aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/musb/musb_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/musb/musb_core.c')
-rw-r--r--drivers/usb/musb/musb_core.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 338cd1611ab3..4000cf6d1e81 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2170,32 +2170,28 @@ static int musb_suspend(struct platform_device *pdev, pm_message_t message)
2170 return 0; 2170 return 0;
2171} 2171}
2172 2172
2173static int musb_resume(struct platform_device *pdev) 2173static int musb_resume_early(struct platform_device *pdev)
2174{ 2174{
2175 unsigned long flags;
2176 struct musb *musb = dev_to_musb(&pdev->dev); 2175 struct musb *musb = dev_to_musb(&pdev->dev);
2177 2176
2178 if (!musb->clock) 2177 if (!musb->clock)
2179 return 0; 2178 return 0;
2180 2179
2181 spin_lock_irqsave(&musb->lock, flags);
2182
2183 if (musb->set_clock) 2180 if (musb->set_clock)
2184 musb->set_clock(musb->clock, 1); 2181 musb->set_clock(musb->clock, 1);
2185 else 2182 else
2186 clk_enable(musb->clock); 2183 clk_enable(musb->clock);
2187 2184
2188 /* for static cmos like DaVinci, register values were preserved 2185 /* for static cmos like DaVinci, register values were preserved
2189 * unless for some reason the whole soc powered down and we're 2186 * unless for some reason the whole soc powered down or the USB
2190 * not treating that as a whole-system restart (e.g. swsusp) 2187 * module got reset through the PSC (vs just being disabled).
2191 */ 2188 */
2192 spin_unlock_irqrestore(&musb->lock, flags);
2193 return 0; 2189 return 0;
2194} 2190}
2195 2191
2196#else 2192#else
2197#define musb_suspend NULL 2193#define musb_suspend NULL
2198#define musb_resume NULL 2194#define musb_resume_early NULL
2199#endif 2195#endif
2200 2196
2201static struct platform_driver musb_driver = { 2197static struct platform_driver musb_driver = {
@@ -2207,7 +2203,7 @@ static struct platform_driver musb_driver = {
2207 .remove = __devexit_p(musb_remove), 2203 .remove = __devexit_p(musb_remove),
2208 .shutdown = musb_shutdown, 2204 .shutdown = musb_shutdown,
2209 .suspend = musb_suspend, 2205 .suspend = musb_suspend,
2210 .resume = musb_resume, 2206 .resume_early = musb_resume_early,
2211}; 2207};
2212 2208
2213/*-------------------------------------------------------------------------*/ 2209/*-------------------------------------------------------------------------*/