* Stan Hu <stanhu@xxxxxxxxx> [120926 11:36]:
> McSPI driver previously assumed that D0 was input (MISO) and D1 was output (MOSI).
> This forces the hardware designer to wire all SPI peripherals in this way when
> it should be a software configuration option.
>
> Signed-off-by: Stan Hu <stanhu@xxxxxxxxx>
> ---
> arch/arm/plat-omap/include/plat/mcspi.h | 2 ++
> drivers/spi/spi-omap2-mcspi.c | 11 +++++++++--
> 2 files changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/plat-omap/include/plat/mcspi.h b/arch/arm/plat-omap/include/plat/mcspi.h
> index a357eb2..0a6b790 100644
> --- a/arch/arm/plat-omap/include/plat/mcspi.h
> +++ b/arch/arm/plat-omap/include/plat/mcspi.h
> @@ -18,6 +18,8 @@ struct omap2_mcspi_dev_attr {
>
> struct omap2_mcspi_device_config {
> unsigned turbo_mode:1;
> + /* 1 -> [D0 = MOSI, D1 = MISO], otherwise vice versa */
> + unsigned d0_is_output:1;
> };
>
> #endif
FYI, if this did not yet get applied, this header has now been
moved to linux/platform_data/spi-omap2-mcspi.h. So you may want
to updated it and repost.
Also, you should probably Cc spi-devel-general@xxxxxxxxxxxxxxxxxxxxx.
Regards,
Tony
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