57 static struct mchp_otpc_packet *mchp_otpc_id_to_packet(struct mchp_otpc *otpc,  in mchp_otpc_id_to_packet()  argument
62 	if (id >= otpc->npackets)  in mchp_otpc_id_to_packet()
65 	list_for_each_entry(packet, &otpc->packets, list) {  in mchp_otpc_id_to_packet()
73 static int mchp_otpc_prepare_read(struct mchp_otpc *otpc,  in mchp_otpc_prepare_read()  argument
79 	tmp = readl_relaxed(otpc->base + MCHP_OTPC_MR);  in mchp_otpc_prepare_read()
82 	writel_relaxed(tmp, otpc->base + MCHP_OTPC_MR);  in mchp_otpc_prepare_read()
85 	tmp = readl_relaxed(otpc->base + MCHP_OTPC_CR);  in mchp_otpc_prepare_read()
87 	writel_relaxed(tmp, otpc->base + MCHP_OTPC_CR);  in mchp_otpc_prepare_read()
91 				 10000, 2000, false, otpc->base + MCHP_OTPC_SR);  in mchp_otpc_prepare_read()
149 	struct mchp_otpc *otpc = priv;  in mchp_otpc_read()  local
162 	packet = mchp_otpc_id_to_packet(otpc, off / 4);  in mchp_otpc_read()
168 		ret = mchp_otpc_prepare_read(otpc, offset);  in mchp_otpc_read()
173 		*buf++ = readl_relaxed(otpc->base + MCHP_OTPC_HR);  in mchp_otpc_read()
181 		writel_relaxed(0UL, otpc->base + MCHP_OTPC_AR);  in mchp_otpc_read()
183 			*buf++ = readl_relaxed(otpc->base + MCHP_OTPC_DR);  in mchp_otpc_read()
193 static int mchp_otpc_init_packets_list(struct mchp_otpc *otpc, u32 *size)  in mchp_otpc_init_packets_list()  argument
199 	INIT_LIST_HEAD(&otpc->packets);  in mchp_otpc_init_packets_list()
203 		ret = mchp_otpc_prepare_read(otpc, word_pos);  in mchp_otpc_init_packets_list()
207 		word = readl_relaxed(otpc->base + MCHP_OTPC_HR);  in mchp_otpc_init_packets_list()
212 		packet = devm_kzalloc(otpc->dev, sizeof(*packet), GFP_KERNEL);  in mchp_otpc_init_packets_list()
219 		list_add_tail(&packet->list, &otpc->packets);  in mchp_otpc_init_packets_list()
229 	otpc->npackets = npackets;  in mchp_otpc_init_packets_list()
246 	struct mchp_otpc *otpc;  in mchp_otpc_probe()  local
250 	otpc = devm_kzalloc(&pdev->dev, sizeof(*otpc), GFP_KERNEL);  in mchp_otpc_probe()
251 	if (!otpc)  in mchp_otpc_probe()
254 	otpc->base = devm_platform_ioremap_resource(pdev, 0);  in mchp_otpc_probe()
255 	if (IS_ERR(otpc->base))  in mchp_otpc_probe()
256 		return PTR_ERR(otpc->base);  in mchp_otpc_probe()
258 	otpc->dev = &pdev->dev;  in mchp_otpc_probe()
259 	ret = mchp_otpc_init_packets_list(otpc, &size);  in mchp_otpc_probe()
263 	mchp_nvmem_config.dev = otpc->dev;  in mchp_otpc_probe()
266 	mchp_nvmem_config.priv = otpc;  in mchp_otpc_probe()