diff options
Diffstat (limited to 'kernel/drivers/mtd/devices/m25p80.c')
| -rw-r--r-- | kernel/drivers/mtd/devices/m25p80.c | 94 |
1 files changed, 41 insertions, 53 deletions
diff --git a/kernel/drivers/mtd/devices/m25p80.c b/kernel/drivers/mtd/devices/m25p80.c index 3af137f49..fe9ceb7b5 100644 --- a/kernel/drivers/mtd/devices/m25p80.c +++ b/kernel/drivers/mtd/devices/m25p80.c @@ -31,7 +31,6 @@ struct m25p { struct spi_device *spi; struct spi_nor spi_nor; - struct mtd_info mtd; u8 command[MAX_CMD_SIZE]; }; @@ -62,8 +61,7 @@ static int m25p_cmdsz(struct spi_nor *nor) return 1 + nor->addr_width; } -static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len, - int wr_en) +static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len) { struct m25p *flash = nor->priv; struct spi_device *spi = flash->spi; @@ -159,7 +157,7 @@ static int m25p80_erase(struct spi_nor *nor, loff_t offset) struct m25p *flash = nor->priv; dev_dbg(nor->dev, "%dKiB at 0x%08x\n", - flash->mtd.erasesize / 1024, (u32)offset); + flash->spi_nor.mtd.erasesize / 1024, (u32)offset); /* Set up command buffer. */ flash->command[0] = nor->erase_opcode; @@ -201,11 +199,10 @@ static int m25p_probe(struct spi_device *spi) nor->read_reg = m25p80_read_reg; nor->dev = &spi->dev; - nor->mtd = &flash->mtd; + nor->flash_node = spi->dev.of_node; nor->priv = flash; spi_set_drvdata(spi, flash); - flash->mtd.priv = nor; flash->spi = spi; if (spi->mode & SPI_RX_QUAD) @@ -214,7 +211,7 @@ static int m25p_probe(struct spi_device *spi) mode = SPI_NOR_DUAL; if (data && data->name) - flash->mtd.name = data->name; + nor->mtd.name = data->name; /* For some (historical?) reason many platforms provide two different * names in flash_platform_data: "name" and "type". Quite often name is @@ -223,8 +220,6 @@ static int m25p_probe(struct spi_device *spi) */ if (data && data->type) flash_name = data->type; - else if (!strcmp(spi->modalias, "spi-nor")) - flash_name = NULL; /* auto-detect */ else flash_name = spi->modalias; @@ -234,7 +229,7 @@ static int m25p_probe(struct spi_device *spi) ppdata.of_node = spi->dev.of_node; - return mtd_device_parse_register(&flash->mtd, NULL, &ppdata, + return mtd_device_parse_register(&nor->mtd, NULL, &ppdata, data ? data->parts : NULL, data ? data->nr_parts : 0); } @@ -245,7 +240,7 @@ static int m25p_remove(struct spi_device *spi) struct m25p *flash = spi_get_drvdata(spi); /* Clean up MTD stuff. */ - return mtd_device_unregister(&flash->mtd); + return mtd_device_unregister(&flash->spi_nor.mtd); } /* @@ -261,59 +256,52 @@ static int m25p_remove(struct spi_device *spi) * keep them available as module aliases for existing platforms. */ static const struct spi_device_id