diff options
-rw-r--r-- | drivers/infiniband/hw/qib/qib.h | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_7322_regs.h | 48 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_diag.c | 19 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_iba6120.c | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_iba7322.c | 43 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_init.c | 21 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_pcie.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/qib/qib_tx.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 4 |
9 files changed, 106 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h index 32d9208efcff..3593983df7ba 100644 --- a/drivers/infiniband/hw/qib/qib.h +++ b/drivers/infiniband/hw/qib/qib.h @@ -686,6 +686,7 @@ struct qib_devdata { void __iomem *piobase; /* mem-mapped pointer to base of user chip regs (if using WC PAT) */ u64 __iomem *userbase; + void __iomem *piovl15base; /* base of VL15 buffers, if not WC */ /* * points to area where PIOavail registers will be DMA'ed. * Has to be on a page of it's own, because the page will be diff --git a/drivers/infiniband/hw/qib/qib_7322_regs.h b/drivers/infiniband/hw/qib/qib_7322_regs.h index a97440ba924c..32dc81ff8d4a 100644 --- a/drivers/infiniband/hw/qib/qib_7322_regs.h +++ b/drivers/infiniband/hw/qib/qib_7322_regs.h @@ -742,15 +742,15 @@ #define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_1_LSB 0xF #define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_1_MSB 0xF #define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_1_RMASK 0x1 -#define QIB_7322_HwErrMask_statusValidNoEopMask_1_LSB 0xE -#define QIB_7322_HwErrMask_statusValidNoEopMask_1_MSB 0xE -#define QIB_7322_HwErrMask_statusValidNoEopMask_1_RMASK 0x1 +#define QIB_7322_HwErrMask_IBCBusToSPCParityErrMask_1_LSB 0xE +#define QIB_7322_HwErrMask_IBCBusToSPCParityErrMask_1_MSB 0xE +#define QIB_7322_HwErrMask_IBCBusToSPCParityErrMask_1_RMASK 0x1 #define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_0_LSB 0xD #define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_0_MSB 0xD #define QIB_7322_HwErrMask_IBCBusFromSPCParityErrMask_0_RMASK 0x1 -#define QIB_7322_HwErrMask_statusValidNoEopMask_0_LSB 0xC -#define QIB_7322_HwErrMask_statusValidNoEopMask_0_MSB 0xC -#define QIB_7322_HwErrMask_statusValidNoEopMask_0_RMASK 0x1 +#define QIB_7322_HwErrMask_statusValidNoEopMask_LSB 0xC +#define QIB_7322_HwErrMask_statusValidNoEopMask_MSB 0xC +#define QIB_7322_HwErrMask_statusValidNoEopMask_RMASK 0x1 #define QIB_7322_HwErrMask_LATriggeredMask_LSB 0xB #define QIB_7322_HwErrMask_LATriggeredMask_MSB 0xB #define QIB_7322_HwErrMask_LATriggeredMask_RMASK 0x1 @@ -796,15 +796,15 @@ #define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_1_LSB 0xF #define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_1_MSB 0xF #define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_1_RMASK 0x1 -#define QIB_7322_HwErrStatus_statusValidNoEop_1_LSB 0xE -#define QIB_7322_HwErrStatus_statusValidNoEop_1_MSB 0xE -#define QIB_7322_HwErrStatus_statusValidNoEop_1_RMASK 0x1 +#define QIB_7322_HwErrStatus_IBCBusToSPCParityErr_1_LSB 0xE +#define QIB_7322_HwErrStatus_IBCBusToSPCParityErr_1_MSB 0xE +#define QIB_7322_HwErrStatus_IBCBusToSPCParityErr_1_RMASK 0x1 #define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_0_LSB 0xD #define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_0_MSB 0xD #define QIB_7322_HwErrStatus_IBCBusFromSPCParityErr_0_RMASK 0x1 -#define QIB_7322_HwErrStatus_statusValidNoEop_0_LSB 0xC -#define QIB_7322_HwErrStatus_statusValidNoEop_0_MSB 0xC -#define QIB_7322_HwErrStatus_statusValidNoEop_0_RMASK 0x1 +#define QIB_7322_HwErrStatus_statusValidNoEop_LSB 0xC +#define QIB_7322_HwErrStatus_statusValidNoEop_MSB 