issue_lock 210 drivers/dma/mic_x100_dma.c spin_lock(&mic_ch->issue_lock); issue_lock 228 drivers/dma/mic_x100_dma.c spin_unlock(&mic_ch->issue_lock); issue_lock 545 drivers/dma/mic_x100_dma.c spin_lock_init(&ch->issue_lock); issue_lock 116 drivers/dma/mic_x100_dma.h spinlock_t issue_lock;