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...@intel.com>
---
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
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