aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ipq806x/patches/0115-ahci-platform-Library-ise-suspend-resume-functionali.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ipq806x/patches/0115-ahci-platform-Library-ise-suspend-resume-functionali.patch')
-rw-r--r--target/linux/ipq806x/patches/0115-ahci-platform-Library-ise-suspend-resume-functionali.patch173
1 files changed, 0 insertions, 173 deletions
diff --git a/target/linux/ipq806x/patches/0115-ahci-platform-Library-ise-suspend-resume-functionali.patch b/target/linux/ipq806x/patches/0115-ahci-platform-Library-ise-suspend-resume-functionali.patch
deleted file mode 100644
index 8cc7d7acc9..0000000000
--- a/target/linux/ipq806x/patches/0115-ahci-platform-Library-ise-suspend-resume-functionali.patch
+++ /dev/null
@@ -1,173 +0,0 @@
-From 8121ed9c7ea2d56f5e0a98c2db396214f85d7485 Mon Sep 17 00:00:00 2001
-From: Hans de Goede <hdegoede@redhat.com>
-Date: Sat, 22 Feb 2014 16:53:35 +0100
-Subject: [PATCH 115/182] ahci-platform: "Library-ise" suspend / resume
- functionality
-
-Split suspend / resume code into host suspend / resume functionality and
-resource enable / disabling phases, and export the new suspend_ / resume_host
-functions.
-
-tj: Minor comment formatting updates.
-
-Signed-off-by: Hans de Goede <hdegoede@redhat.com>
-Signed-off-by: Tejun Heo <tj@kernel.org>
----
- drivers/ata/ahci_platform.c | 97 ++++++++++++++++++++++++++++++++++-------
- include/linux/ahci_platform.h | 5 +++
- 2 files changed, 87 insertions(+), 15 deletions(-)
-
---- a/drivers/ata/ahci_platform.c
-+++ b/drivers/ata/ahci_platform.c
-@@ -432,14 +432,23 @@ static void ahci_host_stop(struct ata_ho
- }
-
- #ifdef CONFIG_PM_SLEEP
--static int ahci_suspend(struct device *dev)
-+/**
-+ * ahci_platform_suspend_host - Suspend an ahci-platform host
-+ * @dev: device pointer for the host
-+ *
-+ * This function does all the usual steps needed to suspend an
-+ * ahci-platform host, note any necessary resources (ie clks, phy, etc.)
-+ * must be disabled after calling this.
-+ *
-+ * RETURNS:
-+ * 0 on success otherwise a negative error code
-+ */
-+int ahci_platform_suspend_host(struct device *dev)
- {
-- struct ahci_platform_data *pdata = dev_get_platdata(dev);
- struct ata_host *host = dev_get_drvdata(dev);
- struct ahci_host_priv *hpriv = host->private_data;
- void __iomem *mmio = hpriv->mmio;
- u32 ctl;
-- int rc;
-
- if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
- dev_err(dev, "firmware update required for suspend/resume\n");
-@@ -456,7 +465,58 @@ static int ahci_suspend(struct device *d
- writel(ctl, mmio + HOST_CTL);
- readl(mmio + HOST_CTL); /* flush */
-
-- rc = ata_host_suspend(host, PMSG_SUSPEND);
-+ return ata_host_suspend(host, PMSG_SUSPEND);
-+}
-+EXPORT_SYMBOL_GPL(ahci_platform_suspend_host);
-+
-+/**
-+ * ahci_platform_resume_host - Resume an ahci-platform host
-+ * @dev: device pointer for the host
-+ *
-+ * This function does all the usual steps needed to resume an ahci-platform
-+ * host, note any necessary resources (ie clks, phy, etc.) must be
-+ * initialized / enabled before calling this.
-+ *
-+ * RETURNS:
-+ * 0 on success otherwise a negative error code
-+ */
-+int ahci_platform_resume_host(struct device *dev)
-+{
-+ struct ata_host *host = dev_get_drvdata(dev);
-+ int rc;
-+
-+ if (dev->power.power_state.event == PM_EVENT_SUSPEND) {
-+ rc = ahci_reset_controller(host);
-+ if (rc)
-+ return rc;
-+
-+ ahci_init_controller(host);
-+ }
-+
-+ ata_host_resume(host);
-+
-+ return 0;
-+}
-+EXPORT_SYMBOL_GPL(ahci_platform_resume_host);
-+
-+/**
-+ * ahci_platform_suspend - Suspend an ahci-platform device
-+ * @dev: the platform device to suspend
-+ *
-+ * This function suspends the host associated with the device, followed by
-+ * disabling all the resources of the device.
-+ *
-+ * RETURNS:
-+ * 0 on success otherwise a negative error code
-+ */
-+int ahci_platform_suspend(struct device *dev)
-+{
-+ struct ahci_platform_data *pdata = dev_get_platdata(dev);
-+ struct ata_host *host = dev_get_drvdata(dev);
-+ struct ahci_host_priv *hpriv = host->private_data;
-+ int rc;
-+
-+ rc = ahci_platform_suspend_host(dev);
- if (rc)
- return rc;
-
-@@ -467,8 +527,19 @@ static int ahci_suspend(struct device *d
-
- return 0;
- }
-+EXPORT_SYMBOL_GPL(ahci_platform_suspend);
-
--static int ahci_resume(struct device *dev)
-+/**
-+ * ahci_platform_resume - Resume an ahci-platform device
-+ * @dev: the platform device to resume
-+ *
-+ * This function enables all the resources of the device followed by
-+ * resuming the host associated with the device.
-+ *
-+ * RETURNS:
-+ * 0 on success otherwise a negative error code
-+ */
-+int ahci_platform_resume(struct device *dev)
- {
- struct ahci_platform_data *pdata = dev_get_platdata(dev);
- struct ata_host *host = dev_get_drvdata(dev);
-@@ -485,15 +556,9 @@ static int ahci_resume(struct device *de
- goto disable_resources;
- }
-
-- if (dev->power.power_state.event == PM_EVENT_SUSPEND) {
-- rc = ahci_reset_controller(host);
-- if (rc)
-- goto disable_resources;
--
-- ahci_init_controller(host);
-- }
--
-- ata_host_resume(host);
-+ rc = ahci_platform_resume_host(dev);
-+ if (rc)
-+ goto disable_resources;
-
- return 0;
-
-@@ -502,9 +567,11 @@ disable_resources:
-
- return rc;
- }
-+EXPORT_SYMBOL_GPL(ahci_platform_resume);
- #endif
-
--static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_suspend, ahci_resume);
-+static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
-+ ahci_platform_resume);
-
- static const struct of_device_id ahci_of_match[] = {
- { .compatible = "snps,spear-ahci", },
---- a/include/linux/ahci_platform.h
-+++ b/include/linux/ahci_platform.h
-@@ -50,4 +50,9 @@ int ahci_platform_init_host(struct platf
- unsigned int force_port_map,
- unsigned int mask_port_map);
-
-+int ahci_platform_suspend_host(struct device *dev);
-+int ahci_platform_resume_host(struct device *dev);
-+int ahci_platform_suspend(struct device *dev);
-+int ahci_platform_resume(struct device *dev);
-+
- #endif /* _AHCI_PLATFORM_H */