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-rw-r--r--drivers/base/attribute_container.c1
-rw-r--r--drivers/base/bus.c1
-rw-r--r--drivers/base/class.c2
-rw-r--r--drivers/base/core.c6
-rw-r--r--drivers/base/cpu.c17
-rw-r--r--drivers/base/devres.c1
-rw-r--r--drivers/base/devtmpfs.c1
-rw-r--r--drivers/base/dma-coherent.c1
-rw-r--r--drivers/base/dma-mapping.c1
-rw-r--r--drivers/base/driver.c1
-rw-r--r--drivers/base/firmware_class.c3
-rw-r--r--drivers/base/memory.c18
-rw-r--r--drivers/base/module.c1
-rw-r--r--drivers/base/node.c8
-rw-r--r--drivers/base/platform.c33
-rw-r--r--drivers/base/power/main.c31
-rw-r--r--drivers/base/sys.c1
17 files changed, 103 insertions, 24 deletions
diff --git a/drivers/base/attribute_container.c b/drivers/base/attribute_container.c
index b9cda053d3c..8fc200b2e2c 100644
--- a/drivers/base/attribute_container.c
+++ b/drivers/base/attribute_container.c
@@ -328,6 +328,7 @@ attribute_container_add_attrs(struct device *classdev)
return sysfs_create_group(&classdev->kobj, cont->grp);
for (i = 0; attrs[i]; i++) {
+ sysfs_attr_init(&attrs[i]->attr);
error = device_create_file(classdev, attrs[i]);
if (error)
return error;
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 71f6af5c8b0..12eec3f633b 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/string.h>
#include "base.h"
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 0147f476b8a..9c6a0d6408e 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -219,6 +219,8 @@ static void class_create_release(struct class *cls)
* This is used to create a struct class pointer that can then be used
* in calls to device_create().
*
+ * Returns &struct class pointer on success, or ERR_PTR() on error.
+ *
* Note, the pointer created here is to be destroyed when finished by
* making a call to class_destroy().
*/
diff --git a/drivers/base/core.c b/drivers/base/core.c
index ef55df34ddd..b56a0ba31d4 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1345,6 +1345,8 @@ static void root_device_release(struct device *dev)
* 'module' symlink which points to the @owner directory
* in sysfs.
*
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
* Note: You probably want to use root_device_register().
*/
struct device *__root_device_register(const char *name, struct module *owner)
@@ -1432,6 +1434,8 @@ static void device_create_release(struct device *dev)
* Any further sysfs files that might be required can be created using this
* pointer.
*
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
* Note: the struct class passed to this function must have previously
* been created with a call to class_create().
*/
@@ -1492,6 +1496,8 @@ EXPORT_SYMBOL_GPL(device_create_vargs);
* Any further sysfs files that might be required can be created using this
* pointer.
*
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
* Note: the struct class passed to this function must have previously
* been created with a call to class_create().
*/
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 7036e8e96ab..f35719aab3c 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -10,6 +10,7 @@
#include <linux/topology.h>
#include <linux/device.h>
#include <linux/node.h>
+#include <linux/gfp.h>
#include "base.h"
@@ -79,24 +80,24 @@ void unregister_cpu(struct cpu *cpu)
}
#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-static ssize_t cpu_probe_store(struct sys_device *dev,
- struct sysdev_attribute *attr,
- const char *buf,
+static ssize_t cpu_probe_store(struct sysdev_class *class,
+ struct sysdev_class_attribute *attr,
+ const char *buf,
size_t count)
{
return arch_cpu_probe(buf, count);
}
-static ssize_t cpu_release_store(struct sys_device *dev,
- struct sysdev_attribute *attr,
- const char *buf,
+static ssize_t cpu_release_store(struct sysdev_class *class,
+ struct sysdev_class_attribute *attr,
+ const char *buf,
size_t count)
{
return arch_cpu_release(buf, count);
}
-static SYSDEV_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
-static SYSDEV_ATTR(release, S_IWUSR, NULL, cpu_release_store);
+static SYSDEV_CLASS_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
+static SYSDEV_CLASS_ATTR(release, S_IWUSR, NULL, cpu_release_store);
#endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */
#else /* ... !CONFIG_HOTPLUG_CPU */
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 05dd307e8f0..cf7a0c78805 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -9,6 +9,7 @@
#include <linux/device.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include "base.h"
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index dac478c6e46..057cf11326b 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -23,6 +23,7 @@
#include <linux/cred.h>
#include <linux/sched.h>
#include <linux/init_task.h>
+#include <linux/slab.h>
static struct vfsmount *dev_mnt;
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
index 962a3b574f2..d4d8ce53886 100644
--- a/drivers/base/dma-coherent.c
+++ b/drivers/base/dma-coherent.c
@@ -2,6 +2,7 @@
* Coherent per-device memory handling.
