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base: soc: rename and export soc_device_get_machine()

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Some SoC drivers reimplement the functionality of
soc_device_get_machine(). Make this function accessible through the
sys_soc.h header and rename it to a more descriptive name.

Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260223-soc-of-root-v2-4-b45da45903c8@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2026-02-23 14:37:19 +01:00 committed by Greg Kroah-Hartman
parent e06c3b1379
commit 030706e954
2 changed files with 15 additions and 8 deletions
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13
drivers/base/soc.c
View File

@ -111,17 +111,14 @@ static void soc_release(struct device *dev)
kfree(soc_dev);
}
static void soc_device_get_machine(struct soc_device_attribute *soc_dev_attr)
int soc_attr_read_machine(struct soc_device_attribute *soc_dev_attr)
{
struct device_node *np;
if (soc_dev_attr->machine)
return;
return -EBUSY;
np = of_find_node_by_path("/");
of_property_read_string(np, "model", &soc_dev_attr->machine);
of_node_put(np);
return of_machine_read_model(&soc_dev_attr->machine);
}
EXPORT_SYMBOL_GPL(soc_attr_read_machine);
static struct soc_device_attribute *early_soc_dev_attr;
@ -131,7 +128,7 @@ 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);
soc_attr_read_machine(soc_dev_attr);
if (!soc_bus_registered) {
if (early_soc_dev_attr)

10
include/linux/sys_soc.h
View File

@ -37,6 +37,16 @@ void soc_device_unregister(struct soc_device *soc_dev);
*/
struct device *soc_device_to_device(struct soc_device *soc);
/**
* soc_attr_read_machine - retrieve the machine model and store it in
* the soc_device_attribute structure
* @soc_dev_attr: SoC attribute structure to store the model in
*
* Returns:
* 0 on success, negative error number on failure.
*/
int soc_attr_read_machine(struct soc_device_attribute *soc_dev_attr);
#ifdef CONFIG_SOC_BUS
const struct soc_device_attribute *soc_device_match(
const struct soc_device_attribute *matches);