diff options
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/066-rt2800-do-not-enable-watchdog-by-default.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/066-rt2800-do-not-enable-watchdog-by-default.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/066-rt2800-do-not-enable-watchdog-by-default.patch b/package/kernel/mac80211/patches/rt2x00/066-rt2800-do-not-enable-watchdog-by-default.patch new file mode 100644 index 0000000000..37e03dbb52 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/066-rt2800-do-not-enable-watchdog-by-default.patch @@ -0,0 +1,71 @@ +From 0f47aeeada2a1fe296258eab9a08ced258009481 Mon Sep 17 00:00:00 2001 +From: Stanislaw Gruszka <sgruszka@redhat.com> +Date: Sat, 15 Jun 2019 12:01:00 +0200 +Subject: [PATCH 07/15] rt2800: do not enable watchdog by default + +Make watchdog disabled by default and add module parameter to enable it. + +User will have to create file in /etc/modprobe.d/ with + +options rt2800lib watchdog=1 + +to enable the watchdog or load "rt2800lib watchdog=1" module manually +before loading rt2800{soc,pci,usb} module. + +Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 12 ++++++++++-- + drivers/net/wireless/ralink/rt2x00/rt2x00.h | 1 + + drivers/net/wireless/ralink/rt2x00/rt2x00link.c | 2 +- + 3 files changed, 12 insertions(+), 3 deletions(-) + +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -41,6 +41,10 @@ + #include "rt2800lib.h" + #include "rt2800.h" + ++static bool modparam_watchdog; ++module_param_named(watchdog, modparam_watchdog, bool, S_IRUGO); ++MODULE_PARM_DESC(watchdog, "Enable watchdog to detect tx/rx hangs and reset hardware if detected"); ++ + /* + * Register access. + * All access to the CSR registers will go through the methods +@@ -10297,8 +10301,12 @@ int rt2800_probe_hw(struct rt2x00_dev *r + __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags); + } + +- __set_bit(CAPABILITY_RESTART_HW, &rt2x00dev->cap_flags); +- rt2x00dev->link.watchdog_interval = msecs_to_jiffies(100); ++ if (modparam_watchdog) { ++ __set_bit(CAPABILITY_RESTART_HW, &rt2x00dev->cap_flags); ++ rt2x00dev->link.watchdog_interval = msecs_to_jiffies(100); ++ } else { ++ rt2x00dev->link.watchdog_disabled = true; ++ } + + /* + * Set the rssi offset. +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h +@@ -337,6 +337,7 @@ struct link { + */ + struct delayed_work watchdog_work; + unsigned int watchdog_interval; ++ bool watchdog_disabled; + + /* + * Work structure for scheduling periodic AGC adjustments. +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00link.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00link.c +@@ -395,7 +395,7 @@ void rt2x00link_start_watchdog(struct rt + struct link *link = &rt2x00dev->link; + + if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) && +- rt2x00dev->ops->lib->watchdog) ++ rt2x00dev->ops->lib->watchdog && !link->watchdog_disabled) + ieee80211_queue_delayed_work(rt2x00dev->hw, + &link->watchdog_work, + link->watchdog_interval); |