[PATCH V2] serial: tegra: convert to standard DMA DT bindings

[Thierry Reding]

On Mon, Nov 25, 2013 at 02:51:10PM -0700, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> 
> By using dma_request_slave_channel_or_err(), the DMA slave ID can be
> looked up from standard DT properties, and squirrelled away during
> channel allocation. Hence, there's no need to use a custom DT property
> to store the slave ID.
> 
> Cc: treding at nvidia.com
> Cc: linux-tegra at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-serial at vger.kernel.org
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
> v2:
> * Don't allocate DMA channels inside probe(); the DMA channel setup
>   relies on some buffers that don't get allocated until startup().
> 
> This patch is part of a series with strong internal depdendencies. I'm
> looking for an ack so that I can take the entire series through the Tegra
> and arm-soc trees. The series will be part of a stable branch that can be
> merged into other subsystems if needed to avoid/resolve dependencies.
> 
> Greg, you'd previously ack'd this, but I had to change the patch to fix
> some bugs, which was a fair textual change, so I dropped your ack.
> ---
>  drivers/tty/serial/serial-tegra.c | 24 ++++++------------------
>  1 file changed, 6 insertions(+), 18 deletions(-)

Reviewed-by: Thierry Reding <treding at nvidia.com>
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