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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-14 20:02:09 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-14 20:02:09 +0800
commit704867ede0c3645075ff3438d1a4fd4977abaa8d (patch)
treefc89b31764132dc1b07e0af3e53219005cfb8f95 /drivers/base
parent681ba97d9fbff59f67c71f1d9a88ad0b8ef49d25 (diff)
parentcfe04478fa1b472264b7fe9bbf547710aa344d3c (diff)
Merge branch 'mfd/da9052' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into regmap-next
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/core.c5
-rw-r--r--drivers/base/node.c14
-rw-r--r--drivers/base/power/clock_ops.c3
-rw-r--r--drivers/base/power/main.c3
-rw-r--r--drivers/base/power/opp.c2
-rw-r--r--drivers/base/power/qos.c18
6 files changed, 24 insertions, 21 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 82c865452c7..919daa7cd5b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -22,6 +22,7 @@
#include <linux/kallsyms.h>
#include <linux/mutex.h>
#include <linux/async.h>
+#include <linux/pm_runtime.h>
#include "base.h"
#include "power/power.h"
@@ -1743,6 +1744,10 @@ void device_shutdown(void)
list_del_init(&dev->kobj.entry);
spin_unlock(&devices_kset->list_lock);
+ /* Don't allow any more runtime suspends */
+ pm_runtime_get_noresume(dev);
+ pm_runtime_barrier(dev);
+
if (dev->bus && dev->bus->shutdown) {
dev_dbg(dev, "shutdown\n");
dev->bus->shutdown(dev);
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 793f796c4da..5693ecee9a4 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -127,12 +127,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
nid, K(node_page_state(nid, NR_WRITEBACK)),
nid, K(node_page_state(nid, NR_FILE_PAGES)),
nid, K(node_page_state(nid, NR_FILE_MAPPED)),
- nid, K(node_page_state(nid, NR_ANON_PAGES)
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ nid, K(node_page_state(nid, NR_ANON_PAGES)
+ node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
- HPAGE_PMD_NR
+ HPAGE_PMD_NR),
+#else
+ nid, K(node_page_state(nid, NR_ANON_PAGES)),
#endif
- ),
nid, K(node_page_state(nid, NR_SHMEM)),
nid, node_page_state(nid, NR_KERNEL_STACK) *
THREAD_SIZE / 1024,
@@ -143,13 +144,14 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
- nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
, nid,
K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
- HPAGE_PMD_NR)
+ HPAGE_PMD_NR));
+#else
+ nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
#endif
- );
n += hugetlb_report_node_meminfo(nid, buf + n);
return n;
}
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 5f0f85d5c57..428e55e012d 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -229,7 +229,8 @@ int pm_clk_suspend(struct device *dev)
list_for_each_entry_reverse(ce, &psd->clock_list, node) {
if (ce->status < PCE_STATUS_ERROR) {
- clk_disable(ce->clk);
+ if (ce->status == PCE_STATUS_ENABLED)
+ clk_disable(ce->clk);
ce->status = PCE_STATUS_ACQUIRED;
}
}
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 7fa098464da..c3d2dfcf438 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -920,7 +920,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
End:
if (!error) {
dev->power.is_suspended = true;
- if (dev->power.wakeup_path && dev->parent)
+ if (dev->power.wakeup_path
+ && dev->parent && !dev->parent->power.ignore_children)
dev->parent->power.wakeup_path = true;
}
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 434a6c01167..95706fa24c7 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -669,7 +669,7 @@ struct srcu_notifier_head *opp_get_notifier(struct device *dev)
struct device_opp *dev_opp = find_device_opp(dev);
if (IS_ERR(dev_opp))
- return ERR_PTR(PTR_ERR(dev_opp)); /* matching type */
+ return ERR_CAST(dev_opp); /* matching type */
return &dev_opp->head;
}
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 30a94eadc20..86de6c50fc4 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -212,11 +212,9 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
if (!dev || !req) /*guard against callers passing in null */
return -EINVAL;
- if (dev_pm_qos_request_active(req)) {
- WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already "
- "added request\n");
+ if (WARN(dev_pm_qos_request_active(req),
+ "%s() called for already added request\n", __func__))
return -EINVAL;
- }
req->dev = dev;
@@ -271,11 +269,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
if (!req) /*guard against callers passing in null */
return -EINVAL;
- if (!dev_pm_qos_request_active(req)) {
- WARN(1, KERN_ERR "dev_pm_qos_update_request() called for "
- "unknown object\n");
+ if (WARN(!dev_pm_qos_request_active(req),
+ "%s() called for unknown object\n", __func__))
return -EINVAL;
- }
mutex_lock(&dev_pm_qos_mtx);
@@ -312,11 +308,9 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
if (!req) /*guard against callers passing in null */
return -EINVAL;
- if (!dev_pm_qos_request_active(req)) {
- WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for "
- "unknown object\n");
+ if (WARN(!dev_pm_qos_request_active(req),
+ "%s() called for unknown object\n", __func__))
return -EINVAL;
- }
mutex_lock(&dev_pm_qos_mtx);