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| author | Kylene Jo Hall <kjhall@us.ibm.com> | 2006-07-13 12:24:36 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-08-23 14:13:31 -0700 |
| commit | f60aad27513c78d0c0e5feaeb1013f8ce6c07a7c (patch) | |
| tree | a6d1ad9695ead27c5de23b5e646135858f60000d | |
| parent | 5a4ceb2adfc3f7d35fa07420582f626c8402e605 (diff) | |
| download | lwn-f60aad27513c78d0c0e5feaeb1013f8ce6c07a7c.tar.gz lwn-f60aad27513c78d0c0e5feaeb1013f8ce6c07a7c.zip | |
tpm: interrupt clear fix
Under stress testing I found that the interrupt is not always cleared.
This is a bug and this patch should go into 2.6.18 and 2.6.17.x.
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 8ea70625f7ea..2678034be339 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -424,6 +424,7 @@ static irqreturn_t tis_int_handler(int irq, void *dev_id, struct pt_regs *regs) iowrite32(interrupt, chip->vendor.iobase + TPM_INT_STATUS(chip->vendor.locality)); + ioread32(chip->vendor.iobase + TPM_INT_STATUS(chip->vendor.locality)); return IRQ_HANDLED; } |