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def0a47cee
Enable the SHI interrupt only after we have received and begun processing our host command. Disable the SHI interrupt once our transaction is complete (with either success or error status). This will prevent the SHI interrupt from being asserted at the same time as the CS interrupt, which can lead to the SHI interrupt being serviced first. Also, it avoids needless, non-useful SHI interrupts during error transactions. BUG=chrome-os-partner:55710,chrome-os-partner:55795,chrome-os-partner:56254 BRANCH=None TEST=Manual on gru. Stress test flashrom w/ unpowered Donette attached (for host command spam), verify no errors encountered after 100 minutes. Also verify host command interface functions properly after sysjump. Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/384583 Reviewed-by: Mulin Chao <mlchao@nuvoton.com> Reviewed-by: Aseda Aboagye <aaboagye@chromium.org> (cherry picked from commit 668763721aab31a102ead348d7cfe1c72f50cb71) Change-Id: I7292d1b34d3e1c71628a8b5d663ce9fd865493f4 Reviewed-on: https://chromium-review.googlesource.com/386447 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>