrtimer_setup()

hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.

Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.

Patch was created by using Coccinelle.

Signed-off-by: Nam Cao <namcao@...utronix.de>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Paolo Abeni <pabeni@...hat.com>
---
 drivers/net/ethernet/ti/am65-cpsw-nuss.c     | 9 ++++-----
 drivers/net/ethernet/ti/icssg/icssg_common.c | 5 ++---
 drivers/net/ethernet/ti/icssg/icssg_prueth.c | 5 ++---
 3 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index b663271e79f7..bf2d51ecd50e 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2299,8 +2299,8 @@ static int am65_cpsw_nuss_ndev_add_tx_napi(struct am65_cpsw_common *common)
 	for (i = 0; i < common->tx_ch_num; i++) {
 		struct am65_cpsw_tx_chn *tx_chn = &common->tx_chns[i];
 
-		hrtimer_init(&tx_chn->tx_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
-		tx_chn->tx_hrtimer.function = &am65_cpsw_nuss_tx_timer_callback;
+		hrtimer_setup(&tx_chn->tx_hrtimer, &am65_cpsw_nuss_tx_timer_callback,
+			      CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
 
 		ret = devm_request_irq(dev, tx_chn->irq,
 				       am65_cpsw_nuss_tx_irq,
@@ -2553,9 +2553,8 @@ static int am65_cpsw_nuss_init_rx_chns(struct am65_cpsw_common *common)
 		snprintf(flow->name,
 			 sizeof(flow->name), "%s-rx%d",
 			 dev_name(dev), i);
-		hrtimer_init(&flow->rx_hrtimer, CLOCK_MONOTONIC,
-			     HRTIMER_MODE_REL_PINNED);
-		flow->rx_hrtimer.function = &am65_cpsw_nuss_rx_timer_callback;
+		hrtimer_setup(&flow->rx_hrtimer, &am65_cpsw_nuss_rx_timer_callback, CLOCK_MONOTONIC,
+			      HRTIMER_MODE_REL_PINNED);
 
 		ret = devm_request_irq(dev, flow->irq,
 				       am65_cpsw_nuss_rx_irq,
diff --git a/drivers/net/ethernet/ti/icssg/icssg_common.c b/drivers/net/ethernet/ti/icssg/icssg_common.c
index 74f0f200a89d..6c1b8ff563e0 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_common.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_common.c
@@ -249,9 +249,8 @@ int prueth_ndev_add_tx_napi(struct prueth_emac *emac)
 		struct prueth_tx_chn *tx_chn = &emac->tx_chns[i];
 
 		netif_napi_add_tx(emac->ndev, &tx_chn->napi_tx, emac_napi_tx_poll);
-		hrtimer_init(&tx_chn->tx_hrtimer, CLOCK_MONOTONIC,
-			     HRTIMER_MODE_REL_PINNED);
-		tx_chn->tx_hrtimer.function = &emac_tx_timer_callback;
+		hrtimer_setup(&tx_chn->tx_hrtimer, &emac_tx_timer_callback, CLOCK_MONOTONIC,
+			      HRTIMER_MODE_REL_PINNED);
 		ret = request_irq(tx_chn->irq, prueth_tx_irq,
 				  IRQF_TRIGGER_HIGH, tx_chn->name,
 				  tx_chn);
diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 00ed97860547..d3bdde6bd3aa 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -1169,9 +1169,8 @@ static int prueth_netdev_init(struct prueth *prueth,
 	ndev->hw_features |= NETIF_PRUETH_HSR_OFFLOAD_FEATURES;
 
 	netif_napi_add(ndev, &emac->napi_rx, icssg_napi_rx_poll);
-	hrtimer_init(&emac->rx_hrtimer, CLOCK_MONOTONIC,
-		     HRTIMER_MODE_REL_PINNED);
-	emac->rx_hrtimer.function = &emac_rx_timer_callback;
+	hrtimer_setup(&emac->rx_hrtimer, &emac_rx_timer_callback, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL_PINNED);
 	prueth->emac[mac] = emac;
 
 	return 0;
-- 
2.39.5