* Borrowed from i386
*/
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index ca9186f70a6..763d59c1eb6 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -8,6 +8,7 @@
*/
#include <linux/dma-mapping.h>
+#include <linux/gfp.h>
/*
* Managed DMA API
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 90c9fff09ea..b631f7c5945 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/string.h>
#include "base.h"
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d0dc26ad538..985da11174e 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -19,6 +19,7 @@
#include <linux/kthread.h>
#include <linux/highmem.h>
#include <linux/firmware.h>
+#include <linux/slab.h>
#define to_dev(obj) container_of(obj, struct device, kobj)
@@ -78,6 +79,7 @@ firmware_timeout_show(struct class *class,
/**
* firmware_timeout_store - set number of seconds to wait for firmware
* @class: device class pointer
+ * @attr: device attribute pointer
* @buf: buffer to scan for timeout value
* @count: number of bytes in @buf
*
@@ -442,6 +444,7 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
fw_priv = dev_get_drvdata(f_dev);
fw_priv->fw = fw;
+ sysfs_bin_attr_init(&fw_priv->attr_data);
retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
if (retval) {
dev_err(device, "%s: sysfs_create_bin_file failed\n", __func__);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 2f869151119..933442f4032 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -22,6 +22,7 @@
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/stat.h>
+#include <linux/slab.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
@@ -312,7 +313,7 @@ static ssize_t
print_block_size(struct sysdev_class *class, struct sysdev_class_attribute *attr,
char *buf)
{
- return sprintf(buf, "%#lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
+ return sprintf(buf, "%lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
}
static SYSDEV_CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
@@ -429,12 +430,16 @@ static inline int memory_fail_init(void)
* differentiation between which *physical* devices each
* section belongs to...
*/
+int __weak arch_get_memory_phys_device(unsigned long start_pfn)
+{
+ return 0;
+}
static int add_memory_block(int nid, struct mem_section *section,
- unsigned long state, int phys_device,
- enum mem_add_context context)
+ unsigned long state, enum mem_add_context context)
{
struct memory_block *mem = kzalloc(sizeof(*mem), GFP_KERNEL);
+ unsigned long start_pfn;
int ret = 0;
if (!mem)
@@ -443,7 +448,8 @@ static int add_memory_block(int nid, struct mem_section *section,
mem->phys_index = __section_nr(section);
mem->state = state;
mutex_init(&mem->state_mutex);
- mem->phys_device = phys_device;
+ start_pfn = section_nr_to_pfn(mem->phys_index);
+ mem->phys_device = arch_get_memory_phys_device(start_pfn);
ret = register_memory(mem, section);
if (!ret)
@@ -515,7 +521,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
*/
int register_new_memory(int nid, struct mem_section *section)
{
- return add_memory_block(nid, section, MEM_OFFLINE, 0, HOTPLUG);
+ return add_memory_block(nid, section, MEM_OFFLINE, HOTPLUG);
}
int unregister_memory_section(struct mem_section *section)
@@ -548,7 +554,7 @@ int __init memory_dev_init(void)
if (!present_section_nr(i))
continue;
err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE,
- 0, BOOT);
+ BOOT);
if (!ret)
ret = err;
}
diff --git a/drivers/base/module.c b/drivers/base/module.c
index 103be9cacb0..f32f2f9b7be 100644
--- a/drivers/base/module.c
+++ b/drivers/base/module.c
@@ -7,6 +7,7 @@
#include <linux/device.h>
#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/string.h>
#include "base.h"
diff --git a/drivers/base/node.c b/drivers/base/node.c
index ad43185ec15..057979a19ee 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -15,6 +15,7 @@
#include <linux/cpu.h>
#include <linux/device.h>
#include <linux/swap.h>
+#include <linux/slab.h>
static struct sysdev_class_attribute *node_state_attrs[];
@@ -165,8 +166,11 @@ static ssize_t node_read_distance(struct sys_device * dev,
int len = 0;
int i;
- /* buf currently PAGE_SIZE, need ~4 chars per node */
- BUILD_BUG_ON(MAX_NUMNODES*4 > PAGE_SIZE/2);
+ /*
+ * buf is currently PAGE_SIZE in length and each node needs 4 chars
+ * at the most (distance + space or newline).
+ */
+ BUILD_BUG_ON(MAX_NUMNODES * 4 > PAGE_SIZE);
for_each_online_node(i)
len += sprintf(buf + len, "%s%d", i ? " " : "", node_distance(nid, i));
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 1ba9d617d24..4b4b565c835 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -362,6 +362,8 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
* enumeration tasks, they don't fully conform to the Linux driver model.
* In particular, when such drivers are built as modules, they can't be
* "hotplugged".
