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SubjectRe: 2.6.22-rc4-mm2: Resume from RAM on HPC nx6325 broken
Date

On the second thought...

On Monday 11 June 2007, Bartlomiej Zolnierkiewicz wrote:

> I find it hard to accept that IDE patch is to blame for that. ;)

Arrgghhh :) It looks more likely now...

> --- a/drivers/ide/ide.c
> +++ b/drivers/ide/ide.c
> @@ -1010,9 +1010,11 @@ static int generic_ide_resume(struct dev
> {
> ide_drive_t *drive = dev->driver_data;
> ide_hwif_t *hwif = HWIF(drive);
> + ide_driver_t *drv = to_ide_driver(dev->driver);
> struct request rq;
> struct request_pm_state rqpm;
> ide_task_t args;
> + int err;
>
> /* Call ACPI _STM only once */
> if (!(drive->dn % 2))
> @@ -1029,7 +1031,12 @@ static int generic_ide_resume(struct dev
> rqpm.pm_step = ide_pm_state_start_resume;
> rqpm.pm_state = PM_EVENT_ON;
>
> - return ide_do_drive_cmd(drive, &rq, ide_head_wait);
> + err = ide_do_drive_cmd(drive, &rq, ide_head_wait);
> +
> + if (err == 0 && drv && drv->resume)

Could you try replacing this by

if (err == 0 && dev->driver && drv->resume)
and see if it fixes the problem?

If dev->driver is NULL drv won't be because to_ide_driver() is just
a wrapper for container_of().

Thanks,
Bart
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