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path: root/drivers/ide/ide-acpi.c
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2007-10-20ide: fix ->data_phase in taskfile_load_raw()Bartlomiej Zolnierkiewicz
It should be TASKFILE_NO_DATA, not TASKFILE_IN. Luckily ATM ->data_phase is unused if ->command_type == IDE_DRIVE_TASK_NO_DATA but this may change in the future. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13ide: unexport ide_acpi_set_stateAdrian Bunk
This patch removes the unused EXPORT_SYMBOL_GPL(ide_acpi_set_state) Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Shaohua Li <shaohua.li@intel.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-11ide: hook ACPI _PSx method to IDE power on/offShaohua Li
ACPI spec defines the sequence of IDE power on/off: Powering down: Call _GTM. Power down drive (calls _PS3 method and turns off power planes). Powering up: Power up drive (calls _PS0 method if present and turns on power planes). Call _STM passing info from _GTM (possibly modified), with ID data from each drive. Initialize the channel. May modify the results of _GTF. For each drive: Call _GTF. Execute task file (possibly modified). This patch adds the missed _PS0/_PS3 methods call. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-02-07ide-acpi support warning fixAndrew Morton
drivers/ide/ide-acpi.c: In function 'ide_acpi_get_timing': drivers/ide/ide-acpi.c:537: warning: format '%x' expects type 'unsigned int', but argument 4 has type 'long unsigned int' Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-02-07ACPI support for IDE devicesHannes Reinecke
This patch implements ACPI integration for generic IDE devices. The ACPI spec mandates that some methods are called during suspend and resume. And consequently there most modern Laptops cannot resume properly without it. According to the spec, we should call '_GTM' (Get Timing) upon suspend to store the current IDE adapter settings. Upon resume we should call '_STM' (Set Timing) to initialize the adapter with the stored settings; afterwards '_GTF' (Get Taskfile) should be called which returns a buffer with some IDE initialisation commands. Those commands should be passed to the drive. There are two module params which control the behaviour of this patch: 'ide=noacpi' Do not call any ACPI methods (Disables any ACPI method calls) 'ide=acpigtf' Enable execution of _GTF methods upon resume. Has no effect if 'ide=noacpi' is set. 'ide=acpionboot' Enable execution of ACPI methods during boot. This might be required on some machines if 'ide=acpigtf' is selected as some machines modify the _GTF information depending on the drive identification passed down with _STM. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>