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| author | Claudiu Manoil <claudiu.manoil@nxp.com> | 2016-11-16 16:40:29 +0200 |
|---|---|---|
| committer | Scott Wood <oss@buserror.net> | 2016-11-23 01:23:49 -0600 |
| commit | 496bfa11de2e6805b63168d45c2f92edbeae54e2 (patch) | |
| tree | 14cfa18cc5eb54f82ddb2144c91203aa94977e44 /drivers/soc/fsl | |
| parent | efe848cdb724be2d0cc61f6329997f9a7cd7948f (diff) | |
| download | linux-0-day-496bfa11de2e6805b63168d45c2f92edbeae54e2.tar.gz linux-0-day-496bfa11de2e6805b63168d45c2f92edbeae54e2.tar.xz | |
soc/qman: Clean up CGR CSCN target update operations
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Diffstat (limited to 'drivers/soc/fsl')
| -rw-r--r-- | drivers/soc/fsl/qbman/qman.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index 8386acc1d37d2..acee99da71a78 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -2248,7 +2248,23 @@ out: } #define PORTAL_IDX(n) (n->config->channel - QM_CHANNEL_SWPORTAL0) -#define TARG_MASK(n) (BIT(31) >> PORTAL_IDX(n)) + +/* congestion state change notification target update control */ +static void qm_cgr_cscn_targ_set(struct __qm_mc_cgr *cgr, int pi, u32 val) +{ + if (qman_ip_rev >= QMAN_REV30) + cgr->cscn_targ_upd_ctrl = QM_CGR_TARG_UDP_CTRL_WRITE_BIT | pi; + else + cgr->cscn_targ = val | QM_CGR_TARG_PORTAL(pi); +} + +static void qm_cgr_cscn_targ_clear(struct __qm_mc_cgr *cgr, int pi, u32 val) +{ + if (qman_ip_rev >= QMAN_REV30) + cgr->cscn_targ_upd_ctrl = pi; + else + cgr->cscn_targ = val & ~QM_CGR_TARG_PORTAL(pi); +} static u8 qman_cgr_cpus[CGR_NUM]; @@ -2298,13 +2314,8 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags, if (ret) goto out; - if ((qman_ip_rev & 0xFF00) >= QMAN_REV30) - local_opts.cgr.cscn_targ_upd_ctrl = - QM_CGR_TARG_UDP_CTRL_WRITE_BIT | PORTAL_IDX(p); - else - /* Overwrite TARG */ - local_opts.cgr.cscn_targ = cgr_state.cgr.cscn_targ | - TARG_MASK(p); + qm_cgr_cscn_targ_set(&local_opts.cgr, PORTAL_IDX(p), + cgr_state.cgr.cscn_targ); local_opts.we_mask |= QM_CGR_WE_CSCN_TARG; /* send init if flags indicate so */ @@ -2371,13 +2382,11 @@ int qman_delete_cgr(struct qman_cgr *cgr) list_add(&cgr->node, &p->cgr_cbs); goto release_lock; } - /* Overwrite TARG */ + local_opts.we_mask = QM_CGR_WE_CSCN_TARG; - if ((qman_ip_rev & 0xFF00) >= QMAN_REV30) - local_opts.cgr.cscn_targ_upd_ctrl = PORTAL_IDX(p); - else - local_opts.cgr.cscn_targ = cgr_state.cgr.cscn_targ & - ~(TARG_MASK(p)); + qm_cgr_cscn_targ_clear(&local_opts.cgr, PORTAL_IDX(p), + cgr_state.cgr.cscn_targ); + ret = qm_modify_cgr(cgr, 0, &local_opts); if (ret) /* add back to the list */ |