[PATCH 1/7] SPI: add PrimeCell generic DMA to PL022 v12
Grant Likely
grant.likely at secretlab.ca
Wed Sep 29 04:20:55 EDT 2010
On Tue, Sep 28, 2010 at 04:33:55PM +0200, Linus Walleij wrote:
> This extends the PL022 SSP/SPI driver with generic DMA engine
> support using the PrimeCell DMA engine interface. Also fix up the
> test code for the U300 platform.
>
> Acked-by: Grant Likely <grant.likely at secretlab.ca>
> Signed-off-by: Linus Walleij <linus.walleij at stericsson.com>
> ---
> Changes:
> - Switch CONFIG_DMADEVICES for CONFIG_DMA_ENGINE to counter
> a compilation error spotted by Grant.
> ---
> arch/arm/mach-u300/dummyspichip.c | 1 +
> drivers/spi/amba-pl022.c | 516 ++++++++++++++++++++++++++++++-------
> include/linux/amba/pl022.h | 6 +
> 3 files changed, 435 insertions(+), 88 deletions(-)
>
> diff --git a/arch/arm/mach-u300/dummyspichip.c b/arch/arm/mach-u300/dummyspichip.c
> index 03f7936..b86e944 100644
> --- a/arch/arm/mach-u300/dummyspichip.c
> +++ b/arch/arm/mach-u300/dummyspichip.c
> @@ -267,6 +267,7 @@ static struct spi_driver pl022_dummy_driver = {
> .driver = {
> .name = "spi-dummy",
> .owner = THIS_MODULE,
> + .bus = &spi_bus_type,
This shouldn't be necessary. spi_register_driver already sets the bus
type field.
Otherwise, this patch looks good. If you're okay with me dropping
this hunk, then I'll pick up this patch into my next-spi branch.
g.
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