94 	struct spi_device	*spi;  member
113 static inline int dataflash_status(struct spi_device *spi)  in dataflash_status()  argument
118 	return spi_w8r8(spi, OP_READ_STATUS);  in dataflash_status()
125 static int dataflash_waitready(struct spi_device *spi)  in dataflash_waitready()  argument
130 		status = dataflash_status(spi);  in dataflash_waitready()
132 			dev_dbg(&spi->dev, "status %d?\n", status);  in dataflash_waitready()
151 	struct spi_device	*spi = priv->spi;  in dataflash_erase()  local
158 	dev_dbg(&spi->dev, "erase addr=0x%llx len 0x%llx\n",  in dataflash_erase()
192 		dev_dbg(&spi->dev, "ERASE %s: (%x) %x %x %x [%i]\n",  in dataflash_erase()
197 		status = spi_sync(spi, &msg);  in dataflash_erase()
198 		(void) dataflash_waitready(spi);  in dataflash_erase()
201 			dev_err(&spi->dev, "erase %x, err %d\n",  in dataflash_erase()
239 	dev_dbg(&priv->spi->dev, "read 0x%x..0x%x\n",  in dataflash_read()
248 	dev_dbg(&priv->spi->dev, "READ: (%x) %x %x %x\n",  in dataflash_read()
273 	status = spi_sync(priv->spi, &msg);  in dataflash_read()
280 		dev_dbg(&priv->spi->dev, "read %x..%x --> %d\n",  in dataflash_read()
297 	struct spi_device	*spi = priv->spi;  in dataflash_write()  local
306 	dev_dbg(&spi->dev, "write 0x%x..0x%x\n",  in dataflash_write()
324 		dev_dbg(&spi->dev, "write @ %i:%i len=%i\n",  in dataflash_write()
352 			dev_dbg(&spi->dev, "TRANSFER: (%x) %x %x %x\n",  in dataflash_write()
355 			status = spi_sync(spi, &msg);  in dataflash_write()
357 				dev_dbg(&spi->dev, "xfer %u -> %d\n",  in dataflash_write()
360 			(void) dataflash_waitready(priv->spi);  in dataflash_write()
370 		dev_dbg(&spi->dev, "PROGRAM: (%x) %x %x %x\n",  in dataflash_write()
376 		status = spi_sync(spi, &msg);  in dataflash_write()
379 			dev_dbg(&spi->dev, "pgm %u/%u -> %d\n",  in dataflash_write()
382 		(void) dataflash_waitready(priv->spi);  in dataflash_write()
394 		dev_dbg(&spi->dev, "COMPARE: (%x) %x %x %x\n",  in dataflash_write()
397 		status = spi_sync(spi, &msg);  in dataflash_write()
399 			dev_dbg(&spi->dev, "compare %u -> %d\n",  in dataflash_write()
402 		status = dataflash_waitready(priv->spi);  in dataflash_write()
406 			dev_err(&spi->dev, "compare page %u, err %d\n",  in dataflash_write()
450 static ssize_t otp_read(struct spi_device *spi, unsigned base,  in otp_read()  argument
483 	dataflash_waitready(spi);  in otp_read()
485 	status = spi_sync(spi, &m);  in otp_read()
503 	status = otp_read(priv->spi, 64, buf, from, len);  in dataflash_read_fact_otp()
520 	status = otp_read(priv->spi, 0, buf, from, len);  in dataflash_read_user_otp()
572 	dataflash_waitready(priv->spi);  in dataflash_write_user_otp()
573 	status = spi_sync(priv->spi, &m);  in dataflash_write_user_otp()
615 static int add_dataflash_otp(struct spi_device *spi, char *name, int nr_pages,  in add_dataflash_otp()  argument
620 	struct flash_platform_data	*pdata = dev_get_platdata(&spi->dev);  in add_dataflash_otp()
629 	priv->spi = spi;  in add_dataflash_otp()
635 			spi->master->bus_num, spi->chip_select,  in add_dataflash_otp()
650 	device->dev.parent = &spi->dev;  in add_dataflash_otp()
651 	mtd_set_of_node(device, spi->dev.of_node);  in add_dataflash_otp()
656 	dev_info(&spi->dev, "%s (%lld KBytes) pagesize %d bytes%s\n",  in add_dataflash_otp()
659 	spi_set_drvdata(spi, priv);  in add_dataflash_otp()
672 static inline int add_dataflash(struct spi_device *spi, char *name,  in add_dataflash()  argument
675 	return add_dataflash_otp(spi, name, nr_pages, pagesize,  in add_dataflash()
736 static struct flash_info *jedec_lookup(struct spi_device *spi,  in jedec_lookup()  argument
749 			dev_dbg(&spi->dev, "OTP, sector protect%s\n",  in jedec_lookup()
753 				status = dataflash_status(spi);  in jedec_lookup()
755 					dev_dbg(&spi->dev, "status error %d\n",  in jedec_lookup()
774 static struct flash_info *jedec_probe(struct spi_device *spi)  in jedec_probe()  argument
792 	ret = spi_write_then_read(spi, &code, 1, id, id_size);  in jedec_probe()
794 		dev_dbg(&spi->dev, "error %d reading JEDEC ID\n", ret);  in jedec_probe()
807 	info = jedec_lookup(spi, jedec >> DATAFLASH_SHIFT_EXTID, true);  in jedec_probe()
814 	info = jedec_lookup(spi, jedec >> DATAFLASH_SHIFT_ID, false);  in jedec_probe()
822 	dev_warn(&spi->dev, "JEDEC id %016llx not handled\n", jedec);  in jedec_probe()
840 static int dataflash_probe(struct spi_device *spi)  in dataflash_probe()  argument
852 	info = jedec_probe(spi);  in dataflash_probe()
856 		return add_dataflash_otp(spi, info->name, info->nr_pages,  in dataflash_probe()
864 	status = dataflash_status(spi);  in dataflash_probe()
866 		dev_dbg(&spi->dev, "status error %d\n", status);  in dataflash_probe()
878 		status = add_dataflash(spi, "AT45DB011B", 512, 264, 9);  in dataflash_probe()
881 		status = add_dataflash(spi, "AT45DB021B", 1024, 264, 9);  in dataflash_probe()
884 		status = add_dataflash(spi, "AT45DB041x", 2048, 264, 9);  in dataflash_probe()
887 		status = add_dataflash(spi, "AT45DB081B", 4096, 264, 9);  in dataflash_probe()
890 		status = add_dataflash(spi, "AT45DB161x", 4096, 528, 10);  in dataflash_probe()
893 		status = add_dataflash(spi, "AT45DB321x", 8192, 528, 10);  in dataflash_probe()
897 		status = add_dataflash(spi, "AT45DB642x", 8192, 1056, 11);  in dataflash_probe()
901 		dev_info(&spi->dev, "unsupported device (%x)\n",  in dataflash_probe()
907 		dev_dbg(&spi->dev, "add_dataflash --> %d\n", status);  in dataflash_probe()
912 static int dataflash_remove(struct spi_device *spi)  in dataflash_remove()  argument
914 	struct dataflash	*flash = spi_get_drvdata(spi);  in dataflash_remove()
917 	dev_dbg(&spi->dev, "remove\n");  in dataflash_remove()