[PATCH v2 4/6] drivers: tpm: atmel_twi: do not use an offset byte
Mathew McBride
matt at traverse.com.au
Thu Nov 11 05:06:29 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>
Acked-by: Ilias Apalodimas <ilias.apalodimas at 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;
}
--
2.30.1
More information about the U-Boot
mailing list