diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 14:42:03 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 14:42:03 +0000 |
| commit | d0fa9250317ff6e92a1397ebf7cf4d83014f38a6 (patch) | |
| tree | 34735aae3a17aad235f7acc1b45fe96fba965750 /drivers/input/serio | |
| parent | 46d6b7becb1d5a8e697db786590c19e4067a975a (diff) | |
| parent | 54e19d34011fea26d39aa74781131de0ce642a01 (diff) | |
| download | linux-d0fa9250317ff6e92a1397ebf7cf4d83014f38a6.tar.gz | |
Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V updates from Sasha Levin: - Most of the commits here are work to enable host-initiated hibernation support by Dexuan Cui. - Fix for a warning shown when host sends non-aligned balloon requests by Tianyu Lan. * tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: hv_utils: Add the support of hibernation hv_utils: Support host-initiated hibernation request hv_utils: Support host-initiated restart request Tools: hv: Reopen the devices if read() or write() returns errors video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs. Drivers: hv: vmbus: Ignore CHANNELMSG_TL_CONNECT_RESULT(23) video: hyperv_fb: Fix hibernation for the deferred IO feature Input: hyperv-keyboard: Add the support of hibernation hv_balloon: Balloon up according to request page number
Diffstat (limited to 'drivers/input/serio')
| -rw-r--r-- | drivers/input/serio/hyperv-keyboard.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-keyboard.c index e486a8a74c40..df4e9f6f4529 100644 --- a/drivers/input/serio/hyperv-keyboard.c +++ b/drivers/input/serio/hyperv-keyboard.c @@ -259,6 +259,8 @@ static int hv_kbd_connect_to_vsp(struct hv_device *hv_dev) u32 proto_status; int error; + reinit_completion(&kbd_dev->wait_event); + request = &kbd_dev->protocol_req; memset(request, 0, sizeof(struct synth_kbd_protocol_request)); request->header.type = __cpu_to_le32(SYNTH_KBD_PROTOCOL_REQUEST); @@ -380,6 +382,29 @@ static int hv_kbd_remove(struct hv_device *hv_dev) return 0; } +static int hv_kbd_suspend(struct hv_device *hv_dev) +{ + vmbus_close(hv_dev->channel); + + return 0; +} + +static int hv_kbd_resume(struct hv_device *hv_dev) +{ + int ret; + + ret = vmbus_open(hv_dev->channel, + KBD_VSC_SEND_RING_BUFFER_SIZE, + KBD_VSC_RECV_RING_BUFFER_SIZE, + NULL, 0, + hv_kbd_on_channel_callback, + hv_dev); + if (ret == 0) + ret = hv_kbd_connect_to_vsp(hv_dev); + + return ret; +} + static const struct hv_vmbus_device_id id_table[] = { /* Keyboard guid */ { HV_KBD_GUID, }, @@ -393,6 +418,8 @@ static struct hv_driver hv_kbd_drv = { .id_table = id_table, .probe = hv_kbd_probe, .remove = hv_kbd_remove, + .suspend = hv_kbd_suspend, + .resume = hv_kbd_resume, .driver = { .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, |