В сообщении от 18 августа 2010 18:04:25 автор Vasily Khoruzhick написал: > Some integrated DMA-capable hardware doesn't like autoreload > feature of s3c24xx DMA-engine, that's why s3cmci driver > didn't work with DMA transfers enabled. > > I rewrote DMA driver not to use autoreload feature and removed > all pre-loading features. Buffer re-load is fast enought to perform > it in IRQ handler, and anyway I don't see any reason to waste CPU > cycles on waiting for buffer load. Driver is much simplier now, > it was tested with s3cmci and s3c24xx-i2s drivers on s3c2442 and > s3c2410 SoCs and works just nice. Patch has problem with suspend/resume (chan->dcon is clobbered by dma_sel->select()) Will resend fixed version soon. Regards Vasily
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