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| 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 /drivers | |
| parent | e414696d49521b9ceb7734e037d5aa18ef92d8a3 (diff) | |
| download | linux-a2d00f3db73dc4f6f6afcc95c1db809ea9019306.tar.gz linux-a2d00f3db73dc4f6f6afcc95c1db809ea9019306.tar.bz2 linux-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 'drivers')
| -rw-r--r-- | drivers/soc/fsl/qbman/qman.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index bf68d86d80ee..bc75a5882b9e 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -1749,6 +1749,19 @@ struct qman_portal *qman_get_affine_portal(int cpu) } EXPORT_SYMBOL(qman_get_affine_portal); +int qman_start_using_portal(struct qman_portal *p, struct device *dev) +{ + return (!device_link_add(dev, p->config->dev, + DL_FLAG_AUTOREMOVE_CONSUMER)) ? -EINVAL : 0; +} +EXPORT_SYMBOL(qman_start_using_portal); + +void qman_stop_using_portal(struct qman_portal *p, struct device *dev) +{ + device_link_remove(dev, p->config->dev); +} +EXPORT_SYMBOL(qman_stop_using_portal); + int qman_p_poll_dqrr(struct qman_portal *p, unsigned int limit) { return __poll_portal_fast(p, limit); |