+++ /dev/null
---- a/drivers/mtd/spi-nor/spi-nor.c
-+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -28,6 +28,8 @@
-
- #define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16)
-
-+static const struct spi_device_id *spi_nor_match_id(const char *name);
-+
- /*
- * Read the status register, returning its value in the location
- * Return the status register value.
-@@ -473,7 +475,7 @@ struct flash_info {
- * more nor chips. This current list focusses on newer chips, which
- * have been converging on command sets which including JEDEC ID.
- */
--const struct spi_device_id spi_nor_ids[] = {
-+static const struct spi_device_id spi_nor_ids[] = {
- /* Atmel -- some are (confusingly) marketed as "DataFlash" */
- { "at25fs010", INFO(0x1f6601, 0, 32 * 1024, 4, SECT_4K) },
- { "at25fs040", INFO(0x1f6604, 0, 64 * 1024, 8, SECT_4K) },
-@@ -611,6 +613,7 @@ const struct spi_device_id spi_nor_ids[]
- { "m25px32-s0", INFO(0x207316, 0, 64 * 1024, 64, SECT_4K) },
- { "m25px32-s1", INFO(0x206316, 0, 64 * 1024, 64, SECT_4K) },
- { "m25px64", INFO(0x207117, 0, 64 * 1024, 128, 0) },
-+ { "m25px80", INFO(0x207114, 0, 64 * 1024, 16, 0) },
-
- /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
- { "w25x10", INFO(0xef3011, 0, 64 * 1024, 2, SECT_4K) },
-@@ -623,7 +626,6 @@ const struct spi_device_id spi_nor_ids[]
- { "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64, SECT_4K) },
- { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
- { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
-- { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
- { "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
- { "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
- { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
-@@ -637,7 +639,6 @@ const struct spi_device_id spi_nor_ids[]
- { "cat25128", CAT25_INFO(2048, 8, 64, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
- { },
- };
--EXPORT_SYMBOL_GPL(spi_nor_ids);
-
- static const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor)
- {
-@@ -671,11 +672,6 @@ static const struct spi_device_id *spi_n
- return ERR_PTR(-ENODEV);
- }
-
--static const struct spi_device_id *jedec_probe(struct spi_nor *nor)
--{
-- return nor->read_id(nor);
--}
--
- static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char *buf)
- {
-@@ -916,11 +912,10 @@ static int spi_nor_check(struct spi_nor
- return 0;
- }
-
--int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
-- enum read_mode mode)
-+int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
- {
-+ const struct spi_device_id *id = NULL;
- struct flash_info *info;
-- struct flash_platform_data *data;
- struct device *dev = nor->dev;
- struct mtd_info *mtd = nor->mtd;
- struct device_node *np = dev->of_node;
-@@ -931,34 +926,16 @@ int spi_nor_scan(struct spi_nor *nor, co
- if (ret)
- return ret;
-
-- /* Platform data helps sort out which chip type we have, as
-- * well as how this board partitions it. If we don't have
-- * a chip ID, try the JEDEC id commands; they'll work for most
-- * newer chips, even if we don't recognize the particular chip.
