On Tue, 27 Nov 2007 19:43:49 +0900 Tejun Heo <[EMAIL PROTECTED]> wrote:
> Cable detection on NV PATA hosts isn't implemented and the CBLID- > cable isn't wired according to the sepc either, so both host-side and > generic drive-side cable detections are broken. Till now, > nv_cable_detect() relied on peeking BIOS and ACPI configurations to > upgrade to 80C but this often results in misdetection of 40C cable as > 80C. Also, the original implementation was broken in that by the time > BIOS configuration is read it has already been cleared by programming > PIO0 during reset. > > This patch reimplements NV mode selection such that... > > * BIOS configuration value is stored during driver attach and restored > on detach. > > * Cable type is fixed to ATA_CBL_PATA_IGN and mode selection is soley > done by nv_mode_filter() which peeks both BIOS and ACPI > configurations and filter accordingly. > > Signed-off-by: Tejun Heo <[EMAIL PROTECTED]> > Cc: Alan Cox <[EMAIL PROTECTED]> Acked-by: Alan Cox <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
