78 static u32 sprd_mbox_get_fifo_len(struct sprd_mbox_priv *priv, u32 fifo_sts)  in sprd_mbox_get_fifo_len()  argument
80 	u32 wr_pos = (fifo_sts >> SPRD_OUTBOX_FIFO_WR_SHIFT) &  in sprd_mbox_get_fifo_len()
82 	u32 rd_pos = (fifo_sts >> SPRD_OUTBOX_FIFO_RD_SHIFT) &  in sprd_mbox_get_fifo_len()
91 		if (fifo_sts & SPRD_OUTBOX_FIFO_FULL)  in sprd_mbox_get_fifo_len()
107 	u32 fifo_sts, fifo_len, msg[2];  in do_outbox_isr()  local
110 	fifo_sts = readl(base + SPRD_MBOX_FIFO_STS);  in do_outbox_isr()
112 	fifo_len = sprd_mbox_get_fifo_len(priv, fifo_sts);  in do_outbox_isr()
158 	u32 fifo_sts, send_sts, busy, id;  in sprd_mbox_inbox_isr()  local
160 	fifo_sts = readl(priv->inbox_base + SPRD_MBOX_FIFO_STS);  in sprd_mbox_inbox_isr()
163 	send_sts = (fifo_sts & SPRD_INBOX_FIFO_DELIVER_MASK) >>  in sprd_mbox_inbox_isr()
180 		busy = fifo_sts & SPRD_INBOX_FIFO_BUSY_MASK;  in sprd_mbox_inbox_isr()
186 	writel(fifo_sts &  in sprd_mbox_inbox_isr()