Merge tag 'driver-core-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the "big" set of driver core patches for 5.10-rc1

  They include a lot of different things, all related to the driver core
  and/or some driver logic:

   - sysfs common write functions to make it easier to audit sysfs
     attributes

   - device connection cleanups and fixes

   - devm helpers for a few functions

   - NOIO allocations for when devices are being removed

   - minor cleanups and fixes

  All have been in linux-next for a while with no reported issues"

* tag 'driver-core-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (31 commits)
  regmap: debugfs: use semicolons rather than commas to separate statements
  platform/x86: intel_pmc_core: do not create a static struct device
  drivers core: node: Use a more typical macro definition style for ACCESS_ATTR
  drivers core: Use sysfs_emit for shared_cpu_map_show and shared_cpu_list_show
  mm: and drivers core: Convert hugetlb_report_node_meminfo to sysfs_emit
  drivers core: Miscellaneous changes for sysfs_emit
  drivers core: Reindent a couple uses around sysfs_emit
  drivers core: Remove strcat uses around sysfs_emit and neaten
  drivers core: Use sysfs_emit and sysfs_emit_at for show(device *...) functions
  sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
  dyndbg: use keyword, arg varnames for query term pairs
  driver core: force NOIO allocations during unplug
  platform_device: switch to simpler IDA interface
  driver core: platform: Document return type of more functions
  Revert "driver core: Annotate dev_err_probe() with __must_check"
  Revert "test_firmware: Test platform fw loading on non-EFI systems"
  iio: adc: xilinx-xadc: use devm_krealloc()
  hwmon: pmbus: use more devres helpers
  devres: provide devm_krealloc()
  syscore: Use pm_pr_dbg() for syscore_{suspend,resume}()
  ...

1 files changed, 30 insertions, 34 deletions

diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index a5bae551167d..d34609bb7386 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -17,9 +17,9 @@
 
 static DEFINE_IDA(soc_ida);
 
-static ssize_t soc_info_get(struct device *dev,
-			    struct device_attribute *attr,
-			    char *buf);
+/* Prototype to allow declarations of DEVICE_ATTR(<foo>) before soc_info_show */
+static ssize_t soc_info_show(struct device *dev, struct device_attribute *attr,
+			     char *buf);
 
 struct soc_device {
 	struct device dev;
@@ -31,11 +31,11 @@ static struct bus_type soc_bus_type = {
 	.name  = "soc",
 };
 
-static DEVICE_ATTR(machine,  S_IRUGO, soc_info_get,  NULL);
-static DEVICE_ATTR(family,   S_IRUGO, soc_info_get,  NULL);
-static DEVICE_ATTR(serial_number, S_IRUGO, soc_info_get,  NULL);
-static DEVICE_ATTR(soc_id,   S_IRUGO, soc_info_get,  NULL);
-static DEVICE_ATTR(revision, S_IRUGO, soc_info_get,  NULL);
+static DEVICE_ATTR(machine,		0444, soc_info_show,  NULL);
+static DEVICE_ATTR(family,		0444, soc_info_show,  NULL);
+static DEVICE_ATTR(serial_number,	0444, soc_info_show,  NULL);
+static DEVICE_ATTR(soc_id,		0444, soc_info_show,  NULL);
+static DEVICE_ATTR(revision,		0444, soc_info_show,  NULL);
 
 struct device *soc_device_to_device(struct soc_device *soc_dev)
 {
@@ -49,45 +49,41 @@ static umode_t soc_attribute_mode(struct kobject *kobj,
 	struct device *dev = kobj_to_dev(kobj);
 	struct soc_device *soc_dev = container_of(dev, struct soc_device, dev);
 
-	if ((attr == &dev_attr_machine.attr)
-	    && (soc_dev->attr->machine != NULL))
+	if ((attr == &dev_attr_machine.attr) && soc_dev->attr->machine)
 		return attr->mode;
-	if ((attr == &dev_attr_family.attr)
-	    && (soc_dev->attr->family != NULL))
+	if ((attr == &dev_attr_family.attr) && soc_dev->attr->family)
 		return attr->mode;
-	if ((attr == &dev_attr_revision.attr)
-	    && (soc_dev->attr->revision != NULL))
+	if ((attr == &dev_attr_revision.attr) && soc_dev->attr->revision)
 		return attr->mode;
-	if ((attr == &dev_attr_serial_number.attr)
-	    && (soc_dev->attr->serial_number != NULL))
+	if ((attr == &dev_attr_serial_number.attr) && soc_dev->attr->serial_number)
 		return attr->mode;
-	if ((attr == &dev_attr_soc_id.attr)
-	    && (soc_dev->attr->soc_id != NULL))
+	if ((attr == &dev_attr_soc_id.attr) && soc_dev->attr->soc_id)
 		return attr->mode;
 
-	/* Unknown or unfilled attribute. */
+	/* Unknown or unfilled attribute */
 	return 0;
 }
 
-static ssize_t soc_info_get(struct device *dev,
-			    struct device_attribute *attr,
-			    char *buf)
+static ssize_t soc_info_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
 {
 	struct soc_device *soc_dev = container_of(dev, struct soc_device, dev);
+	const char *output;
 
 	if (attr == &dev_attr_machine)
-		return sprintf(buf, "%s\n", soc_dev->attr->machine);
-	if (attr == &dev_attr_family)
-		return sprintf(buf, "%s\n", soc_dev->attr->family);
-	if (attr == &dev_attr_revision)
-		return sprintf(buf, "%s\n", soc_dev->attr->revision);
-	if (attr == &dev_attr_serial_number)
-		return sprintf(buf, "%s\n", soc_dev->attr->serial_number);
-	if (attr == &dev_attr_soc_id)
-		return sprintf(buf, "%s\n", soc_dev->attr->soc_id);
-
-	return -EINVAL;
-
+		output = soc_dev->attr->machine;
+	else if (attr == &dev_attr_family)
+		output = soc_dev->attr->family;
+	else if (attr == &dev_attr_revision)
+		output = soc_dev->attr->revision;
+	else if (attr == &dev_attr_serial_number)
+		output = soc_dev->attr->serial_number;
+	else if (attr == &dev_attr_soc_id)
+		output = soc_dev->attr->soc_id;
+	else
+		return -EINVAL;
+
+	return sysfs_emit(buf, "%s\n", output);
 }
 
 static struct attribute *soc_attr[] = {