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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2018-05-31 13:49:29 +0200
committerJiri Kosina <jkosina@suse.cz>2018-06-25 15:29:16 +0200
commit8f732850df1b2b4d8d719f7e606dfb3050e7ea11 (patch)
tree6404276bcb01659e9933242c89a9ba7672edcb66 /include
parentd471b6b22d37bf9928c6d0202bdaaf76583b8b61 (diff)
HID: core: allow concurrent registration of drivers
Detected on the Dell XPS 9365. The laptop has 2 devices that benefit from the hid-generic auto-unbinding. When those 2 devices are presented to the userspace, udev loads both wacom and hid-multitouch. When this happens, the code in __hid_bus_reprobe_drivers() is called concurrently and the second device gets reprobed twice. An other bug in the power_supply subsystem prevent to remove the wacom driver if it just finished its initialization, which basically kills the wacom node. [jkosina@suse.cz: reformat changelog a bit] Fixes c17a7476e4c4 ("HID: core: rewrite the hid-generic automatic unbind") Cc: stable@vger.kernel.org # v4.17 Tested-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include')
-rw-r--r--include/linux/hid.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 41a3d5775394..773bcb1d4044 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -511,6 +511,7 @@ struct hid_output_fifo {
#define HID_STAT_ADDED BIT(0)
#define HID_STAT_PARSED BIT(1)
#define HID_STAT_DUP_DETECTED BIT(2)
+#define HID_STAT_REPROBED BIT(3)
struct hid_input {
struct list_head list;
@@ -579,7 +580,7 @@ struct hid_device { /* device report descriptor */
bool battery_avoid_query;
#endif
- unsigned int status; /* see STAT flags above */
+ unsigned long status; /* see STAT flags above */
unsigned claimed; /* Claimed by hidinput, hiddev? */
unsigned quirks; /* Various quirks the device can pull on us */
bool io_started; /* If IO has started */