Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
authorLinus Torvalds <torvalds@linux-foundation.org>
Mon, 17 Mar 2014 15:00:50 +0000 (08:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 17 Mar 2014 15:00:50 +0000 (08:00 -0700)
Pull HID fixes from Jiri Kosina:

 - fix for ordering of device removal actions in hidraw, by Fernando
   Luis Vázquez Cao

 - fix for uninitialized workqueue usage in hid-sony, by Frank Praznik

 - device ID addition for new variant of Logitech G27, from Simon Wood

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: hid-lg4ff: Support new version of G27
  HID: hidraw: fix warning destroying hidraw device files after parent
  HID: sony: Fix work queue issues.

drivers/hid/hid-lg4ff.c
drivers/hid/hid-sony.c
drivers/hid/hidraw.c

index befe0e336471b0f36e34473ee97c3ba72759ddf9..24883b4d1a49d40a2bb3462ee36ed094f474b3cd 100644 (file)
@@ -43,6 +43,7 @@
 #define G25_REV_MIN 0x22
 #define G27_REV_MAJ 0x12
 #define G27_REV_MIN 0x38
+#define G27_2_REV_MIN 0x39
 
 #define to_hid_device(pdev) container_of(pdev, struct hid_device, dev)
 
@@ -130,6 +131,7 @@ static const struct lg4ff_usb_revision lg4ff_revs[] = {
        {DFP_REV_MAJ,  DFP_REV_MIN,  &native_dfp},      /* Driving Force Pro */
        {G25_REV_MAJ,  G25_REV_MIN,  &native_g25},      /* G25 */
        {G27_REV_MAJ,  G27_REV_MIN,  &native_g27},      /* G27 */
+       {G27_REV_MAJ,  G27_2_REV_MIN,  &native_g27},    /* G27 v2 */
 };
 
 /* Recalculates X axis value accordingly to currently selected range */
index 12354055d4745a4a50e783f624ec8b24bee46dc4..2f19b15f47f2ffca68de731ef0e0ba3ae53c972b 100644 (file)
@@ -42,6 +42,7 @@
 #define DUALSHOCK4_CONTROLLER_BT  BIT(6)
 
 #define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER_USB | BUZZ_CONTROLLER | DUALSHOCK4_CONTROLLER_USB)
+#define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER_USB | DUALSHOCK4_CONTROLLER_USB)
 
 #define MAX_LEDS 4
 
@@ -499,6 +500,7 @@ struct sony_sc {
        __u8 right;
 #endif
 
+       __u8 worker_initialized;
        __u8 led_state[MAX_LEDS];
        __u8 led_count;
 };
@@ -993,22 +995,11 @@ static int sony_init_ff(struct hid_device *hdev)
        return input_ff_create_memless(input_dev, NULL, sony_play_effect);
 }
 
-static void sony_destroy_ff(struct hid_device *hdev)
-{
-       struct sony_sc *sc = hid_get_drvdata(hdev);
-
-       cancel_work_sync(&sc->state_worker);
-}
-
 #else
 static int sony_init_ff(struct hid_device *hdev)
 {
        return 0;
 }
-
-static void sony_destroy_ff(struct hid_device *hdev)
-{
-}
 #endif
 
 static int sony_set_output_report(struct sony_sc *sc, int req_id, int req_size)
@@ -1077,6 +1068,8 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
        if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
                hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
                ret = sixaxis_set_operational_usb(hdev);
+
+               sc->worker_initialized = 1;
                INIT_WORK(&sc->state_worker, sixaxis_state_worker);
        }
        else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
@@ -1087,6 +1080,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
                if (ret < 0)
                        goto err_stop;
 
+               sc->worker_initialized = 1;
                INIT_WORK(&sc->state_worker, dualshock4_state_worker);
        } else {
                ret = 0;
@@ -1101,9 +1095,11 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
                        goto err_stop;
        }
 
-       ret = sony_init_ff(hdev);
-       if (ret < 0)
-               goto err_stop;
+       if (sc->quirks & SONY_FF_SUPPORT) {
+               ret = sony_init_ff(hdev);
+               if (ret < 0)
+                       goto err_stop;
+       }
 
        return 0;
 err_stop:
@@ -1120,7 +1116,8 @@ static void sony_remove(struct hid_device *hdev)
        if (sc->quirks & SONY_LED_SUPPORT)
                sony_leds_remove(hdev);
 
-       sony_destroy_ff(hdev);
+       if (sc->worker_initialized)
+               cancel_work_sync(&sc->state_worker);
 
        hid_hw_stop(hdev);
 }
index cb0137b3718d8cd0a42d6483a9817a26733452c6..ab24ce2eb28f484e30fa0994cd2781994ff7d22d 100644 (file)
@@ -320,13 +320,13 @@ static void drop_ref(struct hidraw *hidraw, int exists_bit)
                        hid_hw_close(hidraw->hid);
                        wake_up_interruptible(&hidraw->wait);
                }
+               device_destroy(hidraw_class,
+                              MKDEV(hidraw_major, hidraw->minor));
        } else {
                --hidraw->open;
        }
        if (!hidraw->open) {
                if (!hidraw->exist) {
-                       device_destroy(hidraw_class,
-                                       MKDEV(hidraw_major, hidraw->minor));
                        hidraw_table[hidraw->minor] = NULL;
                        kfree(hidraw);
                } else {