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Diffstat (limited to 'drivers/mtd/spi-nor/Kconfig')
| -rw-r--r-- | drivers/mtd/spi-nor/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig index f8acfa4310e..64a4f0edabc 100644 --- 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 |