tree db57df246af2bfaec66e3d92ca62c593fade6a35
parent a49dc0a91456dda9baec7e4778de4d96fa9174ec
author Simon Glass <sjg@chromium.org> 1453430643 -0700
committer Simon Glass <sjg@chromium.org> 1453434155 -0700

rockchip: spi: Remember the last speed to avoid re-setting it

Rather than changing the clock to the same value on every transaction,
remember the last value and don't adjust the clock unless it is necessary.

Signed-off-by: Simon Glass <sjg@chromium.org>