diff options
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_init_chip.c | 45 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_stats.c | 2 |
2 files changed, 35 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c index 72caa9f091f..7045ba68949 100644 --- a/drivers/infiniband/hw/ipath/ipath_init_chip.c +++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c @@ -216,6 +216,20 @@ static int bringup_link(struct ipath_devdata *dd) return ret; } +static struct ipath_portdata *create_portdata0(struct ipath_devdata *dd) +{ + struct ipath_portdata *pd = NULL; + + pd = kzalloc(sizeof(*pd), GFP_KERNEL); + if (pd) { + pd->port_dd = dd; + pd->port_cnt = 1; + /* The port 0 pkey table is used by the layer interface. */ + pd->port_pkeys[0] = IPATH_DEFAULT_P_KEY; + } + return pd; +} + static int init_chip_first(struct ipath_devdata *dd, struct ipath_portdata **pdp) { @@ -271,20 +285,16 @@ static int init_chip_first(struct ipath_devdata *dd, goto done; } - dd->ipath_pd[0] = kzalloc(sizeof(*pd), GFP_KERNEL); + pd = create_portdata0(dd); - if (!dd->ipath_pd[0]) { + if (!pd) { ipath_dev_err(dd, "Unable to allocate portdata for port " "0, failing\n"); ret = -ENOMEM; goto done; } - pd = dd->ipath_pd[0]; - pd->port_dd = dd; - pd->port_port = 0; - pd->port_cnt = 1; - /* The port 0 pkey table is used by the layer interface. */ - pd->port_pkeys[0] = IPATH_DEFAULT_P_KEY; + dd->ipath_pd[0] = pd; + dd->ipath_rcvtidcnt = ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvtidcnt); dd->ipath_rcvtidbase = @@ -838,11 +848,24 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit) * Set up the port 0 (kernel) rcvhdr q and egr TIDs. If doing * re-init, the simplest way to handle this is to free * existing, and re-allocate. + * Need to re-create rest of port 0 portdata as well. */ if (reinit) { - struct ipath_portdata *pd = dd->ipath_pd[0]; - dd->ipath_pd[0] = NULL; - ipath_free_pddata(dd, pd); + /* Alloc and init new ipath_portdata for port0, + * Then free old pd. Could lead to fragmentation, but also + * makes later support for hot-swap easier. + */ + struct ipath_portdata *npd; + npd = create_portdata0(dd); + if (npd) { + ipath_free_pddata(dd, pd); + dd->ipath_pd[0] = pd = npd; + } else { + ipath_dev_err(dd, "Unable to allocate portdata for" + " port 0, failing\n"); + ret = -ENOMEM; + goto done; + } } dd->ipath_f_tidtemplate(dd); ret = ipath_create_rcvhdrq(dd, pd); diff --git a/drivers/infiniband/hw/ipath/ipath_stats.c b/drivers/infiniband/hw/ipath/ipath_stats.c index a627342a969..9307f7187ca 100644 --- a/drivers/infiniband/hw/ipath/ipath_stats.c +++ b/drivers/infiniband/hw/ipath/ipath_stats.c @@ -207,7 +207,7 @@ void ipath_get_faststats(unsigned long opaque) * don't access the chip while running diags, or memory diags can * fail */ - if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT) || + if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_INITTED) || ipath_diag_inuse) /* but re-arm the timer, for diags case; won't hurt other */ goto done; |