From patchwork Wed Nov 21 11:50:31 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v10,02/10] libata: Add CONFIG_SATA_ZPODD Date: Wed, 21 Nov 2012 01:50:31 -0000 From: Aaron Lu X-Patchwork-Id: 200653 Message-Id: <1353498639-27631-3-git-send-email-aaron.lu@intel.com> To: Jeff Garzik , Tejun Heo , "Rafael J. Wysocki" , Alan Stern Cc: James Bottomley , Jeff Wu , Aaron Lu , linux-ide@vger.kernel.org, linux-linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org Added a new config CONFIG_SATA_ZPODD, which is used to support SATA based zero power ODD, and depends on ATA_ACPI. Signed-off-by: Aaron Lu --- drivers/ata/Kconfig | 13 +++++++++++++ drivers/ata/Makefile | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index e08d322..996d16c 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -58,6 +58,19 @@ 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 ATA_ACPI + 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). + + If unsure, say N. + config SATA_PMP bool "SATA Port Multiplier support" default y diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 9329daf..85e3de4 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-$(CONFIG_ATA_ACPI) += libata-acpi.o +libata-$(CONFIG_SATA_ZPODD) += libata-zpodd.o