diff options
| -rw-r--r-- | target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch b/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch index 1d837032d6..6fd5c89fce 100644 --- a/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch +++ b/target/linux/bcm53xx/patches-3.14/002-mtd-spi-nor-from-3.18.patch @@ -104,3 +104,26 @@ nor->erase_opcode = SPINOR_OP_SE; mtd->erasesize = info->sector_size; } +--- 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 |