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[Qemu-devel] [PATCH 1/1] dev-serial: report when data are ready to be re
From: |
Jean-Christophe PLAGNIOL-VILLARD |
Subject: |
[Qemu-devel] [PATCH 1/1] dev-serial: report when data are ready to be read |
Date: |
Thu, 18 Dec 2014 17:23:42 +0100 |
So we can pull it on software without IRQ support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <address@hidden>
---
hw/usb/dev-serial.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index 500fbb0..4c14126 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -321,6 +321,8 @@ static void usb_serial_handle_control(USBDevice *dev,
USBPacket *p,
case DeviceInVendor | FTDI_GET_MDM_ST:
data[0] = usb_get_modem_lines(s) | 1;
data[1] = 0;
+ if (s->recv_used)
+ data[1] |= FTDI_DR;
p->actual_length = 2;
break;
case DeviceOutVendor | FTDI_SET_EVENT_CHR:
--
2.1.3
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