[PATCH] coresight: trbe: Hide enable_sink sysfs file
Leo Yan
leo.yan at arm.com
Wed May 13 01:15:51 PDT 2026
On Thu, May 07, 2026 at 11:53:45AM +0100, James Clark wrote:
[...]
> +static umode_t coresight_attr_is_visible(struct kobject *kobj,
> + struct attribute *attr, int n)
> {
> struct device *dev = kobj_to_dev(kobj);
> + struct coresight_device *csdev = to_coresight_device(dev);
>
> if (attr == &dev_attr_label.attr) {
> if (fwnode_property_present(dev_fwnode(dev), "label"))
> return attr->mode;
> else
> return 0;
> + } else if (attr == &dev_attr_enable_sink.attr ||
> + attr == &dev_attr_enable_source.attr) {
> + if (csdev->no_sysfs_mode)
> + return 0;
> + else
> + return attr->mode;
I'd prefer no_sysfs_mode to work as a general flag rather than being
limited to sink/source devices only. Otherwise, LGTM.
Thanks,
Leo
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