On 10/30/2012 02:11 AM, James Bottomley wrote: > 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 ... I remembered I tested this, and I just tested the compile again, with the CONFIG_SATA_ZPODD both on and off, and it didn't have any compile issue, so I'm not sure if this is a problem... -Aaron > > 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 > > -- 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
