linux-kernel - [PATCH 02/27] dmaengine: ste_dma: use pm_runtime_last_busy_and

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Date:	Wed, 24 Sep 2014 21:44:52 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	linux-kernel@...r.kernel.org
Cc:	subhransu.s.prusty@...el.com, vinod.koul@...el.com,
	Linus Walleij <linus.walleij@...aro.org>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org
Subject: [PATCH 02/27] dmaengine: ste_dma: use pm_runtime_last_busy_and_autosuspend helper

Use the new pm_runtime_last_busy_and_autosuspend helper instead of open
coding the same code

Signed-off-by: Vinod Koul <vinod.koul@...el.com>
---
 drivers/dma/ste_dma40.c |   30 ++++++++++--------------------
 1 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 5fe5933..621b941 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1442,8 +1442,7 @@ static int d40_pause(struct d40_chan *d40c)
 
 	res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
 
-	pm_runtime_mark_last_busy(d40c->base->dev);
-	pm_runtime_put_autosuspend(d40c->base->dev);
+	pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 	spin_unlock_irqrestore(&d40c->lock, flags);
 	return res;
 }
@@ -1463,8 +1462,7 @@ static int d40_resume(struct d40_chan *d40c)
 	if (d40_residue(d40c) || d40_tx_is_linked(d40c))
 		res = d40_channel_execute_command(d40c, D40_DMA_RUN);
 
-	pm_runtime_mark_last_busy(d40c->base->dev);
-	pm_runtime_put_autosuspend(d40c->base->dev);
+	pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 	spin_unlock_irqrestore(&d40c->lock, flags);
 	return res;
 }
@@ -1565,8 +1563,7 @@ static void dma_tc_handle(struct d40_chan *d40c)
 		if (d40_queue_start(d40c) == NULL) {
 			d40c->busy = false;
 
-			pm_runtime_mark_last_busy(d40c->base->dev);
-			pm_runtime_put_autosuspend(d40c->base->dev);
+			pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 		}
 
 		d40_desc_remove(d40d);
@@ -2045,18 +2042,15 @@ static int d40_free_dma(struct d40_chan *d40c)
 	else
 		d40c->base->lookup_phy_chans[phy->num] = NULL;
 
-	if (d40c->busy) {
-		pm_runtime_mark_last_busy(d40c->base->dev);
-		pm_runtime_put_autosuspend(d40c->base->dev);
-	}
+	if (d40c->busy)
+		pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 
 	d40c->busy = false;
 	d40c->phy_chan = NULL;
 	d40c->configured = false;
 out:
 
-	pm_runtime_mark_last_busy(d40c->base->dev);
-	pm_runtime_put_autosuspend(d40c->base->dev);
+	pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 	return res;
 }
 
@@ -2457,8 +2451,7 @@ static int d40_alloc_chan_resources(struct dma_chan *chan)
 	if (is_free_phy)
 		d40_config_write(d40c);
 fail:
-	pm_runtime_mark_last_busy(d40c->base->dev);
-	pm_runtime_put_autosuspend(d40c->base->dev);
+	pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 	spin_unlock_irqrestore(&d40c->lock, flags);
 	return err;
 }
@@ -2618,12 +2611,9 @@ static void d40_terminate_all(struct dma_chan *chan)
 		chan_err(d40c, "Failed to stop channel\n");
 
 	d40_term_all(d40c);
-	pm_runtime_mark_last_busy(d40c->base->dev);
-	pm_runtime_put_autosuspend(d40c->base->dev);
-	if (d40c->busy) {
-		pm_runtime_mark_last_busy(d40c->base->dev);
-		pm_runtime_put_autosuspend(d40c->base->dev);
-	}
+	pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
+	if (d40c->busy)
+		pm_runtime_last_busy_and_autosuspend(d40c->base->dev);
 	d40c->busy = false;
 
 	spin_unlock_irqrestore(&d40c->lock, flags);
-- 
1.7.0.4

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