Added SPI_FLASH_DATAFLASH entry on Kconfig with help description.
data flash driver comes with good decription, hence moved the same on to kconfig help decription.
Signed-off-by: Jagan Teki jteki@openedev.com Reviewed-by: Simon Glass sjg@chromium.org Cc: Haikun Wang haikun.wang@freescale.com --- Changes for v2: - Added more help decription.
drivers/mtd/spi/Kconfig | 15 +++++++++++++++ drivers/mtd/spi/sf_dataflash.c | 10 ---------- 2 files changed, 15 insertions(+), 10 deletions(-)
diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig index 80fe93e..a4160fd 100644 --- a/drivers/mtd/spi/Kconfig +++ b/drivers/mtd/spi/Kconfig @@ -34,6 +34,21 @@ config SPI_FLASH
If unsure, say N
+config SPI_FLASH_DATAFLASH + bool "AT45xxx DataFlash support" + depends on SPI_FLASH && DM_SPI_FLASH + help + Enable the access for SPI-flash-based AT45xxx DataFlash chips. + DataFlash is a kind of SPI flash. Most AT45 chips have two buffers + in each chip, which may be used for double buffered I/O; but this + driver doesn't (yet) use these for any kind of i/o overlap or prefetching. + + Sometimes DataFlash is packaged in MMC-format cards, although the + MMC stack can't (yet?) distinguish between MMC and DataFlash + protocols during enumeration. + + If unsure, say N + config SPI_FLASH_MTD bool "SPI Flash MTD support" depends on SPI_FLASH diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index d287db8..3111f4f 100644 --- a/drivers/mtd/spi/sf_dataflash.c +++ b/drivers/mtd/spi/sf_dataflash.c @@ -19,16 +19,6 @@
#include "sf_internal.h"
-/* - * DataFlash is a kind of SPI flash. Most AT45 chips have two buffers in - * each chip, which may be used for double buffered I/O; but this driver - * doesn't (yet) use these for any kind of i/o overlap or prefetching. - * - * Sometimes DataFlash is packaged in MMC-format cards, although the - * MMC stack can't (yet?) distinguish between MMC and DataFlash - * protocols during enumeration. - */ - /* reads can bypass the buffers */ #define OP_READ_CONTINUOUS 0xE8 #define OP_READ_PAGE 0xD2