diff options
Diffstat (limited to 'drivers/base/dd.c')
| -rw-r--r-- | drivers/base/dd.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 857b0a928e8d..148e81969e04 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -19,7 +19,7 @@ #include <linux/debugfs.h> #include <linux/device.h> #include <linux/delay.h> -#include <linux/dma-mapping.h> +#include <linux/dma-map-ops.h> #include <linux/init.h> #include <linux/module.h> #include <linux/kthread.h> @@ -486,7 +486,8 @@ static ssize_t state_synced_show(struct device *dev, device_lock(dev); val = dev->state_synced; device_unlock(dev); - return sprintf(buf, "%u\n", val); + + return sysfs_emit(buf, "%u\n", val); } static DEVICE_ATTR_RO(state_synced); @@ -658,15 +659,14 @@ done: */ static int really_probe_debug(struct device *dev, struct device_driver *drv) { - ktime_t calltime, delta, rettime; + ktime_t calltime, rettime; int ret; calltime = ktime_get(); ret = really_probe(dev, drv); rettime = ktime_get(); - delta = ktime_sub(rettime, calltime); pr_debug("probe of %s returned %d after %lld usecs\n", - dev_name(dev), ret, (s64) ktime_to_us(delta)); + dev_name(dev), ret, ktime_us_delta(rettime, calltime)); return ret; } @@ -1117,6 +1117,8 @@ static void __device_release_driver(struct device *dev, struct device *parent) drv = dev->driver; if (drv) { + pm_runtime_get_sync(dev); + while (device_links_busy(dev)) { __device_driver_unlock(dev, parent); @@ -1128,13 +1130,12 @@ static void __device_release_driver(struct device *dev, struct device *parent) * have released the driver successfully while this one * was waiting, so check for that. */ - if (dev->driver != drv) + if (dev->driver != drv) { + pm_runtime_put(dev); return; + } } - pm_runtime_get_sync(dev); - pm_runtime_clean_up_links(dev); - driver_sysfs_remove(dev); if (dev->bus) |