On Sun, Dec 31, 2017 at 09:11:05PM +0000, Darren Stevens wrote: > The AMD SB600 southbridge has an PATA IDE interface, but the > secondary port has no physical connections, so is disabled in > the PCI header which makes it appear as a legacy port. > > On most systems this causes no trouble, but the Amigaone X1000 has > an SB600 connected to a PowerPC SoC PCI-e root port, with an > emulated ISA bus. On this system a kernel panic occurs at boot > time during device attach for the secondary port. > > Mark the port as 'dummy' to prevent this. As a bonus, disabling > this will slightly speed up booting on PC systems using an > SB600 as they will now skip 2 known empty ports. > > Signed-off-by: Darren Stevens <Darren@xxxxxxxxxxxxxxxx> Applied to libata/for-4.16. Thanks. -- tejun -- 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