From fdb4a5fcd7458d6cf075d908a499f822a9787fac Mon Sep 17 00:00:00 2001
From: Mathew McBride <matt@traverse.com.au>
Date: Thu, 11 Nov 2021 04:06:29 +0000
Subject: [PATCH] drivers: tpm: atmel_twi: do not use an offset byte
This driver was broken due to an empty offset byte being prepended
at the start of every transmission.
The hardware does not mimic an EEPROM device with registers so
an offset byte is not required.
Signed-off-by: Mathew McBride <matt@traverse.com.au>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---
drivers/tpm/tpm_atmel_twi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tpm/tpm_atmel_twi.c b/drivers/tpm/tpm_atmel_twi.c
index 4ff4cf4cd4..71b101406d 100644
--- a/drivers/tpm/tpm_atmel_twi.c
+++ b/drivers/tpm/tpm_atmel_twi.c
@@ -131,6 +131,7 @@ static int tpm_atmel_twi_xfer(struct udevice *dev,
static int tpm_atmel_twi_probe(struct udevice *dev)
{
+ i2c_set_chip_offset_len(dev, 0);
return 0;
}
--
2.39.5