Re: [PATCH v2] tpm: fix ATMEL TPM crash caused by too frequent queries
From: Jarkko Sakkinen <jarkko@kernel.org>
Date: 2021-07-07 09:24:14
From: Jarkko Sakkinen <jarkko@kernel.org>
Date: 2021-07-07 09:24:14
On Tue, Jul 06, 2021 at 09:31:35PM -0700, Hao Wu wrote:
Since kernel 4.14, there was a commit (9f3fc7bcddcb) fixed the TPM sleep logic from msleep to usleep_range, so that the TPM sleeps exactly with TPM_TIMEOUT (=5ms) afterward. Before that fix, msleep(5) actually sleeps for around 15ms.
What is TPM sleep logic? /Jarkko