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Commit b06db6e5 authored by Boojin Kim's avatar Boojin Kim Committed by Vinod Koul
Browse files

DMA: PL330: Removes useless function 



Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarBoojin Kim <boojin.kim@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
Acked-by: default avatarJassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
parent b7d861d9

drivers/dma/pl330.c

+0 −46
Original line number Diff line number Diff line
@@ -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)

{