From 8167c1f071426706c233e93ecfd13aba7d5c06c8 Mon Sep 17 00:00:00 2001 From: Rosen Penev Date: Sun, 27 Sep 2026 13:35:01 -0700 Subject: tty: serial: mpc52xx_uart: move static declarations up. Avoid a compilation error so that they're not used before being declared. Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/ Signed-off-by: Rosen Penev Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com Signed-off-by: Greg Kroah-Hartman --- include/asm-generic/mcs_spinlock.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 include/asm-generic/mcs_spinlock.h (limited to 'include/asm-generic/mcs_spinlock.h') diff --git a/include/asm-generic/mcs_spinlock.h b/include/asm-generic/mcs_spinlock.h new file mode 100644 index 000000000..39c94012b --- /dev/null +++ b/include/asm-generic/mcs_spinlock.h @@ -0,0 +1,19 @@ +#ifndef __ASM_MCS_SPINLOCK_H +#define __ASM_MCS_SPINLOCK_H + +struct mcs_spinlock { + struct mcs_spinlock *next; + int locked; /* 1 if lock acquired */ + int count; /* nesting count, see qspinlock.c */ +}; + +/* + * Architectures can define their own: + * + * arch_mcs_spin_lock_contended(l) + * arch_mcs_spin_unlock_contended(l) + * + * See kernel/locking/mcs_spinlock.c. + */ + +#endif /* __ASM_MCS_SPINLOCK_H */ -- cgit v1.3.1