diff options
| author |   Madalin Bucur <madalin.bucur@nxp.com> | 2019-10-31 16:37:58 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-31 12:13:34 -0700 |
| commit | a2d00f3db73dc4f6f6afcc95c1db809ea9019306 (patch) | |
| tree | 2eae9cd0d87616c359dfcc149f41344fa1921d6e /include/soc | |
| parent | dpaa_eth: extend delays in ndo_stop (diff) | |
| download | linux-dev-a2d00f3db73dc4f6f6afcc95c1db809ea9019306.tar.xz linux-dev-a2d00f3db73dc4f6f6afcc95c1db809ea9019306.zip | |
soc: fsl: qbman: allow registering a device link for the portal user
Introduce the API required to make sure that the devices that use
the QMan portal are unbound when the portal is unbound.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/soc')
| -rw-r--r-- | include/soc/fsl/qman.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/soc/fsl/qman.h b/include/soc/fsl/qman.h index aa31c05a103a..c499c5cfa7c9 100644 --- a/include/soc/fsl/qman.h +++ b/include/soc/fsl/qman.h @@ -32,6 +32,7 @@ #define __FSL_QMAN_H #include <linux/bitops.h> +#include <linux/device.h> /* Hardware constants */ #define QM_CHANNEL_SWPORTAL0 0 @@ -915,6 +916,23 @@ u16 qman_affine_channel(int cpu); struct qman_portal *qman_get_affine_portal(int cpu); /** + * qman_start_using_portal - register a device link for the portal user + * @p: the portal that will be in use + * @dev: the device that will use the portal + * + * Makes sure that the devices that use the portal are unbound when the + * portal is unbound + */ +int qman_start_using_portal(struct qman_portal *p, struct device *dev); + +/** + * qman_stop_using_portal - deregister a device link for the portal user + * @p: the portal that will no longer be in use + * @dev: the device that uses the portal + */ +void qman_stop_using_portal(struct qman_portal *p, struct device *dev); + +/** * qman_p_poll_dqrr - process DQRR (fast-path) entries * @limit: the maximum number of DQRR entries to process * |