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: NSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>

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);
 
 	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);
 
 	spin_lock_irqsave(&host->lock, flags);
 	host->runtime_suspended = false;
 	spin_unlock_irqrestore(&host->lock, flags);
-	}
 
 	return 0;
 }