ARM: PL08x: add comment explaining the flow control methods

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Explain the two flow control methods which the PL08x implements, along
with the problem which peripheral flow control presents.  This helps
people understand why we are unable to use these DMA controllers with
(eg) the MMCI.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Russell King - ARM Linux 2011-01-03 22:33:06 +00:00 • committed by Dan Williams

parent 3e2a037c1d

commit 9dc2c200a0

1 changed files with 17 additions and 1 deletions

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18

drivers/dma/amba-pl08x.c

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