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authorÁlvaro Fernández Rojas <noltari@gmail.com>2019-07-09 20:32:28 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2019-07-14 12:44:14 +0200
commit42954857190b9df16d9d873ecc7f6cc38e013e44 (patch)
tree98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
parentf1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff)
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brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709) Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch b/target/linux/brcm2708/patches-4.19/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
new file mode 100644
index 0000000000..e222700bce
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0095-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
@@ -0,0 +1,23 @@
+From 04398740be915fbbbc794b3b34aa36d11a85a0ab Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 17 Dec 2015 13:37:07 +0000
+Subject: [PATCH 095/703] 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
+@@ -352,7 +352,8 @@ 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);