[PATCH v2 1/2] mmc: atmel-mci: DMA can be used with other controller
cjb at laptop.org
Wed Sep 19 01:15:48 EDT 2012
On Thu, Aug 30 2012, Hein Tibosch wrote:
> After the latest changes to atmel-mci, it could not be used with
> DMA on the AVR32 platform. This patch will allow to use DMA again
> and it will avoid access to MCI register ATMCI_DMA.
> Even if the IP version is lower than v3xx and doesn't have the DMA
> configuration register, DMA transfers can be used with a different
> controller than the Atmel AHB DMA one. For instance, some AVR chips use
> the Synopsys DesignWare AHB DMA controller.
> v2: in atmci_configure_dma: check both pdata and pdata->dma_slave
> Signed-off-by: Hein Tibosch <hein_tibosch at yahoo.es>
> Acked-by: Ludovic Desroches <ludovic.desroches at atmel.com>
> drivers/mmc/host/atmel-mci.c | 26 +++++++++++++-------------
> 1 files changed, 13 insertions(+), 13 deletions(-)
Thanks, pushed to mmc-next for 3.7.
(For the future, please put the patch changelog below the "---" instead
of above it; that way it doesn't go into the git commit history.)
Chris Ball <cjb at laptop.org> <http://printf.net/>
One Laptop Per Child
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