Shawn Nematbakhsh fd41823595 flash: Call lock function prior to mapped external read ...

Mapped read access to external flash may conflict with direct access
through SPI commands, so call a chip-level function to lock access prior
to doing such reads.

BUG=chrome-os-partner:55781
BRANCH=Gru
TEST=Verify 'ver' still works fine on kevin, and vboot hashing completes
successfully.

Change-Id: I009d6d5ee61c83260fb49ad4ee137fa3f4cd625a
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/385165
Tested-by: Mulin Chao <mlchao@nuvoton.com>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Mulin Chao <mlchao@nuvoton.com>
(cherry picked from commit a7f3e3fa376731709f4823a0c1d464b4d1deae14)
Reviewed-on: https://chromium-review.googlesource.com/386446
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>

2016-09-16 21:59:08 -07:00

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