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Commit a927b813 authored by Stefan Berger's avatar Stefan Berger Committed by Rajiv Andrade
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tpm_tis: add delay after aborting command 



This patch adds a delay after aborting a command. Some TPMs need
this and will not process the subsequent command correctly otherwise.

Signed-off-by: default avatarStefan Berger <stefanb@linux.vnet.ibm.com>
parent 7f326ed7

drivers/char/tpm/tpm_tis.c

+3 −0
Original line number Diff line number Diff line
@@ -432,6 +432,9 @@ static int probe_itpm(struct tpm_chip *chip) 
out:

	itpm = rem_itpm;

	tpm_tis_ready(chip);

	/* some TPMs need a break here otherwise they will not work

	 * correctly on the immediately subsequent command */

	msleep(chip->vendor.timeout_b);

	release_locality(chip, chip->vendor.locality, 0);



	return rc;