m25p_ids[] = { - {"at25fs010"}, {"at25fs040"}, {"at25df041a"}, {"at25df321a"}, - {"at25df641"}, {"at26f004"}, {"at26df081a"}, {"at26df161a"}, - {"at26df321"}, {"at45db081d"}, - {"en25f32"}, {"en25p32"}, {"en25q32b"}, {"en25p64"}, - {"en25q64"}, {"en25qh128"}, {"en25qh256"}, - {"f25l32pa"}, - {"mr25h256"}, {"mr25h10"}, - {"gd25q32"}, {"gd25q64"}, - {"160s33b"}, {"320s33b"}, {"640s33b"}, - {"mx25l2005a"}, {"mx25l4005a"}, {"mx25l8005"}, {"mx25l1606e"}, - {"mx25l3205d"}, {"mx25l3255e"}, {"mx25l6405d"}, {"mx25l12805d"}, - {"mx25l12855e"},{"mx25l25635e"},{"mx25l25655e"},{"mx66l51235l"}, - {"mx66l1g55g"}, - {"n25q064"}, {"n25q128a11"}, {"n25q128a13"}, {"n25q256a"}, - {"n25q512a"}, {"n25q512ax3"}, {"n25q00"}, - {"pm25lv512"}, {"pm25lv010"}, {"pm25lq032"}, - {"s25sl032p"}, {"s25sl064p"}, {"s25fl256s0"}, {"s25fl256s1"}, - {"s25fl512s"}, {"s70fl01gs"}, {"s25sl12800"}, {"s25sl12801"}, - {"s25fl129p0"}, {"s25fl129p1"}, {"s25sl004a"}, {"s25sl008a"}, - {"s25sl016a"}, {"s25sl032a"}, {"s25sl064a"}, {"s25fl008k"}, - {"s25fl016k"}, {"s25fl064k"}, {"s25fl132k"}, - {"sst25vf040b"},{"sst25vf080b"},{"sst25vf016b"},{"sst25vf032b"}, - {"sst25vf064c"},{"sst25wf512"}, {"sst25wf010"}, {"sst25wf020"}, - {"sst25wf040"}, - {"m25p05"}, {"m25p10"}, {"m25p20"}, {"m25p40"}, - {"m25p80"}, {"m25p16"}, {"m25p32"}, {"m25p64"}, - {"m25p128"}, {"n25q032"}, + /* + * Entries not used in DTs that should be safe to drop after replacing + * them with "nor-jedec" in platform data. + */ + {"s25sl064a"}, {"w25x16"}, {"m25p10"}, {"m25px64"}, + + /* + * Entries that were used in DTs without "nor-jedec" fallback and should + * be kept for backward compatibility. + */ + {"at25df321a"}, {"at25df641"}, {"at26df081a"}, + {"mr25h256"}, + {"mx25l4005a"}, {"mx25l1606e"}, {"mx25l6405d"}, {"mx25l12805d"}, + {"mx25l25635e"},{"mx66l51235l"}, + {"n25q064"}, {"n25q128a11"}, {"n25q128a13"}, {"n25q512a"}, + {"s25fl256s1"}, {"s25fl512s"}, {"s25sl12801"}, {"s25fl008k"}, + {"s25fl064k"}, + {"sst25vf040b"},{"sst25vf016b"},{"sst25vf032b"},{"sst25wf040"}, + {"m25p40"}, {"m25p80"}, {"m25p16"}, {"m25p32"}, + {"m25p64"}, {"m25p128"}, + {"w25x80"}, {"w25x32"}, {"w25q32"}, {"w25q32dw"}, + {"w25q80bl"}, {"w25q128"}, {"w25q256"}, + + /* Flashes that can't be detected using JEDEC */ {"m25p05-nonjedec"}, {"m25p10-nonjedec"}, {"m25p20-nonjedec"}, {"m25p40-nonjedec"}, {"m25p80-nonjedec"}, {"m25p16-nonjedec"}, {"m25p32-nonjedec"}, {"m25p64-nonjedec"}, {"m25p128-nonjedec"}, - {"m45pe10"}, {"m45pe80"}, {"m45pe16"}, - {"m25pe20"}, {"m25pe80"}, {"m25pe16"}, - {"m25px16"}, {"m25px32"}, {"m25px32-s0"}, {"m25px32-s1"}, - {"m25px64"}, {"m25px80"}, - {"w25x10"}, {"w25x20"}, {"w25x40"}, {"w25x80"}, - {"w25x16"}, {"w25x32"}, {"w25q32"}, {"w25q32dw"}, - {"w25x64"}, {"w25q64"}, {"w25q80"}, {"w25q80bl"}, - {"w25q128"}, {"w25q256"}, {"cat25c11"}, - {"cat25c03"}, {"cat25c09"}, {"cat25c17"}, {"cat25128"}, - /* - * Generic support for SPI NOR that can be identified by the JEDEC READ - * ID opcode (0x9F). Use this, if possible. - */ - {"spi-nor"}, { }, }; MODULE_DEVICE_TABLE(spi, m25p_ids); +static const struct of_device_id m25p_of_table[] = { + /* + * Generic compatibility for SPI NOR that can be identified by the + * JEDEC READ ID opcode (0x9F). Use this, if possible. + */ + { .compatible = "jedec,spi-nor" }, + {} +}; +MODULE_DEVICE_TABLE(of, m25p_of_table); + static struct spi_driver m25p80_driver = { .driver = { .name = "m25p80", - .owner = THIS_MODULE, + .of_match_table = m25p_of_table, }, .id_table = m25p_ids, .probe = m25p_probe, |