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-rw-r--r--drivers/base/Kconfig3
-rw-r--r--drivers/base/attribute_container.c1
-rw-r--r--drivers/base/core.c20
-rw-r--r--drivers/base/cpu.c46
-rw-r--r--drivers/base/dma-buf.c18
-rw-r--r--drivers/base/firmware_class.c13
-rw-r--r--drivers/base/node.c4
-rw-r--r--drivers/base/platform.c11
-rw-r--r--drivers/base/power/clock_ops.c1
-rw-r--r--drivers/base/power/common.c1
-rw-r--r--drivers/base/power/domain.c1
-rw-r--r--drivers/base/power/domain_governor.c1
-rw-r--r--drivers/base/power/opp.c1
-rw-r--r--drivers/base/regmap/regmap-i2c.c1
-rw-r--r--drivers/base/regmap/regmap-mmio.c1
-rw-r--r--drivers/base/regmap/regmap-spi.c1
-rw-r--r--drivers/base/topology.c1
17 files changed, 89 insertions, 36 deletions
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index ec36e7772e57..8fa8deab6449 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -185,6 +185,9 @@ config GENERIC_CPU_DEVICES
bool
default n
+config GENERIC_CPU_AUTOPROBE
+ bool
+
config SOC_BUS
bool
diff --git a/drivers/base/attribute_container.c b/drivers/base/attribute_container.c
index ecc1929d7f6a..b84ca8f13f9e 100644
--- a/drivers/base/attribute_container.c
+++ b/drivers/base/attribute_container.c
@@ -12,7 +12,6 @@
*/
#include <linux/attribute_container.h>
-#include <linux/init.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2b567177ef78..0dd65281cc65 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -23,7 +23,6 @@
#include <linux/genhd.h>
#include <linux/kallsyms.h>
#include <linux/mutex.h>
-#include <linux/async.h>
#include <linux/pm_runtime.h>
#include <linux/netdevice.h>
#include <linux/sysfs.h>
@@ -571,6 +570,23 @@ void device_remove_file(struct device *dev,
EXPORT_SYMBOL_GPL(device_remove_file);
/**
+ * device_remove_file_self - remove sysfs attribute file from its own method.
+ * @dev: device.
+ * @attr: device attribute descriptor.
+ *
+ * See kernfs_remove_self() for details.
+ */
+bool device_remove_file_self(struct device *dev,
+ const struct device_attribute *attr)
+{
+ if (dev)
+ return sysfs_remove_file_self(&dev->kobj, &attr->attr);
+ else
+ return false;
+}
+EXPORT_SYMBOL_GPL(device_remove_file_self);
+
+/**
* device_create_bin_file - create sysfs binary attribute file for device.
* @dev: device.
* @attr: device binary attribute descriptor.
@@ -2003,7 +2019,6 @@ void device_shutdown(void)
spin_lock(&devices_kset->list_lock);
}
spin_unlock(&devices_kset->list_lock);
- async_synchronize_full();
}
/*
@@ -2058,7 +2073,6 @@ create_syslog_header(const struct device *dev, char *hdr, size_t hdrlen)
return pos;
}
-EXPORT_SYMBOL(create_syslog_header);
int dev_vprintk_emit(int level, const struct device *dev,
const char *fmt, va_list args)
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index f48370dfc908..006b1bc5297d 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -15,6 +15,7 @@
#include <linux/percpu.h>
#include <linux/acpi.h>
#include <linux/of.h>
+#include <linux/cpufeature.h>
#include "base.h"
@@ -286,6 +287,41 @@ static void cpu_device_release(struct device *dev)
*/
}
+#ifdef CONFIG_GENERIC_CPU_AUTOPROBE
+static ssize_t print_cpu_modalias(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ ssize_t n;
+ u32 i;
+
+ n = sprintf(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:",
+ CPU_FEATURE_TYPEVAL);
+
+ for (i = 0; i < MAX_CPU_FEATURES; i++)
+ if (cpu_have_feature(i)) {
+ if (PAGE_SIZE < n + sizeof(",XXXX\n")) {
+ WARN(1, "CPU features overflow page\n");
+ break;
+ }
+ n += sprintf(&buf[n], ",%04X", i);
+ }
+ buf[n++] = '\n';
+ return n;
+}
+
+static int cpu_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ char *buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
+ if (buf) {
+ print_cpu_modalias(NULL, NULL, buf);
+ add_uevent_var(env, "MODALIAS=%s", buf);
+ kfree(buf);
+ }
+ return 0;
+}
+#endif
+
/*
* register_cpu - Setup a sysfs device for a CPU.
