7 #include <linux/mtd/spi-nor.h>
16 static int sst26vf_nor_lock(struct spi_nor *nor, loff_t ofs, u64 len)  in sst26vf_nor_lock()  argument
21 static int sst26vf_nor_unlock(struct spi_nor *nor, loff_t ofs, u64 len)  in sst26vf_nor_unlock()  argument
26 	if (ofs != 0 || len != nor->params->size)  in sst26vf_nor_unlock()
29 	ret = spi_nor_read_cr(nor, nor->bouncebuf);  in sst26vf_nor_unlock()
33 	if (!(nor->bouncebuf[0] & SST26VF_CR_BPNV)) {  in sst26vf_nor_unlock()
34 		dev_dbg(nor->dev, "Any block has been permanently locked\n");  in sst26vf_nor_unlock()
38 	return spi_nor_global_block_unlock(nor);  in sst26vf_nor_unlock()
41 static int sst26vf_nor_is_locked(struct spi_nor *nor, loff_t ofs, u64 len)  in sst26vf_nor_is_locked()  argument
52 static int sst26vf_nor_late_init(struct spi_nor *nor)  in sst26vf_nor_late_init()  argument
54 	nor->params->locking_ops = &sst26vf_nor_locking_ops;  in sst26vf_nor_late_init()
173 	struct spi_nor *nor = mtd_to_spi_nor(mtd);  in sst_nor_write()  local
177 	dev_dbg(nor->dev, "to 0x%08x, len %zd\n", (u32)to, len);  in sst_nor_write()
179 	ret = spi_nor_prep_and_lock(nor);  in sst_nor_write()
183 	ret = spi_nor_write_enable(nor);  in sst_nor_write()
187 	nor->sst_write_second = false;  in sst_nor_write()
191 		nor->program_opcode = SPINOR_OP_BP;  in sst_nor_write()
194 		ret = spi_nor_write_data(nor, to, 1, buf);  in sst_nor_write()
198 		ret = spi_nor_wait_till_ready(nor);  in sst_nor_write()
208 		nor->program_opcode = SPINOR_OP_AAI_WP;  in sst_nor_write()
211 		ret = spi_nor_write_data(nor, to, 2, buf + actual);  in sst_nor_write()
215 		ret = spi_nor_wait_till_ready(nor);  in sst_nor_write()
219 		nor->sst_write_second = true;  in sst_nor_write()
221 	nor->sst_write_second = false;  in sst_nor_write()
223 	ret = spi_nor_write_disable(nor);  in sst_nor_write()
227 	ret = spi_nor_wait_till_ready(nor);  in sst_nor_write()
233 		ret = spi_nor_write_enable(nor);  in sst_nor_write()
237 		nor->program_opcode = SPINOR_OP_BP;  in sst_nor_write()
238 		ret = spi_nor_write_data(nor, to, 1, buf + actual);  in sst_nor_write()
242 		ret = spi_nor_wait_till_ready(nor);  in sst_nor_write()
248 		ret = spi_nor_write_disable(nor);  in sst_nor_write()
252 	spi_nor_unlock_and_unprep(nor);  in sst_nor_write()
256 static int sst_nor_late_init(struct spi_nor *nor)  in sst_nor_late_init()  argument
258 	if (nor->info->mfr_flags & SST_WRITE)  in sst_nor_late_init()
259 		nor->mtd._write = sst_nor_write;  in sst_nor_late_init()