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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-16 10:04:17 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-16 10:04:17 -0800 |
| commit | 2faa83e2a519abea1055d156ce1b42b8fa57e87b (patch) | |
| tree | 8aaca988b9b62dcdaa0ace8e70b11fbc13d8ef2d /drivers | |
| parent | 224acb1839f5fbb4ba85a440f6dd30dfb0e561b6 (diff) | |
| download | lwn-2faa83e2a519abea1055d156ce1b42b8fa57e87b.tar.gz lwn-2faa83e2a519abea1055d156ce1b42b8fa57e87b.zip | |
Revert "USB: musb: pm: don't rely fully on clock support"
This reverts commit 32d5dc9520f0c6f60f691dd478741c774e292406.
Needed to properly merge the musb changes that are in the
usb-next branch into Linus's tree.
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 99beebce8550..365a4fab5c64 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); |