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-rw-r--r--drivers/usb/musb/musb_core.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 99beebce855..365a4fab5c6 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2413,6 +2413,9 @@ static int musb_suspend(struct device *dev)
unsigned long flags;
struct musb *musb = dev_to_musb(&pdev->dev);
+ if (!musb->clock)
+ return 0;
+
spin_lock_irqsave(&musb->lock, flags);
if (is_peripheral_active(musb)) {
@@ -2427,12 +2430,10 @@ static int musb_suspend(struct device *dev)
musb_save_context(musb);
- if (musb->clock) {
- if (musb->set_clock)
- musb->set_clock(musb->clock, 0);
- else
- clk_disable(musb->clock);
- }
+ if (musb->set_clock)
+ musb->set_clock(musb->clock, 0);
+ else
+ clk_disable(musb->clock);
spin_unlock_irqrestore(&musb->lock, flags);
return 0;
}
@@ -2442,12 +2443,13 @@ static int musb_resume_noirq(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct musb *musb = dev_to_musb(&pdev->dev);
- if (musb->clock) {
- if (musb->set_clock)
- musb->set_clock(musb->clock, 1);
- else
- clk_enable(musb->clock);
- }
+ if (!musb->clock)
+ return 0;
+
+ if (musb->set_clock)
+ musb->set_clock(musb->clock, 1);
+ else
+ clk_enable(musb->clock);
musb_restore_context(musb);