* @cpu - cpu->hotpluggable field set to 1 will generate a control file in
@@ -306,8 +342,8 @@ int register_cpu(struct cpu *cpu, int num)
cpu->dev.offline_disabled = !cpu->hotpluggable;
cpu->dev.offline = !cpu_online(num);
cpu->dev.of_node = of_get_cpu_node(num, NULL);
-#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
- cpu->dev.bus->uevent = arch_cpu_uevent;
+#ifdef CONFIG_GENERIC_CPU_AUTOPROBE
+ cpu->dev.bus->uevent = cpu_uevent;
#endif
cpu->dev.groups = common_cpu_attr_groups;
if (cpu->hotpluggable)
@@ -330,8 +366,8 @@ struct device *get_cpu_device(unsigned cpu)
}
EXPORT_SYMBOL_GPL(get_cpu_device);
-#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
-static DEVICE_ATTR(modalias, 0444, arch_print_cpu_modalias, NULL);
+#ifdef CONFIG_GENERIC_CPU_AUTOPROBE
+static DEVICE_ATTR(modalias, 0444, print_cpu_modalias, NULL);
#endif
static struct attribute *cpu_root_attrs[] = {
@@ -344,7 +380,7 @@ static struct attribute *cpu_root_attrs[] = {
&cpu_attrs[2].attr.attr,
&dev_attr_kernel_max.attr,
&dev_attr_offline.attr,
-#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+#ifdef CONFIG_GENERIC_CPU_AUTOPROBE
&dev_attr_modalias.attr,
#endif
NULL
diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c
index 61d6d62cc0d3..ea77701deda4 100644
--- a/drivers/base/dma-buf.c
+++ b/drivers/base/dma-buf.c
@@ -251,9 +251,8 @@ EXPORT_SYMBOL_GPL(dma_buf_put);
* @dmabuf: [in] buffer to attach device to.
* @dev: [in] device to be attached.
*
- * Returns struct dma_buf_attachment * for this attachment; may return negative
- * error codes.
- *
+ * Returns struct dma_buf_attachment * for this attachment; returns ERR_PTR on
+ * error.
*/
struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
struct device *dev)
@@ -319,9 +318,8 @@ EXPORT_SYMBOL_GPL(dma_buf_detach);
* @attach: [in] attachment whose scatterlist is to be returned
* @direction: [in] direction of DMA transfer
*
- * Returns sg_table containing the scatterlist to be returned; may return NULL
- * or ERR_PTR.
- *
+ * Returns sg_table containing the scatterlist to be returned; returns ERR_PTR
+ * on error.
*/
struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,
enum dma_data_direction direction)
@@ -334,6 +332,8 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,
return ERR_PTR(-EINVAL);
sg_table = attach->dmabuf->ops->map_dma_buf(attach, direction);
+ if (!sg_table)
+ sg_table = ERR_PTR(-ENOMEM);
return sg_table;
}
@@ -544,6 +544,8 @@ EXPORT_SYMBOL_GPL(dma_buf_mmap);
* These calls are optional in drivers. The intended use for them
* is for mapping objects linear in kernel space for high use objects.
* Please attempt to use kmap/kunmap before thinking about these interfaces.
+ *
+ * Returns NULL on error.
*/
void *dma_buf_vmap(struct dma_buf *dmabuf)
{
@@ -566,7 +568,9 @@ void *dma_buf_vmap(struct dma_buf *dmabuf)
BUG_ON(dmabuf->vmap_ptr);
ptr = dmabuf->ops->vmap(dmabuf);
- if (IS_ERR_OR_NULL(ptr))
+ if (WARN_ON_ONCE(IS_ERR(ptr)))
+ ptr = NULL;
+ if (!ptr)
goto out_unlock;
dmabuf->vmap_ptr = ptr;
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index c30df50e4440..d276e33880be 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -649,7 +649,9 @@ static ssize_t firmware_loading_store(struct device *dev,
* see the mapped 'buf->data' once the loading
* is completed.
