On Wed, Sep 18, 2013 at 09:19:54PM +0200, Heiko Stübner wrote: > This adds a new driver to support the s3c24xx dma using the dmaengine > and makes the old one in mach-s3c24xx obsolete in the long run. > > Conceptually the s3c24xx-dma feels like a distant relative of the pl08x > with numerous virtual channels being mapped to a lot less physical ones. > The driver therefore borrows a lot from the amba-pl08x driver in this > regard. Functionality-wise the driver gains a memcpy ability in addition > to the slave_sg one. > > The driver supports both the method for requesting the peripheral used > by SoCs before the S3C2443 and the different method for S3C2443 and later. > > On earlier SoCs the hardware channels usable for specific peripherals is > constrainted while on later SoCs all channels can be used for any peripheral. > > Tested on a s3c2416-based board, memcpy using the dmatest module and > slave_sg partially using the spi-s3c64xx driver. > > Signed-off-by: Heiko Stuebner <[email protected]> > Acked-by: Linus Walleij <[email protected]> Acked-by: Vinod Koul <[email protected]>
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