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usb: dwc_otg_310: support vbus controlled by both gpio and pmic
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
hv
/
hv_util.c
diff --git
a/drivers/hv/hv_util.c
b/drivers/hv/hv_util.c
index 7994ec2e4151b085bbcb596d8ddbd4d8765b939e..41f5896224bd4723db7f87179c7466df423238a7 100644
(file)
--- a/
drivers/hv/hv_util.c
+++ b/
drivers/hv/hv_util.c
@@
-283,10
+283,14
@@
static void heartbeat_onchannelcallback(void *context)
u8 *hbeat_txf_buf = util_heartbeat.recv_buffer;
struct icmsg_negotiate *negop = NULL;
u8 *hbeat_txf_buf = util_heartbeat.recv_buffer;
struct icmsg_negotiate *negop = NULL;
- vmbus_recvpacket(channel, hbeat_txf_buf,
- PAGE_SIZE, &recvlen, &requestid);
+ while (1) {
+
+ vmbus_recvpacket(channel, hbeat_txf_buf,
+ PAGE_SIZE, &recvlen, &requestid);
+
+ if (!recvlen)
+ break;
- if (recvlen > 0) {
icmsghdrp = (struct icmsg_hdr *)&hbeat_txf_buf[
sizeof(struct vmbuspipe_hdr)];
icmsghdrp = (struct icmsg_hdr *)&hbeat_txf_buf[
sizeof(struct vmbuspipe_hdr)];