-- */
-- data = dev_get_platdata(dev);
-- if (data && data->type) {
-- const struct spi_device_id *plat_id;
--
-- for (i = 0; i < ARRAY_SIZE(spi_nor_ids) - 1; i++) {
-- plat_id = &spi_nor_ids[i];
-- if (strcmp(data->type, plat_id->name))
-- continue;
-- break;
-- }
--
-- if (i < ARRAY_SIZE(spi_nor_ids) - 1)
-- id = plat_id;
-- else
-- dev_warn(dev, "unrecognized id %s\n", data->type);
-- }
-+ id = spi_nor_match_id(name);
-+ if (!id)
-+ return -ENOENT;
-
- info = (void *)id->driver_data;
-
- if (info->jedec_id) {
- const struct spi_device_id *jid;
-
-- jid = jedec_probe(nor);
-+ jid = nor->read_id(nor);
- if (IS_ERR(jid)) {
- return PTR_ERR(jid);
- } else if (jid != id) {
-@@ -990,11 +967,8 @@ int spi_nor_scan(struct spi_nor *nor, co
- write_sr(nor, 0);
- }
-
-- if (data && data->name)
-- mtd->name = data->name;
-- else
-+ if (!mtd->name)
- mtd->name = dev_name(dev);
--
- mtd->type = MTD_NORFLASH;
- mtd->writesize = 1;
- mtd->flags = MTD_CAP_NORFLASH;
-@@ -1018,6 +992,7 @@ int spi_nor_scan(struct spi_nor *nor, co
- nor->wait_till_ready == spi_nor_wait_till_ready)
- nor->wait_till_ready = spi_nor_wait_till_fsr_ready;
-
-+#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
- /* prefer "small sector" erase if possible */
- if (info->flags & SECT_4K) {
- nor->erase_opcode = SPINOR_OP_BE_4K;
-@@ -1025,7 +1000,9 @@ int spi_nor_scan(struct spi_nor *nor, co
- } else if (info->flags & SECT_4K_PMC) {
- nor->erase_opcode = SPINOR_OP_BE_4K_PMC;
- mtd->erasesize = 4096;
-- } else {
-+ } else
-+#endif
-+ {
- nor->erase_opcode = SPINOR_OP_SE;
- mtd->erasesize = info->sector_size;
- }
-@@ -1141,7 +1118,7 @@ int spi_nor_scan(struct spi_nor *nor, co
- }
- EXPORT_SYMBOL_GPL(spi_nor_scan);
-
--const struct spi_device_id *spi_nor_match_id(char *name)
-+static const struct spi_device_id *spi_nor_match_id(const char *name)
- {
- const struct spi_device_id *id = spi_nor_ids;
-
-@@ -1152,7 +1129,6 @@ const struct spi_device_id *spi_nor_matc
- }
- return NULL;
- }
--EXPORT_SYMBOL_GPL(spi_nor_match_id);
-
- MODULE_LICENSE("GPL");
- MODULE_AUTHOR("Huang Shijie <shijie8@gmail.com>");
---- a/drivers/mtd/spi-nor/Kconfig
-+++ b/drivers/mtd/spi-nor/Kconfig
-@@ -7,6 +7,20 @@ menuconfig MTD_SPI_NOR
-
- if MTD_SPI_NOR
-
-+config MTD_SPI_NOR_USE_4K_SECTORS
-+ bool "Use small 4096 B erase sectors"
-+ default y
-+ help
-+ Many flash memories support erasing small (4096 B) sectors. Depending
-+ on the usage this feature may provide performance gain in comparison
-+ to erasing whole blocks (32/64 KiB).
-+ Changing a small part of the flash's contents is usually faster with
-+ small sectors. On the other hand erasing should be faster when using
-+ 64 KiB block instead of 16 × 4 KiB sectors.
-+
-+ Please note that some tools/drivers/filesystems may not work with
-+ 4096 B erase size (e.g. UBIFS requires 15 KiB as a minimum).
-+
- config SPI_FSL_QUADSPI
- tristate "Freescale Quad SPI controller"
- depends on ARCH_MXC
---- a/include/linux/mtd/spi-nor.h
-+++ b/include/linux/mtd/spi-nor.h
-@@ -187,32 +187,17 @@ struct spi_nor {
- /**
- * spi_nor_scan() - scan the SPI NOR
- * @nor: the spi_nor structure
-- * @id: the spi_device_id provided by the driver
-+ * @name: the chip type name
- * @mode: the read mode supported by the driver
- *
- * The drivers can use this fuction to scan the SPI NOR.
- * In the scanning, it will try to get all the necessary information to
- * fill the mtd_info{} and the spi_nor{}.
- *
-- * The board may assigns a spi_device_id with @id which be used to compared with
-- * the spi_device_id detected by the scanning.
-+ * The chip type name can be provided through the @name parameter.
- *
- * Return: 0 for success, others for failure.
- */
--int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
-- enum read_mode mode);
--extern const struct spi_device_id spi_nor_ids[];
--
--/**
-- * spi_nor_match_id() - find the spi_device_id by the name
-- * @name: the name of the spi_device_id
-- *
-- * The drivers use this function to find the spi_device_id
-- * specified by the @name.
-- *
-- * Return: returns the right spi_device_id pointer on success,
-- * and returns NULL on failure.
-- */
--const struct spi_device_id *spi_nor_match_id(char *name);
-+int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode);
-
- #endif
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