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author | Olof Johansson <olof@lixom.net> | 2020-03-03 16:40:54 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2020-03-03 16:40:56 -0800 |
commit | 820d15632ec10bc0cf79595c5a635b795d149520 (patch) | |
tree | 9deb7defafc350a3c74365ebe370634f0406d821 /drivers/hid/hid-bigbenff.c | |
parent | Merge tag 'arm-soc/for-5.6/defconfig-fixes' of https://github.com/Broadcom/stblinux into arm/fixes (diff) | |
parent | arm64: dts: socfpga: agilex: Fix gmac compatible (diff) | |
download | linux-dev-820d15632ec10bc0cf79595c5a635b795d149520.tar.xz linux-dev-820d15632ec10bc0cf79595c5a635b795d149520.zip |
Merge tag 'socfpga_dts_fix_for_v5.6_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes
arm64: dts: agilex: fix gmac compatible
- The compatible for Agilex GMAC should be "altr,socfpga-stmmac-a10-s10"
* tag 'socfpga_dts_fix_for_v5.6_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: (578 commits)
arm64: dts: socfpga: agilex: Fix gmac compatible
Linux 5.6-rc4
KVM: VMX: check descriptor table exits on instruction emulation
ext4: potential crash on allocation error in ext4_alloc_flex_bg_array()
macintosh: therm_windtunnel: fix regression when instantiating devices
jbd2: fix data races at struct journal_head
kvm: x86: Limit the number of "kvm: disabled by bios" messages
KVM: x86: avoid useless copy of cpufreq policy
KVM: allow disabling -Werror
KVM: x86: allow compiling as non-module with W=1
KVM: Pre-allocate 1 cpumask variable per cpu for both pv tlb and pv ipis
KVM: Introduce pv check helpers
KVM: let declaration of kvm_get_running_vcpus match implementation
KVM: SVM: allocate AVIC data structures based on kvm_amd module parameter
MAINTAINERS: Correct Cadence PCI driver path
io_uring: fix 32-bit compatability with sendmsg/recvmsg
net: dsa: mv88e6xxx: Fix masking of egress port
mlxsw: pci: Wait longer before accessing the device after reset
sfc: fix timestamp reconstruction at 16-bit rollover points
vsock: fix potential deadlock in transport->release()
...
Link: https://lore.kernel.org/r/20200303153509.28248-1-dinguyen@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/hid/hid-bigbenff.c')
-rw-r--r-- | drivers/hid/hid-bigbenff.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/hid/hid-bigbenff.c b/drivers/hid/hid-bigbenff.c index 3f6abd190df4..db6da21ade06 100644 --- a/drivers/hid/hid-bigbenff.c +++ b/drivers/hid/hid-bigbenff.c @@ -174,6 +174,7 @@ static __u8 pid0902_rdesc_fixed[] = { struct bigben_device { struct hid_device *hid; struct hid_report *report; + bool removed; u8 led_state; /* LED1 = 1 .. LED4 = 8 */ u8 right_motor_on; /* right motor off/on 0/1 */ u8 left_motor_force; /* left motor force 0-255 */ @@ -190,6 +191,9 @@ static void bigben_worker(struct work_struct *work) struct bigben_device, worker); struct hid_field *report_field = bigben->report->field[0]; + if (bigben->removed) + return; + if (bigben->work_led) { bigben->work_led = false; report_field->value[0] = 0x01; /* 1 = led message */ @@ -220,10 +224,16 @@ static void bigben_worker(struct work_struct *work) static int hid_bigben_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) { - struct bigben_device *bigben = data; + struct hid_device *hid = input_get_drvdata(dev); + struct bigben_device *bigben = hid_get_drvdata(hid); u8 right_motor_on; u8 left_motor_force; + if (!bigben) { + hid_err(hid, "no device data\n"); + return 0; + } + if (effect->type != FF_RUMBLE) return 0; @@ -298,8 +308,8 @@ static void bigben_remove(struct hid_device *hid) { struct bigben_device *bigben = hid_get_drvdata(hid); + bigben->removed = true; cancel_work_sync(&bigben->worker); - hid_hw_close(hid); hid_hw_stop(hid); } @@ -319,6 +329,7 @@ static int bigben_probe(struct hid_device *hid, return -ENOMEM; hid_set_drvdata(hid, bigben); bigben->hid = hid; + bigben->removed = false; error = hid_parse(hid); if (error) { @@ -341,10 +352,10 @@ static int bigben_probe(struct hid_device *hid, INIT_WORK(&bigben->worker, bigben_worker); - error = input_ff_create_memless(hidinput->input, bigben, + error = input_ff_create_memless(hidinput->input, NULL, hid_bigben_play_effect); if (error) - return error; + goto error_hw_stop; name_sz = strlen(dev_name(&hid->dev)) + strlen(":red:bigben#") + 1; @@ -354,8 +365,10 @@ static int bigben_probe(struct hid_device *hid, sizeof(struct led_classdev) + name_sz, GFP_KERNEL ); - if (!led) - return -ENOMEM; + if (!led) { + error = -ENOMEM; + goto error_hw_stop; + } name = (void *)(&led[1]); snprintf(name, name_sz, "%s:red:bigben%d", @@ -369,7 +382,7 @@ static int bigben_probe(struct hid_device *hid, bigben->leds[n] = led; error = devm_led_classdev_register(&hid->dev, led); if (error) - return error; + goto error_hw_stop; } /* initial state: LED1 is on, no rumble effect */ @@ -383,6 +396,10 @@ static int bigben_probe(struct hid_device *hid, hid_info(hid, "LED and force feedback support for BigBen gamepad\n"); return 0; + +error_hw_stop: + hid_hw_stop(hid); + return error; } static __u8 *bigben_report_fixup(struct hid_device *hid, __u8 *rdesc, |