Re: [PATCH v8 02/11] ata: zpodd: Add CONFIG_SATA_ZPODD

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On Mon, 2012-10-29 at 17:01 +0800, Aaron Lu wrote:
> Added a new config CONFIG_SATA_ZPODD, which is ued to support
> SATA based zero power ODD. It depends on ACPI, and selects BLK_DEV_SR
> as the implementation of ZPODD depends on SCSI sr driver.
> 
> 2 new files are added, which will be used to host ZPODD related code.
> They are empty for this commit.

I think you actually need to combine this with patch 3 to have it
compile ...

James


> Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx>
> ---
>  drivers/ata/Kconfig  | 12 ++++++++++++
>  drivers/ata/Makefile |  1 +
>  2 files changed, 13 insertions(+)
>  create mode 100644 drivers/ata/sata_zpodd.c
>  create mode 100644 drivers/ata/sata_zpodd.h
> 
> diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
> index e08d322..2cdecee 100644
> --- a/drivers/ata/Kconfig
> +++ b/drivers/ata/Kconfig
> @@ -58,6 +58,18 @@ config ATA_ACPI
>  	  You can disable this at kernel boot time by using the
>  	  option libata.noacpi=1
>  
> +config SATA_ZPODD
> +	bool "SATA Zero Power ODD Support"
> +	depends on ACPI
> +	select BLK_DEV_SR
> +	default n
> +	help
> +	  This option adds support for SATA ZPODD. It requires both
> +	  ODD and the platform support, and if enabled, will automatically
> +	  power on/off the ODD when certain condition is satisfied. This
> +	  does not impact user's experience of the ODD, only power is saved
> +	  when ODD is not in use(i.e. no disc inside).
> +
>  config SATA_PMP
>  	bool "SATA Port Multiplier support"
>  	default y
> diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
> index 9329daf..a5120ff 100644
> --- a/drivers/ata/Makefile
> +++ b/drivers/ata/Makefile
> @@ -107,3 +107,4 @@ libata-y	:= libata-core.o libata-scsi.o libata-eh.o libata-transport.o
>  libata-$(CONFIG_ATA_SFF)	+= libata-sff.o
>  libata-$(CONFIG_SATA_PMP)	+= libata-pmp.o
>  libata-$(CONFIG_ATA_ACPI)	+= libata-acpi.o
> +obj-$(CONFIG_SATA_ZPODD)	+= sata_zpodd.o
> diff --git a/drivers/ata/sata_zpodd.c b/drivers/ata/sata_zpodd.c
> new file mode 100644
> index 0000000..e69de29
> diff --git a/drivers/ata/sata_zpodd.h b/drivers/ata/sata_zpodd.h
> new file mode 100644
> index 0000000..e69de29


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