From: Bob Liu <lliubbo@xxxxxxxxx>
Since clock support is optional across processors, don't make the whole
musb pm paths depend upon it. Just conditionalize the clock accesses.
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
v4
- fix comment style pointed out by Sergei
drivers/usb/musb/musb_core.c | 26 ++++++++++++--------------
1 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index c9f9024..53ed7ef 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2411,9 +2411,6 @@ 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)) {
@@ -2428,10 +2425,12 @@ static int musb_suspend(struct device *dev)
musb_save_context(musb);
- if (musb->set_clock)
- musb->set_clock(musb->clock, 0);
- else
- clk_disable(musb->clock);
+ if (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;
}
@@ -2441,13 +2440,12 @@ 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)
- return 0;
-
- if (musb->set_clock)
- musb->set_clock(musb->clock, 1);
- else
- clk_enable(musb->clock);
+ if (musb->clock) {
+ if (musb->set_clock)
+ musb->set_clock(musb->clock, 1);
+ else
+ clk_enable(musb->clock);
+ }
musb_restore_context(musb);
--
1.7.3.2
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