From 31dd303128bd9490ee0b820cc6f122bab1c4dd3c Mon Sep 17 00:00:00 2001 From: rmilecki Date: Wed, 22 Oct 2014 14:34:43 +0000 Subject: [PATCH] bcm53xx: backport forgotten spi-nor change MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43031 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches-3.14/002-mtd-spi-nor-from-3.18.patch | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) 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 -- 2.11.0