On 9/1/25 3:59 PM, Chiasheng Lee wrote:

Hide the Intel Birch Stream SoC TCO WDT feature since it was removed.

On platforms with PCH TCO WDT, this redundant device might be rendering errors like this:

[ 28.144542] sysfs: cannot create duplicate filename '/bus/platform/devices/iTCO_wdt'

Fixes: 8c56f9ef25a3 ("i2c: i801: Add support for Intel Birch Stream SoC") Cc: stable@vger.kernel.org Signed-off-by: Chiasheng Lee chiasheng.lee@linux.intel.com Reviewed-by: Mika Westerberg mika.westerberg@linux.intel.com Link: https://bugzilla.kernel.org/show_bug.cgi?id=220320

---

drivers/i2c/busses/i2c-i801.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index a7f89946dad4..e94ac746a741 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1052,7 +1052,7 @@ static const struct pci_device_id i801_ids[] = { { PCI_DEVICE_DATA(INTEL, METEOR_LAKE_P_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) }, { PCI_DEVICE_DATA(INTEL, METEOR_LAKE_SOC_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) }, { PCI_DEVICE_DATA(INTEL, METEOR_LAKE_PCH_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },

• { PCI_DEVICE_DATA(INTEL, BIRCH_STREAM_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },

• { PCI_DEVICE_DATA(INTEL, BIRCH_STREAM_SMBUS, FEATURES_ICH5) }, { PCI_DEVICE_DATA(INTEL, ARROW_LAKE_H_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) }, { PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_H_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) }, { PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_P_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },

Reviewed-by: Jarkko Nikula jarkko.nikula@linux.intel.com