greybus: spi: fix message transfer over greybus

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The actual implementation of transfer_one_message have problems with
some cases in the possible transfer options. We try to maximize the
number of spi transfers in one greybus operation and need to save state
until the full message is dispatch over greybus.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Tested-by: Philip Yang <philipy@bsquare.com>
Tested-by: Axel Haslam <ahaslam@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Rui Miguel Silva 2016-04-20 14:40:22 +01:00 • committed by Greg Kroah-Hartman

parent 192c70dcf6

commit 0928b2e440

1 changed files with 153 additions and 40 deletions

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195

drivers/staging/greybus/spi.c

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