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authorCaveh Jalali <caveh@chromium.org>2020-09-10 01:25:29 -0700
committerPatrick Georgi <pgeorgi@google.com>2020-09-16 07:14:40 +0000
commit8274c2926fbee8125a0cba4d38cd020b98c397c8 (patch)
treeb048006c47f2bcbda2f4df3178f925eac6221b7d /src/lib/ramtest.c
parent0f651650f38c5166a934b3541f56f32bf4fd93b2 (diff)
drivers/spi/tpm: Improve error checking
This adds error checking in paths that previously ignored TPM communication errors. We hit this case occasionally during "Checking cr50 for pending updates"; previously we would go down this path and eventually time out using MAX_STATUS_TIMEOUT, which is 2 minutes. Now, we detect the failure and return with an error indication instead of timing out after a long time. The root cause of the communication error is an open issue. BUG=b:168090038 TEST=booted on volteer, observed error handling when "Checking cr50 for pending updates" fails. Signed-off-by: Caveh Jalali <caveh@chromium.org> Change-Id: Ia8a1202000abce1857ee694b06b1478e6b045069 Reviewed-on: https://review.coreboot.org/c/coreboot/+/45232 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jes Klinke <jbk@chromium.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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