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ARM: PL08x: add comment explaining the flow control methods
authorRussell King - ARM Linux <linux@arm.linux.org.uk>
Mon, 3 Jan 2011 22:33:06 +0000 (22:33 +0000)
committerDan Williams <dan.j.williams@intel.com>
Wed, 5 Jan 2011 03:16:10 +0000 (19:16 -0800)
commit5f53d519dee7a5324cb3fe77ba71d2fe48c5a2c5
treeaab2fa7ea1ae3f191f5b6c7abdada93a3b232e02tree | snapshot
parent3fd3cb73a7416d738395b6ecb75d7f737cc890a6commit | diff
ARM: PL08x: add comment explaining the flow control methods

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>
drivers/dma/amba-pl08x.c diff | blob | history
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