On Mon, Jul 01, 2013 at 06:02:55PM +0800, Richard Zhu wrote: > imx6q contains one Synopsys AHCI SATA controller, > But it can't shares ahci_platform driver with other > controllers. > Because there are some misalignments of the bits > definitions of the HBA registers and the Vendor > Specific registers > - CAP_SSS(bit20) of the HOST_CAP is writable, default > value is '0', should be configured to be '1' > - bit0 (only one AHCI SATA port on imx6q) of the > HOST_PORTS_IMPL should be set to be '1'.(default 0) > - One Vendor Specific register HOST_TIMER1MS(offset:0xe0) > should be configured regarding to the frequency of AHB > bus clock. If these are the only differences, can't you make ahci_platform deal with different variants? That's how we deal with subtly different variants of about the same controllers. 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