Hi Prarit, > When loading the i801 i2c bus driver on an i5-46xx CPU, and this chipset > http://www.intel.com/content/dam/www/public/us/en/documents/datash > eets/8-series-chipset-pch-datasheet.pdf > > I see the following warning: > > i801_smbus 0000:00:1f.3: PCI INT C -> GSI 18 (level, low) -> IRQ 18 > ACPI: resource 0000:00:1f.3 [io 0xefa0-0xefbf] conflicts with ACPI region > SMBI [io 0xefa0-0xefaf] > ACPI: This conflict may cause random problems and system instability > ACPI: If an ACPI driver is available for this device, you should use it > instead of > the native driver > > It seems like the BIOS/ACPI defines a region, SMBI, which is defined for the > SMBus to use, but there is no ACPI driver available for the SMBus (at least > AFAICT). > > I'm using "acpi_enforce_resources=lax" as a kernel parameter to work > around the issue but was wondering if there was a more robust fix planned > for this problem? If not -- anyone want to point me in the right direction > of a > fix?
>From what I understand (mostly from Jean), this is a BIOS issue that we work >around with the acpi_enforce_resources parameter. So if you want to drive an >actual fix for it, it'll need to be lobbed at BIOS folks. Regards, Seth -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
