Simplify the flash_lock ops detection code and added
meaningful comment.
Cc: Simon Glass <s...@chromium.org>
Cc: Bin Meng <bmeng...@gmail.com>
Cc: York Sun <york....@nxp.com>
Cc: Vignesh R <vigne...@ti.com>
Cc: Mugunthan V N <mugunthan...@ti.com>
Cc: Michal Simek <michal.si...@xilinx.com>
Cc: Siva Durga Prasad Paladugu <siva...@xilinx.com>
Signed-off-by: Jagan Teki <ja...@openedev.com>
---
drivers/mtd/spi/spi_flash.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index daa9014..b92b0bf 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -1117,19 +1117,15 @@ int spi_flash_scan(struct spi_flash *flash)
flash->read = spi_flash_cmd_read_ops;
#endif
- /* lock hooks are flash specific - assign them based on idcode0 */
- switch (JEDEC_MFR(info)) {
#if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST)
- case SPI_FLASH_CFI_MFR_STMICRO:
- case SPI_FLASH_CFI_MFR_SST:
+ /* NOR protection support for STmicro/Micron chips and similar */
+ if (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_STMICRO ||
+ JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SST) {
flash->flash_lock = stm_lock;
flash->flash_unlock = stm_unlock;
flash->flash_is_locked = stm_is_locked;
-#endif
- break;
- default:
- debug("SF: Lock ops not supported for %02x flash\n",
JEDEC_MFR(info));
}
+#endif
/* Compute the flash size */
flash->shift = (flash->dual_flash & SF_DUAL_PARALLEL_FLASH) ? 1 : 0;
--
2.7.4
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