diff options
Diffstat (limited to 'hdata')
| -rw-r--r-- | hdata/i2c.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hdata/i2c.c b/hdata/i2c.c index 5dfdb10..5cb56fa 100644 --- a/hdata/i2c.c +++ b/hdata/i2c.c @@ -343,6 +343,16 @@ int parse_i2c_devs(const struct HDIF_common_hdr *hdr, int idata_index, if (label) dt_add_property_string(node, "label", label); + /* + * Set a default timeout of 2s on the ports with a TPM. This is + * to work around a bug with certain TPM firmwares that can + * clock stretch for long periods of time and will lock up + * until they are power cycled if a STOP condition is sent + * during this period. + */ + if (dev->type == 0x3) + dt_add_property_cells(bus, "timeout-ms", 2000); + /* XXX: SLCA index? */ } |