brcm2708: add kernel 4.14 support

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.14 / 950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch

diff --git a/target/linux/brcm2708/patches-4.14/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch b/target/linux/brcm2708/patches-4.14/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
new file mode 100644 (file)
index 0000000..8b948d9
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
@@ -0,0 +1,23 @@
+From 115d7cec13b86bf47000bfb383086203ee980fcf Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 17 Dec 2015 13:37:07 +0000
+Subject: [PATCH 095/454] hci_h5: Don't send conf_req when ACTIVE
+
+Without this patch, a modem and kernel can continuously bombard each
+other with conf_req and conf_rsp messages, in a demented game of tag.
+---
+ drivers/bluetooth/hci_h5.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/bluetooth/hci_h5.c
++++ b/drivers/bluetooth/hci_h5.c
+@@ -308,7 +308,8 @@ static void h5_handle_internal_rx(struct
+               h5_link_control(hu, conf_req, 3);
+       } else if (memcmp(data, conf_req, 2) == 0) {
+               h5_link_control(hu, conf_rsp, 2);
+-              h5_link_control(hu, conf_req, 3);
++              if (h5->state != H5_ACTIVE)
++                  h5_link_control(hu, conf_req, 3);
+       } else if (memcmp(data, conf_rsp, 2) == 0) {
+               if (H5_HDR_LEN(hdr) > 2)
+                       h5->tx_win = (data[2] & 0x07);