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qcacld-3.0: Modify DSC trans assert to check ancestors

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Currently, APIs in the dsc_*_trans_assert() family assert a transition
is in flight on the given node itself. Instead, replace this API family
with another, dsc_*_assert_trans_protected(), which assert a
transition is in flight on the given node or any of its ancestors.

Change-Id: I5fb07000f955a49a4e5529806f4e49d9dbc8acb7
CRs-Fixed: 2347789
This commit is contained in:
Dustin Brown
2018-11-09 14:50:45 -08:00
committed by nshrivas
parent 985fd0a1b9
commit 8a1278d37b
6 changed files with 28 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
dsc/inc/wlan_dsc_driver.h
View File

@@ -96,12 +96,13 @@ dsc_driver_trans_start_wait(struct dsc_driver *driver, const char *desc);
void dsc_driver_trans_stop(struct dsc_driver *driver);
/**
* dsc_driver_trans_assert() - assert transition in flight on @driver
* @driver: the driver to assert transition in flight on
* dsc_driver_assert_trans_protected() - assert @driver is protected by a
* transition
* @driver: the driver to check
*
* Return: None
*/
void dsc_driver_trans_assert(struct dsc_driver *driver);
void dsc_driver_assert_trans_protected(struct dsc_driver *driver);
/**
* dsc_driver_op_start() - start an operation on @driver

8
dsc/inc/wlan_dsc_psoc.h
View File

@@ -101,12 +101,14 @@ QDF_STATUS dsc_psoc_trans_start_wait(struct dsc_psoc *psoc, const char *desc);
void dsc_psoc_trans_stop(struct dsc_psoc *psoc);
/**
* dsc_psoc_trans_assert() - assert transition in flight on @psoc
* @psoc: the psoc to assert transition in flight on
* dsc_psoc_assert_trans_protected() - assert @psoc is protected by a transition
* @psoc: the psoc to check
*
* The protecting transition may be in flight on @psoc or its parent.
*
* Return: None
*/
void dsc_psoc_trans_assert(struct dsc_psoc *psoc);
void dsc_psoc_assert_trans_protected(struct dsc_psoc *psoc);
/**
* dsc_psoc_op_start() - start an operation on @psoc

8
dsc/inc/wlan_dsc_vdev.h
View File

@@ -99,12 +99,14 @@ QDF_STATUS dsc_vdev_trans_start_wait(struct dsc_vdev *vdev, const char *desc);
void dsc_vdev_trans_stop(struct dsc_vdev *vdev);
/**
* dsc_vdev_trans_assert() - assert transition in flight on @vdev
* @vdev: the vdev to assert transition in flight on
* dsc_vdev_assert_trans_protected() - assert @vdev is protected by a transition
* @vdev: the vdev to check
*
* The protecting transition may be in flight on @vdev or its ancestors.
*
* Return: None
*/
void dsc_vdev_trans_assert(struct dsc_vdev *vdev);
void dsc_vdev_assert_trans_protected(struct dsc_vdev *vdev);
/**
* dsc_vdev_op_start() - start an operation on @vdev

6
dsc/src/wlan_dsc_driver.c
View File

@@ -271,7 +271,7 @@ void dsc_driver_trans_stop(struct dsc_driver *driver)
dsc_exit();
}
static void __dsc_driver_trans_assert(struct dsc_driver *driver)
static void __dsc_driver_assert_trans_protected(struct dsc_driver *driver)
{
if (!dsc_assert(driver))
return;
@@ -281,10 +281,10 @@ static void __dsc_driver_trans_assert(struct dsc_driver *driver)
__dsc_unlock(driver);
}
void dsc_driver_trans_assert(struct dsc_driver *driver)
void dsc_driver_assert_trans_protected(struct dsc_driver *driver)
{
dsc_enter();
__dsc_driver_trans_assert(driver);
__dsc_driver_assert_trans_protected(driver);
dsc_exit();
}

9
dsc/src/wlan_dsc_psoc.c
View File

@@ -260,20 +260,21 @@ void dsc_psoc_trans_stop(struct dsc_psoc *psoc)
dsc_exit();
}
static void __dsc_psoc_trans_assert(struct dsc_psoc *psoc)
static void __dsc_psoc_assert_trans_protected(struct dsc_psoc *psoc)
{
if (!dsc_assert(psoc))
return;
__dsc_driver_lock(psoc);
dsc_assert(__dsc_trans_active(&psoc->trans));
dsc_assert(__dsc_trans_active(&psoc->trans) ||
__dsc_trans_active(&psoc->driver->trans));
__dsc_driver_unlock(psoc);
}
void dsc_psoc_trans_assert(struct dsc_psoc *psoc)
void dsc_psoc_assert_trans_protected(struct dsc_psoc *psoc)
{
dsc_enter();
__dsc_psoc_trans_assert(psoc);
__dsc_psoc_assert_trans_protected(psoc);
dsc_exit();
}

10
dsc/src/wlan_dsc_vdev.c
View File

@@ -231,20 +231,22 @@ void dsc_vdev_trans_stop(struct dsc_vdev *vdev)
dsc_exit();
}
static void __dsc_vdev_trans_assert(struct dsc_vdev *vdev)
static void __dsc_vdev_assert_trans_protected(struct dsc_vdev *vdev)
{
if (!dsc_assert(vdev))
return;
__dsc_driver_lock(vdev);
dsc_assert(__dsc_trans_active(&vdev->trans));
dsc_assert(__dsc_trans_active(&vdev->trans) ||
__dsc_trans_active(&vdev->psoc->trans) ||
__dsc_trans_active(&vdev->psoc->driver->trans));
__dsc_driver_unlock(vdev);
}
void dsc_vdev_trans_assert(struct dsc_vdev *vdev)
void dsc_vdev_assert_trans_protected(struct dsc_vdev *vdev)
{
dsc_enter();
__dsc_vdev_trans_assert(vdev);
__dsc_vdev_assert_trans_protected(vdev);
dsc_exit();
}