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Subject[PATCH] tpm: interrupt clear fix
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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>
---
--- tcg/tpmdd/drivers/char/tpm/tpm_tis.c 2006-06-07 11:37:08.000000000 -0700
+++ linux-2.6.17/drivers/char/tpm/tpm_tis.c 2006-07-10 12:58:28.000000000 -0700
@@ -424,6 +424,7 @@ static irqreturn_t tis_int_handler(int i
iowrite32(interrupt,
chip->vendor.iobase +
TPM_INT_STATUS(chip->vendor.locality));
+ mb();
return IRQ_HANDLED;
}


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