* */
- fw_map_pages_buf(fw_buf);
+ if (fw_map_pages_buf(fw_buf))
+ dev_err(dev, "%s: map pages failed\n",
+ __func__);
list_del_init(&fw_buf->pending_list);
complete_all(&fw_buf->completion);
break;
@@ -900,7 +902,8 @@ static int _request_firmware_load(struct firmware_priv *fw_priv,
dev_set_uevent_suppress(f_dev, false);
dev_dbg(f_dev, "firmware: requesting %s\n", buf->fw_id);
if (timeout != MAX_SCHEDULE_TIMEOUT)
- schedule_delayed_work(&fw_priv->timeout_work, timeout);
+ queue_delayed_work(system_power_efficient_wq,
+ &fw_priv->timeout_work, timeout);
kobject_uevent(&fw_priv->dev.kobj, KOBJ_ADD);
}
@@ -908,6 +911,8 @@ static int _request_firmware_load(struct firmware_priv *fw_priv,
wait_for_completion(&buf->completion);
cancel_delayed_work_sync(&fw_priv->timeout_work);
+ if (!buf->data)
+ retval = -ENOMEM;
device_remove_file(f_dev, &dev_attr_loading);
err_del_bin_attr:
@@ -1570,8 +1575,8 @@ static void device_uncache_fw_images_work(struct work_struct *work)
*/
static void device_uncache_fw_images_delay(unsigned long delay)
{
- schedule_delayed_work(&fw_cache.work,
- msecs_to_jiffies(delay));
+ queue_delayed_work(system_power_efficient_wq, &fw_cache.work,
+ msecs_to_jiffies(delay));
}
static int fw_pm_notify(struct notifier_block *notify_block,
diff --git a/drivers/base/node.c b/drivers/base/node.c
index bc9f43bf7e29..8f7ed9933a7c 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -599,7 +599,11 @@ int register_one_node(int nid)
void unregister_one_node(int nid)
{
+ if (!node_devices[nid])
+ return;
+
unregister_node(node_devices[nid]);
+ kfree(node_devices[nid]);
node_devices[nid] = NULL;
}
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index bc78848dd59a..e714709704e4 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -481,11 +481,10 @@ static int platform_drv_probe(struct device *_dev)
struct platform_device *dev = to_platform_device(_dev);
int ret;
- if (ACPI_HANDLE(_dev))
- acpi_dev_pm_attach(_dev, true);
+ acpi_dev_pm_attach(_dev, true);
ret = drv->probe(dev);
- if (ret && ACPI_HANDLE(_dev))
+ if (ret)
acpi_dev_pm_detach(_dev, true);
if (drv->prevent_deferred_probe && ret == -EPROBE_DEFER) {
@@ -508,8 +507,7 @@ static int platform_drv_remove(struct device *_dev)
int ret;
ret = drv->remove(dev);
- if (ACPI_HANDLE(_dev))
- acpi_dev_pm_detach(_dev, true);
+ acpi_dev_pm_detach(_dev, true);
return ret;
}
@@ -520,8 +518,7 @@ static void platform_drv_shutdown(struct device *_dev)
struct platform_device *dev = to_platform_device(_dev);
drv->shutdown(dev);
- if (ACPI_HANDLE(_dev))
- acpi_dev_pm_detach(_dev, true);
+ acpi_dev_pm_detach(_dev, true);
}
/**
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index e870bbe9ec4e..b99e6c06ee67 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -6,7 +6,6 @@
* This file is released under the GPLv2.
*/
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/io.h>
diff --git a/drivers/base/power/common.c b/drivers/base/power/common.c
index 5da914041305..df2e5eeaeb05 100644
--- a/drivers/base/power/common.c
+++ b/drivers/base/power/common.c
@@ -6,7 +6,6 @@
* This file is released under the GPLv2.
*/
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/export.h>
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index dc127e5dec4b..6f54962aae1d 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -6,7 +6,6 @@
* This file is released under the GPLv2.
*/
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 28dee3053f1f..a089e3bcdfbc 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -6,7 +6,6 @@
* This file is released under the GPLv2.
*/
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pm_domain.h>
#include <linux/pm_qos.h>
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index fa4187418440..25538675d59e 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -14,7 +14,6 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/err.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/cpufreq.h>
#include <linux/device.h>
diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c
index fa6bf5279d28..ebd189529760 100644
--- a/drivers/base/regmap/regmap-i2c.c
+++ b/drivers/base/regmap/regmap-i2c.c
@@ -13,7 +13,6 @@
#include <linux/regmap.h>
#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/init.h>
static int regmap_i2c_write(void *context, const void *data, size_t count)
{
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index de45a1e1548f..1e03e7f8bacb 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -18,7 +18,6 @@
#include <linux/clk.h>
#include <linux/err.h>
-#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/regmap.h>
diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
index 37f12ae7aada..0eb3097c0d76 100644
--- a/drivers/base/regmap/regmap-spi.c
+++ b/drivers/base/regmap/regmap-spi.c
@@ -12,7 +12,6 @@
#include <linux/regmap.h>
#include <linux/spi/spi.h>
-#include <linux/init.h>
#include <linux/module.h>
#include "internal.h"
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index 94ffee378f10..ad9d17762664 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -23,7 +23,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
-#include <linux/init.h>
#include <linux/mm.h>
#include <linux/cpu.h>
#include <linux/module.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 06:52:57 +0000