From 98fab4c163adb980568afa40824208edbcd6d70c Mon Sep 17 00:00:00 2001 From: Peng Hao Date: Wed, 12 Jul 2017 23:41:59 +0800 Subject: chardev: fix parallel device can't be reconnect Parallel device don't register be->chr_can_read function, but remote disconnect event is handled in chr_read.So connected parallel device can not detect remote disconnect event. The chardevs with chr_can_read=NULL has the same problem. Signed-off-by: Peng Hao Reviewed-by: Wang Yechao Reviewed-by: Jiang Biao Message-Id: <1499874119-67558-1-git-send-email-peng.hao2@zte.com.cn> Signed-off-by: Paolo Bonzini --- hw/char/parallel.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'hw/char') diff --git a/hw/char/parallel.c b/hw/char/parallel.c index 055789f..f79dc76 100644 --- a/hw/char/parallel.c +++ b/hw/char/parallel.c @@ -503,6 +503,10 @@ static const VMStateDescription vmstate_parallel_isa = { } }; +static int parallel_can_receive(void *opaque) +{ + return 1; +} static void parallel_isa_realizefn(DeviceState *dev, Error **errp) { @@ -535,6 +539,8 @@ static void parallel_isa_realizefn(DeviceState *dev, Error **errp) isa_init_irq(isadev, &s->irq, isa->isairq); qemu_register_reset(parallel_reset, s); + qemu_chr_fe_set_handlers(&s->chr, parallel_can_receive, NULL, + NULL, NULL, s, NULL, true); if (qemu_chr_fe_ioctl(&s->chr, CHR_IOCTL_PP_READ_STATUS, &dummy) == 0) { s->hw_driver = 1; s->status = dummy; -- cgit v1.1