61 static u8 sunxi_sid_read_byte(const struct sunxi_sid *sid,  in sunxi_sid_read_byte()  argument
66 	sid_key = ioread32be(sid->base + round_down(offset, 4));  in sunxi_sid_read_byte()
75 	struct sunxi_sid *sid = context;  in sunxi_sid_read()  local
79 	offset += sid->value_offset;  in sunxi_sid_read()
82 		*buf++ = sunxi_sid_read_byte(sid, offset++);  in sunxi_sid_read()
87 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()
106 		*out = readl(sid->base + SUN8I_SID_RDKEY);  in sun8i_sid_register_readout()
108 	writel(0, sid->base + SUN8I_SID_PRCTL);  in sun8i_sid_register_readout()
118 static int sun8i_sid_read_byte_by_reg(const struct sunxi_sid *sid,  in sun8i_sid_read_byte_by_reg()  argument
125 	ret = sun8i_sid_register_readout(sid, offset & ~0x03, &word);  in sun8i_sid_read_byte_by_reg()
138 	struct sunxi_sid *sid = context;  in sun8i_sid_read_by_reg()  local
143 		ret = sun8i_sid_read_byte_by_reg(sid, offset++, buf++);  in sun8i_sid_read_by_reg()
156 	struct sunxi_sid *sid;  in sunxi_sid_probe()  local
161 	sid = devm_kzalloc(dev, sizeof(*sid), GFP_KERNEL);  in sunxi_sid_probe()
162 	if (!sid)  in sunxi_sid_probe()
168 	sid->value_offset = cfg->value_offset;  in sunxi_sid_probe()
171 	sid->base = devm_ioremap_resource(dev, res);  in sunxi_sid_probe()
172 	if (IS_ERR(sid->base))  in sunxi_sid_probe()
173 		return PTR_ERR(sid->base);  in sunxi_sid_probe()
183 	econfig.priv = sid;  in sunxi_sid_probe()
195 		econfig.reg_read(sid, i, &randomness[i], 1);  in sunxi_sid_probe()