| Message ID | 1293232433-2985-1-git-send-email-thomas@wytron.com.tw |
|---|---|
| State | Accepted |
| Commit | fa1423e707b30b3eb5251e976560ed5decfd2e3c |
| Delegated to: | Andy Fleming |
| Headers | show |
Dear Thomas Chou, In message <1293232433-2985-1-git-send-email-thomas@wytron.com.tw> you wrote: > This func helps mmc_spi driver set correct speed for mmc/sd, as > mmc card needs 400KHz clock for spi mode initialization. > > Signed-off-by: Thomas Chou <thomas@wytron.com.tw> > --- > v2 remove weak func as Mike suggested. > > include/spi.h | 8 ++++++++ > 1 files changed, 8 insertions(+), 0 deletions(-) > > diff --git a/include/spi.h b/include/spi.h > index 320e50e..7887d0f 100644 > --- a/include/spi.h > +++ b/include/spi.h > @@ -176,6 +176,14 @@ void spi_cs_activate(struct spi_slave *slave); > void spi_cs_deactivate(struct spi_slave *slave); > > /*----------------------------------------------------------------------- > + * Set transfer speed. > + * This sets a new speed to be applied for next spi_xfer(). > + * slave: The SPI slave > + * hz: The transfer speed > + */ Incorrect multiline comment style. Best regards, Wolfgang Denk
diff --git a/include/spi.h b/include/spi.h index 320e50e..7887d0f 100644 --- a/include/spi.h +++ b/include/spi.h @@ -176,6 +176,14 @@ void spi_cs_activate(struct spi_slave *slave); void spi_cs_deactivate(struct spi_slave *slave); /*----------------------------------------------------------------------- + * Set transfer speed. + * This sets a new speed to be applied for next spi_xfer(). + * slave: The SPI slave + * hz: The transfer speed + */ +void spi_set_speed(struct spi_slave *slave, uint hz); + +/*----------------------------------------------------------------------- * Write 8 bits, then read 8 bits. * slave: The SPI slave we're communicating with * byte: Byte to be written
This func helps mmc_spi driver set correct speed for mmc/sd, as mmc card needs 400KHz clock for spi mode initialization. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> --- v2 remove weak func as Mike suggested. include/spi.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)