From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Lu Subject: [PATCH 4/4] libata: acpi: respect may_power_off flag Date: Thu, 30 Aug 2012 14:40:18 +0800 Message-ID: <1346308818-27039-5-git-send-email-aaron.lu@intel.com> References: <1346308818-27039-1-git-send-email-aaron.lu@intel.com> Return-path: In-Reply-To: <1346308818-27039-1-git-send-email-aaron.lu@intel.com> Sender: linux-acpi-owner@vger.kernel.org To: Jeff Garzik , "James E.J. Bottomley" Cc: linux-ide@vger.kernel.org, linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org, Aaron Lu , Aaron Lu List-Id: linux-ide@vger.kernel.org If user does not want the device being powered off when runtime suspended by setting may_power_off flag to 0, we will not choose D3 cold ACPI D-State for it in sata_acpi_set_state. Signed-off-by: Aaron Lu --- drivers/ata/libata-acpi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 67a696f..90c42a0 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -848,7 +848,9 @@ static void sata_acpi_set_state(struct ata_port *ap, pm_message_t state) if (state.event == PM_EVENT_AUTO_SUSPEND) { acpi_state = acpi_pm_device_sleep_state( - &dev->sdev->sdev_gendev, NULL, ACPI_STATE_D3); + &dev->sdev->sdev_gendev, NULL, + dev->sdev->may_power_off ? + ACPI_STATE_D3_COLD : ACPI_STATE_D3_HOT); if (acpi_state > 0) acpi_bus_set_power(handle, acpi_state); acpi_pm_device_run_wake(&dev->sdev->sdev_gendev, true); -- 1.7.11.5