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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/firmware/arm_ffa/bus.c | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/firmware/arm_ffa/bus.c')
| -rw-r--r-- | drivers/firmware/arm_ffa/bus.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 7865438b36..1c7940ba55 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -15,6 +15,8 @@ #include "common.h" +#define SCMI_UEVENT_MODALIAS_FMT "arm_ffa:%04x:%pUb" + static DEFINE_IDA(ffa_bus_id); static int ffa_device_match(struct device *dev, struct device_driver *drv) @@ -63,10 +65,20 @@ static int ffa_device_uevent(const struct device *dev, struct kobj_uevent_env *e { const struct ffa_device *ffa_dev = to_ffa_dev(dev); - return add_uevent_var(env, "MODALIAS=arm_ffa:%04x:%pUb", + return add_uevent_var(env, "MODALIAS=" SCMI_UEVENT_MODALIAS_FMT, ffa_dev->vm_id, &ffa_dev->uuid); } +static ssize_t modalias_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ffa_device *ffa_dev = to_ffa_dev(dev); + + return sysfs_emit(buf, SCMI_UEVENT_MODALIAS_FMT, ffa_dev->vm_id, + &ffa_dev->uuid); +} +static DEVICE_ATTR_RO(modalias); + static ssize_t partition_id_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -88,6 +100,7 @@ static DEVICE_ATTR_RO(uuid); static struct attribute *ffa_device_attributes_attrs[] = { &dev_attr_partition_id.attr, &dev_attr_uuid.attr, + &dev_attr_modalias.attr, NULL, }; ATTRIBUTE_GROUPS(ffa_device_attributes); |