[PATCH] tpm_tis_core: Add the error log when the chip startup failed

[Tian Tao]

TPM does not print any log when the startup fails, if there is a
problem with the hardware, wait_wartup is the first place to go wrong,
so add error log when wait_wartup fails to locate the problem.

Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
 drivers/char/tpm/tpm_tis_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 92c51c6..660c0a93 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -991,6 +991,7 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
 		chip->ops->clk_enable(chip, true);
 
 	if (wait_startup(chip, 0) != 0) {
+		dev_err(dev, "Could not startup the TPM Chip\n");
 		rc = -ENODEV;
 		goto out_err;
 	}
-- 
2.7.4