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-rw-r--r--drivers/char/tpm/tpm_tis.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 3232b193259..29dac1e4537 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;
}