../drivers/net/dsa/yt921x.c:2683:6: warning: variable 'mask' set but not used [-Wunused-but-set-variable]
 2683 |         u32 mask;
      |             ^
../drivers/net/dsa/yt921x.c:2733:2: warning: variable 'ctrl' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
 2733 |         default:
      |         ^~~~~~~
../drivers/net/dsa/yt921x.c:2744:2: note: uninitialized use occurs here
 2744 |         ctrl |= YT921X_PORT_LINK | YT921X_PORT_RX_MAC_EN |
      |         ^~~~
../drivers/net/dsa/yt921x.c:2714:10: note: initialize the variable 'ctrl' to silence this warning
 2714 |         u32 ctrl;
      |                 ^
      |                  = 0
../drivers/net/dsa/yt921x.c:2865:3: warning: variable 'ctrl' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
 2865 |                 default:
      |                 ^~~~~~~
../drivers/net/dsa/yt921x.c:2870:17: note: uninitialized use occurs here
 2870 |                                              mask, ctrl);
      |                                                    ^~~~
../drivers/net/dsa/yt921x.c:2824:10: note: initialize the variable 'ctrl' to silence this warning
 2824 |         u32 ctrl;
      |                 ^
      |                  = 0
3 warnings generated.
../drivers/net/dsa/yt921x.c:2683:6: warning: variable 'mask' set but not used [-Wunused-but-set-variable]
 2683 |         u32 mask;
      |             ^
../drivers/net/dsa/yt921x.c:2733:2: warning: variable 'ctrl' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
 2733 |         default:
      |         ^~~~~~~
../drivers/net/dsa/yt921x.c:2744:2: note: uninitialized use occurs here
 2744 |         ctrl |= YT921X_PORT_LINK | YT921X_PORT_RX_MAC_EN |
      |         ^~~~
../drivers/net/dsa/yt921x.c:2714:10: note: initialize the variable 'ctrl' to silence this warning
 2714 |         u32 ctrl;
      |                 ^
      |                  = 0
../drivers/net/dsa/yt921x.c:2865:3: warning: variable 'ctrl' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
 2865 |                 default:
      |                 ^~~~~~~
../drivers/net/dsa/yt921x.c:2870:17: note: uninitialized use occurs here
 2870 |                                              mask, ctrl);
      |                                                    ^~~~
../drivers/net/dsa/yt921x.c:2824:10: note: initialize the variable 'ctrl' to silence this warning
 2824 |         u32 ctrl;
      |                 ^
      |                  = 0
3 warnings generated.
New errors added
--- /tmp/tmp.nuoLqMrOtI	2025-08-23 18:41:10.569580434 -0700
+++ /tmp/tmp.5J9amB3AdD	2025-08-23 18:45:18.730238827 -0700
@@ -0,0 +1,24 @@
+../drivers/net/dsa/yt921x.c:2683:6: warning: variable 'mask' set but not used [-Wunused-but-set-variable]
+ 2683 |         u32 mask;
+      |             ^
+../drivers/net/dsa/yt921x.c:2733:2: warning: variable 'ctrl' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
+ 2733 |         default:
+      |         ^~~~~~~
+../drivers/net/dsa/yt921x.c:2744:2: note: uninitialized use occurs here
+ 2744 |         ctrl |= YT921X_PORT_LINK | YT921X_PORT_RX_MAC_EN |
+      |         ^~~~
+../drivers/net/dsa/yt921x.c:2714:10: note: initialize the variable 'ctrl' to silence this warning
+ 2714 |         u32 ctrl;
+      |                 ^
+      |                  = 0
+../drivers/net/dsa/yt921x.c:2865:3: warning: variable 'ctrl' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
+ 2865 |                 default:
+      |                 ^~~~~~~
+../drivers/net/dsa/yt921x.c:2870:17: note: uninitialized use occurs here
+ 2870 |                                              mask, ctrl);
+      |                                                    ^~~~
+../drivers/net/dsa/yt921x.c:2824:10: note: initialize the variable 'ctrl' to silence this warning
+ 2824 |         u32 ctrl;
+      |                 ^
+      |                  = 0
+3 warnings generated.
Per-file breakdown
--- /tmp/tmp.RzDFn3QrQu	2025-08-23 18:48:46.357574084 -0700
+++ /tmp/tmp.XHetaoGtey	2025-08-23 18:48:46.360574064 -0700
@@ -0,0 +1 @@
+      5 ../drivers/net/dsa/yt921x.c