dma: 调用spin_lock_init，正确初始化dma的lock

2026-06-09 20:32:04 +09:00 · 2010-08-13 14:08:50 +08:00
parent b0dfc93dcb
commit b1c6d7270e
1 changed files with 1 additions and 0 deletions
--- a/arch/arm/mach-rk2818/dma.c
+++ b/arch/arm/mach-rk2818/dma.c
@@ -726,6 +726,7 @@ static int __init rk28_dma_init(void)
        rk2818_dma[i].residue = 0;
        rk2818_dma[i].length = 0;
        rk2818_dma[i].tasklet_flag = 0;
+		spin_lock_init(&rk2818_dma[i].lock);
 	}
    	
 	/* clear all interrupts */