62 static u8 sunxi_sid_read_byte(const struct sunxi_sid *sid,  in sunxi_sid_read_byte()  argument
67 	sid_key = ioread32be(sid->base + round_down(offset, 4));  in sunxi_sid_read_byte()
76 	struct sunxi_sid *sid = context;  in sunxi_sid_read()  local
80 	offset += sid->value_offset;  in sunxi_sid_read()
83 		*buf++ = sunxi_sid_read_byte(sid, offset++);  in sunxi_sid_read()
88 static int sun8i_sid_register_readout(const struct sunxi_sid *sid,  in sun8i_sid_register_readout()  argument
98 	writel(reg_val, sid->base + SUN8I_SID_PRCTL);  in sun8i_sid_register_readout()
100 	ret = readl_poll_timeout(sid->base + SUN8I_SID_PRCTL, reg_val,  in sun8i_sid_register_readout()
105 	writel(0, sid->base + SUN8I_SID_PRCTL);  in sun8i_sid_register_readout()
114 	struct sunxi_sid *sid;  in sunxi_sid_probe()  local
119 	sid = devm_kzalloc(dev, sizeof(*sid), GFP_KERNEL);  in sunxi_sid_probe()
120 	if (!sid)  in sunxi_sid_probe()
126 	sid->value_offset = cfg->value_offset;  in sunxi_sid_probe()
129 	sid->base = devm_ioremap_resource(dev, res);  in sunxi_sid_probe()
130 	if (IS_ERR(sid->base))  in sunxi_sid_probe()
131 		return PTR_ERR(sid->base);  in sunxi_sid_probe()
146 			ret = sun8i_sid_register_readout(sid, i);  in sunxi_sid_probe()
155 	econfig.priv = sid;  in sunxi_sid_probe()
167 		randomness[i] = sunxi_sid_read_byte(sid, i);  in sunxi_sid_probe()