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kernel-device-generic: setup 'lower device' for virtual ports

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This commit is contained in:
Aleksander Morgado
2021-03-10 10:59:22 +01:00
parent 591db5e455
commit 21174f289f
1 changed files with 29 additions and 2 deletions
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src/kerneldevice/mm-kernel-device-generic.c
+29 -2
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@@ -26,6 +26,7 @@
#include "mm-kernel-device-generic.h"
#include "mm-kernel-device-generic-rules.h"
#include "mm-kernel-device-helpers.h"
#include "mm-log-object.h"
#include "mm-utils.h"
@@ -242,8 +243,9 @@ ptr_array_add_sysfs_attribute_link_basename (GPtrArray *array,
static void
preload_contents_other (MMKernelDeviceGeneric *self)
{
GPtrArray *drivers;
GPtrArray *subsystems;
g_autofree gchar *lower_device_name = NULL;
GPtrArray *drivers;
GPtrArray *subsystems;
/* For any other kind of bus (or the absence of one, as in virtual devices),
* assume this is a single port device and don't try to match multiple ports
@@ -258,6 +260,31 @@ preload_contents_other (MMKernelDeviceGeneric *self)
ptr_array_add_sysfs_attribute_link_basename (subsystems, self->priv->sysfs_path, "subsystem", NULL);
g_ptr_array_add (subsystems, NULL);
self->priv->subsystems = (gchar **) g_ptr_array_free (subsystems, FALSE);
/* But look for a lower real physical device, as we may have one */
lower_device_name = mm_kernel_device_get_lower_device_name (self->priv->sysfs_path);
if (lower_device_name) {
g_autoptr(MMKernelDevice) lower_kernel_device = NULL;
g_autoptr(MMKernelEventProperties) props = NULL;
g_autoptr(GError) error = NULL;
const gchar *subsystem;
subsystem = mm_kernel_device_get_subsystem (MM_KERNEL_DEVICE (self));
props = mm_kernel_event_properties_new ();
mm_kernel_event_properties_set_subsystem (props, subsystem);
mm_kernel_event_properties_set_name (props, lower_device_name);
lower_kernel_device = mm_kernel_device_generic_new (props, &error);
if (!lower_kernel_device) {
mm_obj_dbg (self, "couldn't find lower device: %s/%s", subsystem, lower_device_name);
} else {
mm_obj_dbg (self, "setting up lower device: %s/%s", subsystem, lower_device_name);
g_object_set (self,
"lower-device", lower_kernel_device,
NULL);
}
}
}
static void