generic: 5.15: backport bcm63xx wdt patch fixing fallthrough warning

Backport patch present upstream fixing error for bcm63xx:
drivers/watchdog/bcm63xx_wdt.c: In function 'bcm63xx_wdt_ioctl':
drivers/watchdog/bcm63xx_wdt.c:208:17: error: this statement may fall through [-Werror=implicit-fallthrough=]
  208 |                 bcm63xx_wdt_pet();
      |                 ^~~~~~~~~~~~~~~~~
drivers/watchdog/bcm63xx_wdt.c:210:9: note: here
  210 |         case WDIOC_GETTIMEOUT:
      |         ^~~~
cc1: all warnings being treated as errors

Signed-off-by: Christian Marangi <[email protected]>

diff --git a/target/linux/generic/backport-5.15/302-v5.16-watchdog-bcm63xx_wdt-fix-fallthrough-warning.patch b/target/linux/generic/backport-5.15/302-v5.16-watchdog-bcm63xx_wdt-fix-fallthrough-warning.patch
new file mode 100644 (file)
index 0000000..84ae5a7
--- /dev/null
+++ b/target/linux/generic/backport-5.15/302-v5.16-watchdog-bcm63xx_wdt-fix-fallthrough-warning.patch
@@ -0,0 +1,33 @@
+From ee1a0696934a8b77a6a2098f92832c46d34ec5da Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
+Date: Wed, 27 Oct 2021 14:31:35 +0200
+Subject: [PATCH] watchdog: bcm63xx_wdt: fix fallthrough warning
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This fixes:
+drivers/watchdog/bcm63xx_wdt.c: In function 'bcm63xx_wdt_ioctl':
+drivers/watchdog/bcm63xx_wdt.c:208:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
+
+Signed-off-by: Rafał Miłecki <[email protected]>
+Reviewed-by: Florian Fainelli <[email protected]>
+Reviewed-by: Guenter Roeck <[email protected]>
+Link: https://lore.kernel.org/r/[email protected]
+Signed-off-by: Guenter Roeck <[email protected]>
+Signed-off-by: Wim Van Sebroeck <[email protected]>
+---
+ drivers/watchdog/bcm63xx_wdt.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/watchdog/bcm63xx_wdt.c
++++ b/drivers/watchdog/bcm63xx_wdt.c
+@@ -207,6 +207,8 @@ static long bcm63xx_wdt_ioctl(struct fil
+ 
+               bcm63xx_wdt_pet();
+ 
++              fallthrough;
++
+       case WDIOC_GETTIMEOUT:
+               return put_user(wdt_time, p);
+