diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/pl330.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 2e351f40fc4..dd74c2478c6 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1824,52 +1824,6 @@ static int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op) return ret; } -static int pl330_chan_status(void *ch_id, struct pl330_chanstatus *pstatus) -{ - struct pl330_thread *thrd = ch_id; - struct pl330_dmac *pl330; - struct pl330_info *pi; - void __iomem *regs; - int active; - u32 val; - - if (!pstatus || !thrd || thrd->free) - return -EINVAL; - - pl330 = thrd->dmac; - pi = pl330->pinfo; - regs = pi->base; - - /* The client should remove the DMAC and add again */ - if (pl330->state == DYING) - pstatus->dmac_halted = true; - else - pstatus->dmac_halted = false; - - val = readl(regs + FSC); - if (val & (1 << thrd->id)) - pstatus->faulting = true; - else - pstatus->faulting = false; - - active = thrd->req_running; - - if (active == -1) { - /* Indicate that the thread is not running */ - pstatus->top_req = NULL; - pstatus->wait_req = NULL; - } else { - pstatus->top_req = thrd->req[active].r; - pstatus->wait_req = !IS_FREE(&thrd->req[1 - active]) - ? thrd->req[1 - active].r : NULL; - } - - pstatus->src_addr = readl(regs + SA(thrd->id)); - pstatus->dst_addr = readl(regs + DA(thrd->id)); - - return 0; -} - /* Reserve an event */ static inline int _alloc_event(struct pl330_thread *thrd) { |