Re: [PATCH v5 3/4] DMA: Freescale: update driver to support8-channel DMA engine

From: Scott Wood
Date: Wed Jul 24 2013 - 15:30:23 EST


On 07/24/2013 01:21:08 AM, hongbo.zhang@xxxxxxxxxxxxx wrote:
From: Hongbo Zhang <hongbo.zhang@xxxxxxxxxxxxx>

This patch adds support to 8-channel DMA engine, thus the driver works for both
the new 8-channel and the legacy 4-channel DMA engines.

Signed-off-by: Hongbo Zhang <hongbo.zhang@xxxxxxxxxxxxx>
---
drivers/dma/Kconfig | 9 +++++----
drivers/dma/fsldma.c | 9 ++++++---
drivers/dma/fsldma.h | 2 +-
3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6825957..1b78272 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -89,14 +89,15 @@ config AT_HDMAC
Support the Atmel AHB DMA controller.

config FSL_DMA
- tristate "Freescale Elo and Elo Plus DMA support"
+ tristate "Freescale Elo series DMA support"
depends on FSL_SOC
select DMA_ENGINE
select ASYNC_TX_ENABLE_CHANNEL_SWITCH
---help---
- Enable support for the Freescale Elo and Elo Plus DMA controllers.
- The Elo is the DMA controller on some 82xx and 83xx parts, and the
- Elo Plus is the DMA controller on 85xx and 86xx parts.
+ Enable support for the Freescale Elo series DMA controllers.
+ The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
+ EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
+ some Txxx and Bxxx parts. Look up user manuals for details anyway.

The user manuals do not use the "elo" terminology. I also don't understand the tone you're trying to convey with "anyway".

-Scott
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