linux-kernel - [PATCH 05/12] mmc: sdhci-pxav3: Remove checks for mandatory host clock

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Message-Id: <1412351747-4188-6-git-send-email-sebastian.hesselbarth@gmail.com>
Date:	Fri,  3 Oct 2014 17:55:40 +0200
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	Chris Ball <chris@...ntf.net>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 05/12] mmc: sdhci-pxav3: Remove checks for mandatory host clock

NULL-checking a struct clk it not only wrong but also not required as
for PXAv3 driver the corresponding clock is mandatory. Remove the
checks from sdhci_pxav3_runtime_{suspend,resume}.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
---
Cc: Chris Ball <chris@...ntf.net>
Cc: Ulf Hansson <ulf.hansson@...aro.org>
Cc: Antoine Tenart <antoine.tenart@...e-electrons.com>
Cc: linux-mmc@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/mmc/host/sdhci-pxav3.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index d1f63d32b2cd..e52bbbb09d88 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -448,13 +448,11 @@ static int sdhci_pxav3_runtime_suspend(struct device *dev)
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	unsigned long flags;
 
-	if (pltfm_host->clk) {
-		spin_lock_irqsave(&host->lock, flags);
-		host->runtime_suspended = true;
-		spin_unlock_irqrestore(&host->lock, flags);
+	spin_lock_irqsave(&host->lock, flags);
+	host->runtime_suspended = true;
+	spin_unlock_irqrestore(&host->lock, flags);
 
-		clk_disable_unprepare(pltfm_host->clk);
-	}
+	clk_disable_unprepare(pltfm_host->clk);
 
 	return 0;
 }
@@ -465,13 +463,11 @@ static int sdhci_pxav3_runtime_resume(struct device *dev)
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	unsigned long flags;
 
-	if (pltfm_host->clk) {
-		clk_prepare_enable(pltfm_host->clk);
+	clk_prepare_enable(pltfm_host->clk);
 
-		spin_lock_irqsave(&host->lock, flags);
-		host->runtime_suspended = false;
-		spin_unlock_irqrestore(&host->lock, flags);
-	}
+	spin_lock_irqsave(&host->lock, flags);
+	host->runtime_suspended = false;
+	spin_unlock_irqrestore(&host->lock, flags);
 
 	return 0;
 }
-- 
2.1.1

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