diff options
| author | Roy Pledge <roy.pledge@nxp.com> | 2019-08-01 20:17:01 +0000 |
|---|---|---|
| committer | Li Yang <leoyang.li@nxp.com> | 2019-08-15 16:41:53 -0500 |
| commit | ea2b8488baa705be44e7c7ac8a42d33fd31315b7 (patch) | |
| tree | 305cfdd9e82063514346bf22180e51d1b60341ff /drivers/soc/fsl/qbman/qman.c | |
| parent | 627da8bad530ec18c2111347fe559c5c21679220 (diff) | |
soc/fsl/qbman: Disable interrupts during portal recovery
Disable the QBMan interrupts during recovery.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Diffstat (limited to 'drivers/soc/fsl/qbman/qman.c')
| -rw-r--r-- | drivers/soc/fsl/qbman/qman.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index 29895044f04d..4a99ce5ce929 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -1070,6 +1070,20 @@ int qman_wq_alloc(void) return 0; } + +void qman_enable_irqs(void) +{ + int i; + + for (i = 0; i < num_possible_cpus(); i++) { + if (affine_portals[i]) { + qm_out(&affine_portals[i]->p, QM_REG_ISR, 0xffffffff); + qm_out(&affine_portals[i]->p, QM_REG_IIR, 0); + } + + } +} + /* * This is what everything can wait on, even if it migrates to a different cpu * to the one whose affine portal it is waiting on. @@ -1269,8 +1283,8 @@ static int qman_create_portal(struct qman_portal *portal, qm_out(p, QM_REG_ISDR, isdr); portal->irq_sources = 0; qm_out(p, QM_REG_IER, 0); - qm_out(p, QM_REG_ISR, 0xffffffff); snprintf(portal->irqname, MAX_IRQNAME, IRQNAME, c->cpu); + qm_out(p, QM_REG_IIR, 1); if (request_irq(c->irq, portal_isr, 0, portal->irqname, portal)) { dev_err(c->dev, "request_irq() failed\n"); goto fail_irq; @@ -1290,7 +1304,7 @@ static int qman_create_portal(struct qman_portal *portal, isdr &= ~(QM_PIRQ_DQRI | QM_PIRQ_MRI); qm_out(p, QM_REG_ISDR, isdr); if (qm_dqrr_current(p)) { - dev_err(c->dev, "DQRR unclean\n"); + dev_dbg(c->dev, "DQRR unclean\n"); qm_dqrr_cdc_consume_n(p, 0xffff); } if (qm_mr_current(p) && drain_mr_fqrni(p)) { @@ -1303,8 +1317,10 @@ static int qman_create_portal(struct qman_portal *portal, } /* Success */ portal->config = c; + qm_out(p, QM_REG_ISR, 0xffffffff); qm_out(p, QM_REG_ISDR, 0); - qm_out(p, QM_REG_IIR, 0); + if (!qman_requires_cleanup()) + qm_out(p, QM_REG_IIR, 0); /* Write a sane SDQCR */ qm_dqrr_sdqcr_set(p, portal->sdqcr); return 0; |