diff options
| author | Roman Yeryomin <roman@advem.lv> | 2013-05-26 01:02:55 +0300 |
|---|---|---|
| committer | Roman Yeryomin <roman@advem.lv> | 2013-05-26 01:02:55 +0300 |
| commit | 342045a35b1981a89e4bc80842b10c065e1050da (patch) | |
| tree | 4140720b20e8d641c11da882010d6130a75fef21 /target/linux/generic/patches-3.9/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch | |
| parent | 7338133dde8238afce34676214b494c8db96689b (diff) | |
| parent | 1a116ce7818ecee5d167a9c0ebb1a0feca9120e6 (diff) | |
Merge trunk into realtek-unstable
Conflicts:
Config.in
feeds.conf.default
package/base-files/files/etc/hotplug2-common.rules
package/network/config/netifd/files/etc/init.d/network
Diffstat (limited to 'target/linux/generic/patches-3.9/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch')
| -rw-r--r-- | target/linux/generic/patches-3.9/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.9/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch b/target/linux/generic/patches-3.9/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch new file mode 100644 index 000000000..f6de3f937 --- /dev/null +++ b/target/linux/generic/patches-3.9/476-mtd-m25p80-allow-to-disable-small-sector-erase.patch @@ -0,0 +1,41 @@ +--- a/drivers/mtd/devices/Kconfig ++++ b/drivers/mtd/devices/Kconfig +@@ -110,6 +110,14 @@ config MTD_SPEAR_SMI + help + This enable SNOR support on SPEAR platforms using SMI controller + ++config M25PXX_PREFER_SMALL_SECTOR_ERASE ++ bool "Prefer small sector erase" ++ depends on MTD_M25P80 ++ default y ++ help ++ This option enables use of the small erase sectors if that is ++ supported by the flash chip. ++ + config MTD_SST25L + tristate "Support SST25L (non JEDEC) SPI Flash chips" + depends on SPI_MASTER +--- a/drivers/mtd/devices/m25p80.c ++++ b/drivers/mtd/devices/m25p80.c +@@ -76,6 +76,12 @@ + + #define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16) + ++#ifdef CONFIG_M25PXX_PREFER_SMALL_SECTOR_ERASE ++#define PREFER_SMALL_SECTOR_ERASE 1 ++#else ++#define PREFER_SMALL_SECTOR_ERASE 0 ++#endif ++ + /****************************************************************************/ + + struct m25p { +@@ -1018,7 +1024,7 @@ static int m25p_probe(struct spi_device + flash->mtd._write = m25p80_write; + + /* prefer "small sector" erase if possible */ +- if (info->flags & SECT_4K) { ++ if (PREFER_SMALL_SECTOR_ERASE && (info->flags & SECT_4K)) { + flash->erase_opcode = OPCODE_BE_4K; + flash->mtd.erasesize = 4096; + } else if (info->flags & SECT_4K_PMC) { |
