| Message ID | 1435766897-5827-1-git-send-email-jteki@openedev.com |
|---|---|
| State | Accepted |
| Delegated to: | Jagannadha Sutradharudu Teki |
| Headers | show |
On 1 July 2015 at 21:38, Jagan Teki <jteki@openedev.com> wrote: > 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 > -- > 1.9.1 > Applied to u-boot-spi/master thanks!
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