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Subject[PATCH 3.13.y-ckt 049/143] mmc: sdhci-pxav3: Remove checks for mandatory host clock
Date
3.13.11-ckt18 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>

commit 20d5a70344e526f51efe50861be10f6d743b7706 upstream.

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@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ kamal: 3.13-stable prereq for:
3bb10f6 mmc: sdhci-pxav3: fix race between runtime pm and irq ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
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 dc09e70..68c772f 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -381,13 +381,11 @@ 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;
}
@@ -398,13 +396,11 @@ 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;
}
--
1.9.1


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