Hello, Matthew. (cc'ing Bartlomiej) On Tue, Nov 29, 2016 at 12:53:02PM -0500, Matthew Whitehead wrote: > If there is no PCI bus detected in drivers/ata/pata_legacy.c, it registers all the > common legacy PATA devices. This includes I/O ports (0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160) > and also their associated interrupts (14,15,11,10,8,12). > > Unfortunately, on such systems those interrupt lines are at a premium because there is no > PCI alternative. This patch allows you to disable individual port/interrupt pairs by providing > a list of ports to skip allocating. > > modprobe pata_legacy ignore_ports=0x1e8,0x168,0x1e0,0x160 Can you please give a concrete example of a machine and situation where this would be useful? 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
