if irq==0 (actualy invalid value) then error is printed to dmesg after
trying to register to 0 interrupt
---
drivers/char/tpm/tpm_i2c_nuvoton.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c
b/drivers/char/tpm/tpm_i2c_nuvoton.c
index 75a80e466..3081529 100644
--- a/drivers/char/tpm/tpm_i2c_nuvoton.c
+++ b/drivers/char/tpm/tpm_i2c_nuvoton.c
@@ -554,7 +554,9 @@ static int i2c_nuvoton_probe(struct i2c_client *client,
* TPM_INTF_INT_LEVEL_LOW | TPM_INTF_DATA_AVAIL_INT
* The IRQ should be set in the i2c_board_info (which is done
* automatically in of_i2c_register_devices, for device tree users */
- chip->flags |= TPM_CHIP_FLAG_IRQ;
+ if(chip->flags)
+ chip->flags |= TPM_CHIP_FLAG_IRQ;
+
priv->irq = client->irq;
if (chip->flags & TPM_CHIP_FLAG_IRQ) {
--
1.9.1
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