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authorHeiner Kallweit <hkallweit1@gmail.com>2023-03-17 15:36:18 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-29 13:21:23 +0300
commit3f84aa5ec052dba960baca4ab8a352d43d47028e (patch)
tree70f9d980fbed15ae4825aa90fe4b7b36a609d3d4 /drivers/base/soc.c
parent7b884b7f24b42fa25e92ed724ad82f137610afaf (diff)
downloadlinux-3f84aa5ec052dba960baca4ab8a352d43d47028e.tar.xz
base: soc: populate machine name in soc_device_register if empty
Several SoC drivers use the same of-based mechanism to populate the machine name. Therefore move this to the core and try to populate the machine name in soc_device_register if it's not set yet. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Link: https://lore.kernel.org/r/6dbdf458-9f46-613e-de58-b4a56a6cdd9f@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/soc.c')
-rw-r--r--drivers/base/soc.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 0fb1d4ab9d8a..8dec5228fde3 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -7,6 +7,7 @@
#include <linux/sysfs.h>
#include <linux/init.h>
+#include <linux/of.h>
#include <linux/stat.h>
#include <linux/slab.h>
#include <linux/idr.h>
@@ -110,6 +111,18 @@ static void soc_release(struct device *dev)
kfree(soc_dev);
}
+static void soc_device_get_machine(struct soc_device_attribute *soc_dev_attr)
+{
+ struct device_node *np;
+
+ if (soc_dev_attr->machine)
+ return;
+
+ np = of_find_node_by_path("/");
+ of_property_read_string(np, "model", &soc_dev_attr->machine);
+ of_node_put(np);
+}
+
static struct soc_device_attribute *early_soc_dev_attr;
struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr)
@@ -118,6 +131,8 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr
const struct attribute_group **soc_attr_groups;
int ret;
+ soc_device_get_machine(soc_dev_attr);
+
if (!soc_bus_registered) {
if (early_soc_dev_attr)
return ERR_PTR(-EBUSY);