[PATCH 4/6] drivers: tpm: atmel_twi: do not use an offset byte

Mathew McBride matt at traverse.com.au
Thu Nov 4 02:12:51 CET 2021


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 at traverse.com.au>
---
 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;
 }
 
-- 
2.30.1



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