On 02/15/2012 11:57 AM, Tejun Heo wrote:
Hello,
On Tue, Feb 14, 2012 at 09:15:32PM -0800, Brian Norris wrote:
Perhaps a module param (for ahci_platform) that sets a flag in
ata_port_info? I'm not sure if/how I'm allowed to introduce new ATA
flags...
I think adding a module param directly to libahci.c should do. Just
add it after ignore_sss and apply it to all ahci's on the host.
A module parameter is not necessarily the best/only option.
ahci_platform already has infrastructure set up to deal with
platform-specific quirks. An internal flag seems more appropriate to
enable automatic handling of this on the specific platforms where it
applies (plus the revert Tejun has already mentioned).
Nothing wrong with debugging the regression further (Brian's option #3),
but in the meantime we need to be actively using the best known working
state, which means making the "fix" opt-in rather than unconditional or
opt-out.
Jeff
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