ar71xx: add support for linux 4.4

[openwrt.git] / target / linux / ar71xx / patches-4.4 / 611-MIPS-ath79-wdt-timeout.patch

diff --git a/target/linux/ar71xx/patches-4.4/611-MIPS-ath79-wdt-timeout.patch b/target/linux/ar71xx/patches-4.4/611-MIPS-ath79-wdt-timeout.patch
new file mode 100644 (file)
index 0000000..7a70ac3
--- /dev/null
+++ b/target/linux/ar71xx/patches-4.4/611-MIPS-ath79-wdt-timeout.patch
@@ -0,0 +1,25 @@
+MIPS: ath79: fix maximum timeout
+
+If the userland tries to set a timeout higher than the max_timeout, then we should fallback to max_timeout.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+
+--- a/drivers/watchdog/ath79_wdt.c
++++ b/drivers/watchdog/ath79_wdt.c
+@@ -114,10 +114,14 @@ static inline void ath79_wdt_disable(voi
+ 
+ static int ath79_wdt_set_timeout(int val)
+ {
+-      if (val < 1 || val > max_timeout)
++      if (val < 1)
+               return -EINVAL;
+ 
+-      timeout = val;
++      if (val > max_timeout)
++              timeout = max_timeout;
++      else
++              timeout = val;
++
+       ath79_wdt_keepalive();
+ 
+       return 0;