From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Lu Subject: [PATCH v12 6/9] libata: expose pm qos flags for ata device Date: Thu, 10 Jan 2013 17:24:27 +0800 Message-ID: <1357809870-18816-7-git-send-email-aaron.lu@intel.com> References: <1357809870-18816-1-git-send-email-aaron.lu@intel.com> Return-path: In-Reply-To: <1357809870-18816-1-git-send-email-aaron.lu@intel.com> Sender: linux-scsi-owner@vger.kernel.org To: Jeff Garzik , James Bottomley , "Rafael J. Wysocki" , Alan Stern , Tejun Heo Cc: Aaron Lu , Jeff Wu , linux-ide@vger.kernel.org, linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-acpi@vger.kernel.org, Aaron Lu List-Id: linux-pm@vger.kernel.org Expose pm qos flags to user space so that user has a chance to disable ZPODD feature, if he/she has a broken platform or devices or simply does not like this feature. This flag is exposed to user space only for ZPODD devices. Signed-off-by: Aaron Lu --- drivers/ata/libata-acpi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 6f72c64..9709449 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include "libata.h" @@ -1022,6 +1023,8 @@ static void ata_acpi_unregister_power_resource(struct ata_device *dev) void ata_acpi_bind(struct ata_device *dev) { ata_acpi_register_power_resource(dev); + if (zpodd_dev_enabled(dev)) + dev_pm_qos_expose_flags(&dev->sdev->sdev_gendev, 0); } void ata_acpi_unbind(struct ata_device *dev) -- 1.7.11.7