[PATCH 8/8] spi_mpc8xxx: Add support for QE DMA mode and CPM1/CPM2 chips

[Kumar Gala]

On Oct 12, 2009, at 11:49 AM, Anton Vorontsov wrote:

> This patch adds QE buffer descriptors mode support for the
> spi_mpc8xxx driver, and as a side effect we now support CPM1
> and CPM2 SPI controllers.
>
> That means that today we support almost all MPC SPI controllers:
>
> - MPC834x-style controllers (support PIO mode only);
> - CPM1 and CPM2 controllers (support DMA mode only);
> - QE SPI controllers in CPU mode (PIO mode with shift quirks);
> - QE SPI controllers in buffer descriptors (DMA) mode;
>
> The only controller we don't currently support is a newer eSPI
> (with a dedicated chip selects and a bit different registers map).
>
> Signed-off-by: Anton Vorontsov <avorontsov at ru.mvista.com>
> Acked-by: David Brownell <dbrownell at users.sourceforge.net>
> ---
> drivers/spi/Kconfig       |    3 -
> drivers/spi/spi_mpc8xxx.c |  540 ++++++++++++++++++++++++++++++++++++ 
> +++++----
> 2 files changed, 500 insertions(+), 43 deletions(-)

applied to next

- k