tree aafbca867661126b853e970addd784c6e47a99c3
parent 733200e7f547ca51bd6d9dee11b4718fda7ce2dc
author Aaron Durbin <adurbin@chromium.org> 1490653506 -0500
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1518212892 +0000

UPSTREAM: drivers/spi/tpm: de-assert chip select on transaction error

In the case of start_transaction() failing the chip select is never
deasserted. Correct that by deasserting the chip select when
start_transaction() fails.

BUG=b:36598499

Change-Id: I91866a30fca8c9efae15a900722eb0fc3bebbfc3
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 5cf1fadeca706f8d3016ea44c3e482c2428d6b3f
Original-Change-Id: I2c5200085eb357259edab39c1a0fa7b1d81ba7b2
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/19056
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/466051
(cherry picked from commit fc257c09701acb54a16c3f81f349dd8346b6bf11)
jwerner: tpm_if.slave is already a pointer in this branch
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/912354
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>