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. 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 -- 1.7.12.4 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
