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Subject[PATCH v1 1/2] firmware: meson_sm: refactor serial sysfs entry via dev_groups attrs
Date
Introduce just another way to register sysfs serial entry:
the less code, the better in the absence of extra error-paths

Signed-off-by: Evgeny Bachinin <EABachinin@salutedevices.com>
---
drivers/firmware/meson/meson_sm.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 27a8cd4747f8..73878ff9833c 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -273,14 +273,11 @@ static ssize_t serial_show(struct device *dev, struct device_attribute *attr,

static DEVICE_ATTR_RO(serial);

-static struct attribute *meson_sm_sysfs_attributes[] = {
+static struct attribute *meson_sm_sysfs_attrs[] = {
&dev_attr_serial.attr,
NULL,
};
-
-static const struct attribute_group meson_sm_sysfs_attr_group = {
- .attrs = meson_sm_sysfs_attributes,
-};
+ATTRIBUTE_GROUPS(meson_sm_sysfs);

static const struct of_device_id meson_sm_ids[] = {
{ .compatible = "amlogic,meson-gxbb-sm", .data = &gxbb_chip },
@@ -320,9 +317,6 @@ static int __init meson_sm_probe(struct platform_device *pdev)
if (devm_of_platform_populate(dev))
goto out_in_base;

- if (sysfs_create_group(&pdev->dev.kobj, &meson_sm_sysfs_attr_group))
- goto out_in_base;
-
pr_info("secure-monitor enabled\n");

return 0;
@@ -337,6 +331,7 @@ static struct platform_driver meson_sm_driver = {
.driver = {
.name = "meson-sm",
.of_match_table = of_match_ptr(meson_sm_ids),
+ .dev_groups = meson_sm_sysfs_groups,
},
};
module_platform_driver_probe(meson_sm_driver, meson_sm_probe);
--
2.34.1
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