linux-kernel - [PATCH 49/80] net: wwan: Remove redundant pm_runtime_mark_last

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Message-Id: <20250704075438.3220967-1-sakari.ailus@linux.intel.com>
Date: Fri,  4 Jul 2025 10:54:38 +0300
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Stephan Gerhold <stephan@...hold.net>,
	Loic Poulain <loic.poulain@....qualcomm.com>,
	Sergey Ryazanov <ryazanov.s.a@...il.com>,
	Johannes Berg <johannes@...solutions.net>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Chandrashekar Devegowda <chandrashekar.devegowda@...el.com>,
	Chiranjeevi Rapolu <chiranjeevi.rapolu@...ux.intel.com>,
	Liu Haijun <haijun.liu@...iatek.com>,
	M Chetan Kumar <m.chetan.kumar@...ux.intel.com>,
	Ricardo Martinez <ricardo.martinez@...ux.intel.com>
Cc: netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 49/80] net: wwan: Remove redundant pm_runtime_mark_last_busy() calls

pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().

Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
---
The cover letter of the set can be found here
<URL:https://lore.kernel.org/linux-pm/20250704075225.3212486-1-sakari.ailus@linux.intel.com>.

In brief, this patch depends on PM runtime patches adding marking the last
busy timestamp in autosuspend related functions. The patches are here, on
rc2:

        git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
                pm-runtime-6.17-rc1

 drivers/net/wwan/qcom_bam_dmux.c           | 2 --
 drivers/net/wwan/t7xx/t7xx_hif_cldma.c     | 3 ---
 drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c | 2 --
 drivers/net/wwan/t7xx/t7xx_hif_dpmaif_tx.c | 2 --
 4 files changed, 9 deletions(-)

diff --git a/drivers/net/wwan/qcom_bam_dmux.c b/drivers/net/wwan/qcom_bam_dmux.c
index 64dab8b57611..6a5b22589af4 100644
--- a/drivers/net/wwan/qcom_bam_dmux.c
+++ b/drivers/net/wwan/qcom_bam_dmux.c
@@ -162,7 +162,6 @@ static void bam_dmux_tx_done(struct bam_dmux_skb_dma *skb_dma)
 	struct bam_dmux *dmux = skb_dma->dmux;
 	unsigned long flags;
 
-	pm_runtime_mark_last_busy(dmux->dev);
 	pm_runtime_put_autosuspend(dmux->dev);
 
 	if (skb_dma->addr)
@@ -397,7 +396,6 @@ static void bam_dmux_tx_wakeup_work(struct work_struct *work)
 	dma_async_issue_pending(dmux->tx);
 
 out:
-	pm_runtime_mark_last_busy(dmux->dev);
 	pm_runtime_put_autosuspend(dmux->dev);
 }
 
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
index 97163e1e5783..689c920ca898 100644
--- a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
+++ b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
@@ -250,7 +250,6 @@ static void t7xx_cldma_rx_done(struct work_struct *work)
 	t7xx_cldma_clear_ip_busy(&md_ctrl->hw_info);
 	t7xx_cldma_hw_irq_en_txrx(&md_ctrl->hw_info, queue->index, MTK_RX);
 	t7xx_cldma_hw_irq_en_eq(&md_ctrl->hw_info, queue->index, MTK_RX);
-	pm_runtime_mark_last_busy(md_ctrl->dev);
 	pm_runtime_put_autosuspend(md_ctrl->dev);
 }
 
@@ -362,7 +361,6 @@ static void t7xx_cldma_tx_done(struct work_struct *work)
 	}
 	spin_unlock_irqrestore(&md_ctrl->cldma_lock, flags);
 
-	pm_runtime_mark_last_busy(md_ctrl->dev);
 	pm_runtime_put_autosuspend(md_ctrl->dev);
 }
 
@@ -987,7 +985,6 @@ int t7xx_cldma_send_skb(struct cldma_ctrl *md_ctrl, int qno, struct sk_buff *skb
 
 allow_sleep:
 	t7xx_pci_enable_sleep(md_ctrl->t7xx_dev);
-	pm_runtime_mark_last_busy(md_ctrl->dev);
 	pm_runtime_put_autosuspend(md_ctrl->dev);
 	return ret;
 }
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
index 6a7a26085fc7..15d2a65a51de 100644
--- a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
+++ b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
@@ -877,7 +877,6 @@ int t7xx_dpmaif_napi_rx_poll(struct napi_struct *napi, const int budget)
 		t7xx_dpmaif_clr_ip_busy_sts(&rxq->dpmaif_ctrl->hw_info);
 		t7xx_dpmaif_dlq_unmask_rx_done(&rxq->dpmaif_ctrl->hw_info, rxq->index);
 		t7xx_pci_enable_sleep(rxq->dpmaif_ctrl->t7xx_dev);
-		pm_runtime_mark_last_busy(rxq->dpmaif_ctrl->dev);
 		pm_runtime_put_autosuspend(rxq->dpmaif_ctrl->dev);
 		atomic_set(&rxq->rx_processing, 0);
 	} else {
@@ -1078,7 +1077,6 @@ static void t7xx_dpmaif_bat_release_work(struct work_struct *work)
 	}
 
 	t7xx_pci_enable_sleep(dpmaif_ctrl->t7xx_dev);
-	pm_runtime_mark_last_busy(dpmaif_ctrl->dev);
 	pm_runtime_put_autosuspend(dpmaif_ctrl->dev);
 }
 
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_tx.c b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_tx.c
index 8dab025a088a..236d632cf591 100644
--- a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_tx.c
+++ b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif_tx.c
@@ -185,7 +185,6 @@ static void t7xx_dpmaif_tx_done(struct work_struct *work)
 	}
 
 	t7xx_pci_enable_sleep(dpmaif_ctrl->t7xx_dev);
-	pm_runtime_mark_last_busy(dpmaif_ctrl->dev);
 	pm_runtime_put_autosuspend(dpmaif_ctrl->dev);
 }
 
@@ -468,7 +467,6 @@ static int t7xx_dpmaif_tx_hw_push_thread(void *arg)
 		t7xx_pci_disable_sleep(dpmaif_ctrl->t7xx_dev);
 		t7xx_do_tx_hw_push(dpmaif_ctrl);
 		t7xx_pci_enable_sleep(dpmaif_ctrl->t7xx_dev);
-		pm_runtime_mark_last_busy(dpmaif_ctrl->dev);
 		pm_runtime_put_autosuspend(dpmaif_ctrl->dev);
 	}
 
-- 
2.39.5