Thread (18 messages) 18 messages, 7 authors, 2012-11-09

[PATCH] dma: add new DMA control commands

From: marex@denx.de (Marek Vasut)
Date: 2012-10-18 08:49:26
Also in: alsa-devel, linux-i2c, linux-mmc, lkml

Dear Huang Shijie,
? 2012?10?18? 16:16, Marek Vasut ??:
quoted
So we can't stream data from the chip? About time to adjust the MTD
framework to allow that. Maybe implement a command queue?
IMHO, it's not possible. Because the READ-PAGE(00h-30h) command needs to
check the busy status
which means we have to stop in the middle, so we can not chain the all
the read-pages DMA commands.
Can the DMA not branch?
thanks
Huang Shijie
Best regards,
Marek Vasut
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