From d50730b4d6cefd1a5bcda0ab2ff2f7e90306d18f Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Oct 2018 10:52:52 -0700 Subject: sparc: Fix parport build warnings. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 46b8306480fb424abd525acc1763da1c63a27d8a ] If PARPORT_PC_FIFO is not enabled, do not provide the dma lock macros and lock definition. Otherwise: ./arch/sparc/include/asm/parport.h:24:24: warning: ‘dma_spin_lock’ defined but not used [-Wunused-variable] static DEFINE_SPINLOCK(dma_spin_lock); ^~~~~~~~~~~~~ ./include/linux/spinlock_types.h:81:39: note: in definition of macro ‘DEFINE_SPINLOCK’ #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- arch/sparc/include/asm/parport.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/sparc') diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index 05df5f043053..3c5a1c620f0f 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -21,6 +21,7 @@ */ #define HAS_DMA +#ifdef CONFIG_PARPORT_PC_FIFO static DEFINE_SPINLOCK(dma_spin_lock); #define claim_dma_lock() \ @@ -31,6 +32,7 @@ static DEFINE_SPINLOCK(dma_spin_lock); #define release_dma_lock(__flags) \ spin_unlock_irqrestore(&dma_spin_lock, __flags); +#endif static struct sparc_ebus_info { struct ebus_dma_info info; -- cgit v1.2.3