include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'linflex_console_write' - unexpected unlock

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c
commit: 09864c1cdf5c537bd01bff45181406e422ea988c tty: serial: Add linflexuart driver for S32V234
date:   4 weeks ago
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-rc1-37-gd466a02-dirty
        git checkout 09864c1cdf5c537bd01bff45181406e422ea988c
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)

>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'linflex_console_write' - unexpected unlock

vim +/linflex_console_write +393 include/linux/spinlock.h

c2f21ce2e31286 Thomas Gleixner 2009-12-02  390  
3490565b633c70 Denys Vlasenko  2015-07-13  391  static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
c2f21ce2e31286 Thomas Gleixner 2009-12-02  392  {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @393  	raw_spin_unlock_irqrestore(&lock->rlock, flags);
c2f21ce2e31286 Thomas Gleixner 2009-12-02  394  }
c2f21ce2e31286 Thomas Gleixner 2009-12-02  395  

:::::: The code at line 393 was first introduced by commit
:::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock

:::::: TO: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
:::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

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