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authorShubhrajyoti D <shubhrajyoti@ti.com>2012-05-10 19:20:41 +0530
committerGrant Likely <grant.likely@secretlab.ca>2012-05-10 21:23:58 -0600
commit7dfd2bd70228d1f8d468d58cb3d12ecd618479ed (patch)
tree5388c3c8ba4907ed86e7401da969e917a4f30586 /Makefile
parent6d6467ee58b4cddd34b01d642d282a353dd57ce9 (diff)
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spi: Dont call prepare/unprepare transfer if not populated
Currently the prepare/unprepare transfer are called unconditionally. The assumption is that every driver using the spi core queue infrastructure has to populate the prepare and unprepare functions. This encourages drivers to populate empty functions to prevent crashing. This patch prevents the call to prepare/unprepare if not populated. Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> [grant.likely: fix whitespace defect] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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