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authorDavid S. Miller <davem@davemloft.net>2019-10-19 22:51:25 -0700
committerDavid S. Miller <davem@davemloft.net>2019-10-20 10:43:00 -0700
commit2f184393e0c2d409c62262f57f2a57efdf9370b8 (patch)
tree25b96db2550014d7f888605abfabb67a7f40a5d3 /drivers/base
parentebcd670d05d54ff8d17a1a51bba1ec1e4069d949 (diff)
parent531e93d11470aa2e14e6a3febef50d9bc7bab7a1 (diff)
downloadlinux-2f184393e0c2d409c62262f57f2a57efdf9370b8.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Several cases of overlapping changes which were for the most part trivially resolvable. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/core.c3
-rw-r--r--drivers/base/memory.c3
-rw-r--r--drivers/base/platform.c46
3 files changed, 45 insertions, 7 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2db62d98e395..7bd9cd366d41 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -9,6 +9,7 @@
*/
#include <linux/acpi.h>
+#include <linux/cpufreq.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/fwnode.h>
@@ -3179,6 +3180,8 @@ void device_shutdown(void)
wait_for_device_probe();
device_block_probing();
+ cpufreq_suspend();
+
spin_lock(&devices_kset->list_lock);
/*
* Walk the devices list backward, shutting down each in turn.
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 6bea4f3f8040..55907c27075b 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -540,6 +540,9 @@ static ssize_t soft_offline_page_store(struct device *dev,
pfn >>= PAGE_SHIFT;
if (!pfn_valid(pfn))
return -ENXIO;
+ /* Only online pages can be soft-offlined (esp., not ZONE_DEVICE). */
+ if (!pfn_to_online_page(pfn))
+ return -EIO;
ret = soft_offline_page(pfn_to_page(pfn), 0);
return ret == 0 ? count : ret;
}
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index b6c6c7d97d5b..b230beb6ccb4 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -241,12 +241,8 @@ struct resource *platform_get_resource_byname(struct platform_device *dev,
}
EXPORT_SYMBOL_GPL(platform_get_resource_byname);
-/**
- * platform_get_irq_byname - get an IRQ for a device by name
- * @dev: platform device
- * @name: IRQ name
- */
-int platform_get_irq_byname(struct platform_device *dev, const char *name)
+static int __platform_get_irq_byname(struct platform_device *dev,
+ const char *name)
{
struct resource *r;
@@ -262,12 +258,48 @@ int platform_get_irq_byname(struct platform_device *dev, const char *name)
if (r)
return r->start;
- dev_err(&dev->dev, "IRQ %s not found\n", name);
return -ENXIO;
}
+
+/**
+ * platform_get_irq_byname - get an IRQ for a device by name
+ * @dev: platform device
+ * @name: IRQ name
+ *
+ * Get an IRQ like platform_get_irq(), but then by name rather then by index.
+ *
+ * Return: IRQ number on success, negative error number on failure.
+ */
+int platform_get_irq_byname(struct platform_device *dev, const char *name)
+{
+ int ret;
+
+ ret = __platform_get_irq_byname(dev, name);
+ if (ret < 0 && ret != -EPROBE_DEFER)
+ dev_err(&dev->dev, "IRQ %s not found\n", name);
+
+ return ret;
+}
EXPORT_SYMBOL_GPL(platform_get_irq_byname);
/**
+ * platform_get_irq_byname_optional - get an optional IRQ for a device by name
+ * @dev: platform device
+ * @name: IRQ name
+ *
+ * Get an optional IRQ by name like platform_get_irq_byname(). Except that it
+ * does not print an error message if an IRQ can not be obtained.
+ *
+ * Return: IRQ number on success, negative error number on failure.
+ */
+int platform_get_irq_byname_optional(struct platform_device *dev,
+ const char *name)
+{
+ return __platform_get_irq_byname(dev, name);
+}
+EXPORT_SYMBOL_GPL(platform_get_irq_byname_optional);
+
+/**
* platform_add_devices - add a numbers of platform devices
* @devs: array of platform devices to add
* @num: number of platform devices in array