38 	u32		signature; /* Ox50444653U <=> "SFDP" */
172  * @addr:	offset in the SFDP area to start reading data from
174  * @buf:	buffer where the SFDP data are copied into (dma-safe memory)
177  * for (Fast) Read commands, the Read SFDP (5Ah) instruction is always
208  * @addr:	offset in the SFDP area to start reading data from
210  * @buf:	buffer where the SFDP data are copied into
321  * synchronize with the supported Erase Types defined in SFDP optional tables.
415  * defined by the SFDP (JESD216) specification.
1037 		 * SFDP table that indicates support for Page Program Commands.  in spi_nor_parse_4bait()
1083 	/* 4BAIT is the only SFDP table that indicates page program support. */  in spi_nor_parse_4bait()
1116 	 * SFDP compliant memories.  in spi_nor_parse_4bait()
1331  * after SFDP has been parsed. Called only for flashes that define JESD216 SFDP
1335  * Used to tweak various flash parameters when information provided by the SFDP
1356  * spi_nor_check_sfdp_signature() - check for a valid SFDP signature
1360  * presence of a valid SFDP table.
1369 	/* Get the SFDP header. */  in spi_nor_check_sfdp_signature()
1375 	/* Check the SFDP signature. */  in spi_nor_check_sfdp_signature()
1400 	struct sfdp *sfdp;  in spi_nor_parse_sfdp()  local
1405 	/* Get the SFDP header. */  in spi_nor_parse_sfdp()
1410 	/* Check the SFDP header version. */  in spi_nor_parse_sfdp()
1429 	 * Read SFDP command. These parameter headers will actually be parsed  in spi_nor_parse_sfdp()
1448 			dev_dbg(dev, "failed to read SFDP parameter headers\n");  in spi_nor_parse_sfdp()
1454 	 * Cache the complete SFDP data. It is not (easily) possible to fetch  in spi_nor_parse_sfdp()
1455 	 * SFDP after probe time and we need it for the sysfs access.  in spi_nor_parse_sfdp()
1469 		dev_dbg(dev, "SFDP data (%zu) too big, truncating\n",  in spi_nor_parse_sfdp()
1474 	sfdp = devm_kzalloc(dev, sizeof(*sfdp), GFP_KERNEL);  in spi_nor_parse_sfdp()
1475 	if (!sfdp) {  in spi_nor_parse_sfdp()
1481 	 * The SFDP is organized in chunks of DWORDs. Thus, in theory, the  in spi_nor_parse_sfdp()
1484 	 * the complete SFDP data.  in spi_nor_parse_sfdp()
1486 	sfdp->num_dwords = DIV_ROUND_UP(sfdp_size, sizeof(*sfdp->dwords));  in spi_nor_parse_sfdp()
1487 	sfdp->dwords = devm_kcalloc(dev, sfdp->num_dwords,  in spi_nor_parse_sfdp()
1488 				    sizeof(*sfdp->dwords), GFP_KERNEL);  in spi_nor_parse_sfdp()
1489 	if (!sfdp->dwords) {  in spi_nor_parse_sfdp()
1491 		devm_kfree(dev, sfdp);  in spi_nor_parse_sfdp()
1495 	err = spi_nor_read_sfdp(nor, 0, sfdp_size, sfdp->dwords);  in spi_nor_parse_sfdp()
1497 		dev_dbg(dev, "failed to read SFDP data\n");  in spi_nor_parse_sfdp()
1498 		devm_kfree(dev, sfdp->dwords);  in spi_nor_parse_sfdp()
1499 		devm_kfree(dev, sfdp);  in spi_nor_parse_sfdp()
1503 	nor->sfdp = sfdp;  in spi_nor_parse_sfdp()