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device *platform_device_register_simple(const char *name,
int id,
@@ -408,6 +410,8 @@ EXPORT_SYMBOL_GPL(platform_device_register_simple);
* allocated for the device allows drivers using such devices to be
* unloaded without waiting for the last reference to the device to be
* dropped.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device *platform_device_register_data(
struct device *parent,
@@ -559,6 +563,8 @@ EXPORT_SYMBOL_GPL(platform_driver_probe);
*
* Use this in legacy-style modules that probe hardware directly and
* register a single platform device and corresponding platform driver.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device * __init_or_module platform_create_bundle(
struct platform_driver *driver,
@@ -1052,9 +1058,11 @@ static __initdata LIST_HEAD(early_platform_driver_list);
static __initdata LIST_HEAD(early_platform_device_list);
/**
- * early_platform_driver_register
+ * early_platform_driver_register - register early platform driver
* @epdrv: early_platform driver structure
* @buf: string passed from early_param()
+ *
+ * Helper function for early_platform_init() / early_platform_init_buffer()
*/
int __init early_platform_driver_register(struct early_platform_driver *epdrv,
char *buf)
@@ -1106,9 +1114,12 @@ int __init early_platform_driver_register(struct early_platform_driver *epdrv,
}
/**
- * early_platform_add_devices - add a numbers of early platform devices
+ * early_platform_add_devices - adds a number of early platform devices
* @devs: array of early platform devices to add
* @num: number of early platform devices in array
+ *
+ * Used by early architecture code to register early platform devices and
+ * their platform data.
*/
void __init early_platform_add_devices(struct platform_device **devs, int num)
{
@@ -1128,8 +1139,12 @@ void __init early_platform_add_devices(struct platform_device **devs, int num)
}
/**
- * early_platform_driver_register_all
+ * early_platform_driver_register_all - register early platform drivers
* @class_str: string to identify early platform driver class
+ *
+ * Used by architecture code to register all early platform drivers
+ * for a certain class. If omitted then only early platform drivers
+ * with matching kernel command line class parameters will be registered.
*/
void __init early_platform_driver_register_all(char *class_str)
{
@@ -1151,7 +1166,7 @@ void __init early_platform_driver_register_all(char *class_str)
}
/**
- * early_platform_match
+ * early_platform_match - find early platform device matching driver
* @epdrv: early platform driver structure
* @id: id to match against
*/
@@ -1169,7 +1184,7 @@ early_platform_match(struct early_platform_driver *epdrv, int id)
}
/**
- * early_platform_left
+ * early_platform_left - check if early platform driver has matching devices
* @epdrv: early platform driver structure
* @id: return true if id or above exists
*/
@@ -1187,7 +1202,7 @@ static __init int early_platform_left(struct early_platform_driver *epdrv,
}
/**
- * early_platform_driver_probe_id
+ * early_platform_driver_probe_id - probe drivers matching class_str and id
* @class_str: string to identify early platform driver class
* @id: id to match against
* @nr_probe: number of platform devices to successfully probe before exiting
@@ -1257,10 +1272,14 @@ static int __init early_platform_driver_probe_id(char *class_str,
}
/**
- * early_platform_driver_probe
+ * early_platform_driver_probe - probe a class of registered drivers
* @class_str: string to identify early platform driver class
* @nr_probe: number of platform devices to successfully probe before exiting
* @user_only: only probe user specified early platform devices
+ *
+ * Used by architecture code to probe registered early platform drivers
+ * within a certain class. For probe to happen a registered early platform
+ * device matching a registered early platform driver is needed.
*/
int __init early_platform_driver_probe(char *class_str,
int nr_probe,
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index d477f4dc5e5..941fcb87e52 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -439,8 +439,23 @@ static int device_resume_noirq(struct device *dev, pm_message_t state)
if (dev->bus && dev->bus->pm) {
pm_dev_dbg(dev, state, "EARLY ");
error = pm_noirq_op(dev, dev->bus->pm, state);
+ if (error)
+ goto End;
}
+ if (dev->type && dev->type->pm) {
+ pm_dev_dbg(dev, state, "EARLY type ");
+ error = pm_noirq_op(dev, dev->type->pm, state);
+ if (error)
+ goto End;
+ }
+
+ if (dev->class && dev->class->pm) {
+ pm_dev_dbg(dev, state, "EARLY class ");
+ error = pm_noirq_op(dev, dev->class->pm, state);
+ }
+
+End:
TRACE_RESUME(error);
return error;
}
@@ -735,10 +750,26 @@ static int device_suspend_noirq(struct device *dev, pm_message_t state)
{
int error = 0;
+ if (dev->class && dev->class->pm) {
+ pm_dev_dbg(dev, state, "LATE class ");
+ error = pm_noirq_op(dev, dev->class->pm, state);
+ if (error)
+ goto End;
+ }
+
+ if (dev->type && dev->type->pm) {
+ pm_dev_dbg(dev, state, "LATE type ");
+ error = pm_noirq_op(dev, dev->type->pm, state);
+ if (error)
+ goto End;
+ }
+
if (dev->bus && dev->bus->pm) {
pm_dev_dbg(dev, state, "LATE ");
error = pm_noirq_op(dev, dev->bus->pm, state);
}
+
+End:
return error;
}
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 8980feec5d1..9354dc10a36 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -17,7 +17,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/string.h>
#include <linux/pm.h>
#include <linux/device.h>
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-26 21:42:47 +0000