diff options
author | Heiner Kallweit <hkallweit1@gmail.com> | 2023-03-17 13:36:18 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-29 12:21:23 +0200 |
commit | 3f84aa5ec052dba960baca4ab8a352d43d47028e (patch) | |
tree | 70f9d980fbed15ae4825aa90fe4b7b36a609d3d4 | |
parent | 7b884b7f24b42fa25e92ed724ad82f137610afaf (diff) |
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>
-rw-r--r-- | drivers/base/soc.c | 15 |
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); |