From 59f6fbe4291fcc078ba26ce4edf8373a7620a13a Mon Sep 17 00:00:00 2001 From: Rajiv Andrade Date: Wed, 23 Jun 2010 12:18:56 -0700 Subject: [PATCH] tpm_tis: fix subsequent suspend failures Fix subsequent suspends by issuing tpm_continue_selftest during resume. Otherwise, the tpm chip seems to be not fully initialized and will reject the save state command during suspend, thus preventing the whole system to suspend. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16256 Signed-off-by: Helmut Schaa Signed-off-by: Rajiv Andrade Cc: James Morris Cc: Debora Velarde Cc: David Safford Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm_tis.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 24314a9cffe8..1030f8420137 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -623,7 +623,14 @@ static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg) static int tpm_tis_pnp_resume(struct pnp_dev *dev) { - return tpm_pm_resume(&dev->dev); + struct tpm_chip *chip = pnp_get_drvdata(dev); + int ret; + + ret = tpm_pm_resume(&dev->dev); + if (!ret) + tpm_continue_selftest(chip); + + return ret; } static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = { -- 2.20.1