>>>>> "Sergei" == Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx> writes: >> Could you please explain the issue with platform specific code a bit >> more? >> Is it related to a cable detection by any chance? Sergei> I guess it's rdmsr()/wrmsr()... Those are only used when the driver is explicitly loaded with use_msr=1. The default is to use PCI config space/VSA. In any case I have yet to see a CS5536 system whose BIOS sets the cable detection bit. If that's the problem I guess we could add a quirk flag to override the (lack of) BIOS setting. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html