0xC +#define QIB_7322_HwErrStatus_statusValidNoEop_RMASK 0x1 #define QIB_7322_HwErrStatus_LATriggered_LSB 0xB #define QIB_7322_HwErrStatus_LATriggered_MSB 0xB #define QIB_7322_HwErrStatus_LATriggered_RMASK 0x1 @@ -850,15 +850,15 @@ #define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_1_LSB 0xF #define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_1_MSB 0xF #define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_1_RMASK 0x1 -#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_1_LSB 0xE -#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_1_MSB 0xE -#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_1_RMASK 0x1 +#define QIB_7322_HwErrClear_IBCBusToSPCParityErrClear_1_LSB 0xE +#define QIB_7322_HwErrClear_IBCBusToSPCParityErrClear_1_MSB 0xE +#define QIB_7322_HwErrClear_IBCBusToSPCParityErrClear_1_RMASK 0x1 #define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_0_LSB 0xD #define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_0_MSB 0xD #define QIB_7322_HwErrClear_IBCBusFromSPCParityErrClear_0_RMASK 0x1 -#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_0_LSB 0xC -#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_0_MSB 0xC -#define QIB_7322_HwErrClear_IBCBusToSPCparityErrClear_0_RMASK 0x1 +#define QIB_7322_HwErrClear_statusValidNoEopClear_LSB 0xC +#define QIB_7322_HwErrClear_statusValidNoEopClear_MSB 0xC +#define QIB_7322_HwErrClear_statusValidNoEopClear_RMASK 0x1 #define QIB_7322_HwErrClear_LATriggeredClear_LSB 0xB #define QIB_7322_HwErrClear_LATriggeredClear_MSB 0xB #define QIB_7322_HwErrClear_LATriggeredClear_RMASK 0x1 @@ -880,15 +880,15 @@ #define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_1_LSB 0xF #define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_1_MSB 0xF #define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_1_RMASK 0x1 -#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_1_LSB 0xE -#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_1_MSB 0xE -#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_1_RMASK 0x1 +#define QIB_7322_HwDiagCtrl_ForceIBCBusToSPCParityErr_1_LSB 0xE +#define QIB_7322_HwDiagCtrl_ForceIBCBusToSPCParityErr_1_MSB 0xE +#define QIB_7322_HwDiagCtrl_ForceIBCBusToSPCParityErr_1_RMASK 0x1 #define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_0_LSB 0xD #define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_0_MSB 0xD #define QIB_7322_HwDiagCtrl_ForceIBCBusFromSPCParityErr_0_RMASK 0x1 -#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_0_LSB 0xC -#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_0_MSB 0xC -#define QIB_7322_HwDiagCtrl_ForcestatusValidNoEop_0_RMASK 0x1 +#define QIB_7322_HwDiagCtrl_ForceIBCBusToSPCParityErr_0_LSB 0xC +#define QIB_7322_HwDiagCtrl_ForceIBCBusToSPCParityErr_0_MSB 0xC +#define QIB_7322_HwDiagCtrl_ForceIBCBusToSPCParityErr_0_RMASK 0x1 #define QIB_7322_EXTStatus_OFFS 0xC0 #define QIB_7322_EXTStatus_DEF 0x000000000000X000 diff --git a/drivers/infiniband/hw/qib/qib_diag.c b/drivers/infiniband/hw/qib/qib_diag.c index ca98dd523752..05dcf0d9a7d3 100644 --- a/drivers/infiniband/hw/qib/qib_diag.c +++ b/drivers/infiniband/hw/qib/qib_diag.c @@ -233,6 +233,7 @@ static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset, u32 __iomem *krb32 = (u32 __iomem *)dd->kregbase; u32 __iomem *map = NULL; u32 cnt = 0; + u32 tot4k, offs4k; /* First, simplest case, offset is within the first map. */ kreglen = (dd->kregend - dd->kregbase) * sizeof(u64); @@ -250,7 +251,8 @@ static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset, if (dd->userbase) { /* If user regs mapped, they are after send, so set limit. */ u32 ulim = (dd->cfgctxts * dd->ureg_align) + dd->uregbase; - snd_lim = dd->uregbase; + if (!dd->piovl15base) + snd_lim = dd->uregbase; krb32 = (u32 __iomem *)dd->userbase; if (offset >= dd->uregbase && offset < ulim) { map = krb32 + (offset - dd->uregbase) / sizeof(u32); @@ -277,14 +279,14 @@ static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset, /* If 4k buffers exist, account for them by bumping * appropriate limit. */ + tot4k = dd->piobcnt4k * dd->align4k; + offs4k = dd->piobufbase >> 32; if (dd->piobcnt4k) { - u32 tot4k = dd->piobcnt4k * dd->align4k; - u32 offs4k = dd->piobufbase >> 32; if (snd_bottom > offs4k) snd_bottom = offs4k; else { /* 4k above 2k. Bump snd_lim, if needed*/ - if (!dd->userbase) + if (!dd->userbase || dd->piovl15base) snd_lim = offs4k + tot4k; } } @@ -298,6 +300,15 @@ static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset, cnt = snd_lim - offset; } + if (!map && offs4k && dd->piovl15base) { + snd_lim = offs4k + tot4k + 2 * dd->align4k; + if (offset >= (offs4k + tot4k) && offset < snd_lim) { + map = (u32 __iomem *)dd->piovl15base + + ((offset - (offs4k + tot4k)) / sizeof(u32)); + cnt = snd_lim - offset; + } + } + mapped: if (cntp) *cntp = cnt; diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index 1eadadc13da8..a5e29dbb9537 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -1355,8 +1355,7 @@ static int qib_6120_bringup_serdes(struct qib_pportdata *ppd) hwstat = qib_read_kreg64(dd, kr_hwerrstatus); if (hwstat) { /* should just have PLL, clear all set, in an case */ - if (hwstat & ~QLOGIC_IB_HWE_SERDESPLLFAILED) - qib_write_kreg(dd, kr_hwerrclear, hwstat); + qib_write_kreg(dd, kr_hwerrclear, hwstat); qib_write_kreg(dd, kr_errclear, ERR_MASK(HardwareErr)); } diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 503992d9c5ce..5eedf83e2c3b 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -543,7 +543,7 @@ struct vendor_txdds_ent { static void write_tx_serdes_param(struct qib_pportdata *, struct txdds_ent *); #define TXDDS_TABLE_SZ 16 /* number of entries per speed in onchip table */ -#define TXDDS_EXTRA_SZ 11 /* number of extra tx settings entries */ +#define TXDDS_EXTRA_SZ 13 /* number of extra tx settings entries */ #define SERDES_CHANS 4 /* yes, it's obvious, but one less magic number */ #define H1_FORCE_VAL 8 @@ -1100,9 +1100,9 @@ static const struct qib_hwerror_msgs qib_7322_hwerror_msgs[] = { HWE_AUTO_P(SDmaMemReadErr, 1), HWE_AUTO_P(SDmaMemReadErr, 0), HWE_AUTO_P(IBCBusFromSPCParityErr, 1), + HWE_AUTO_P(IBCBusToSPCParityErr, 1), HWE_AUTO_P(IBCBusFromSPCParityErr, 0), - HWE_AUTO_P(statusValidNoEop, 1), - HWE_AUTO_P(statusValidNoEop, 0), + HWE_AUTO(statusValidNoEop), HWE_AUTO(LATriggered), { .mask = 0 } }; @@ -4763,6 +4763,8 @@ static void qib_7322_mini_pcs_reset(struct qib_pportdata *ppd) SYM_MASK(IBPCSConfig_0, tx_rx_reset); val = qib_read_kreg_port(ppd, krp_ib_pcsconfig); + qib_write_kreg(dd, kr_hwerrmask, + dd->cspec->hwerrmask & ~HWE_MASK(statusValidNoEop)); qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a & ~SYM_MASK(IBCCtrlA_0, IBLinkEn)); @@ -4772,6 +4774,9 @@ static void qib_7322_mini_pcs_reset(struct qib_pportdata *ppd) qib_write_kreg_port(ppd, krp_ib_pcsconfig, val & ~reset_bits); qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a); qib_write_kreg(dd, kr_scratch, 0ULL); + qib_write_kreg(dd, kr_hwerrclear, + SYM_MASK(HwErrClear, statusValidNoEopClear)); + qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask); } /* @@ -5624,6 +5629,8 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change) if (ppd->port != port || !ppd->link_speed_supported) continue; ppd->cpspec->no_eep = val; + if (seth1) + ppd->cpspec->h1_val = h1; /* now change the IBC and serdes, overriding generic */ init_txdds_table(ppd, 1); any++; @@ -6064,9 +6071,9 @@ static int qib_init_7322_variables(struct qib_devdata *dd) * the "cable info" setup here. Can be overridden * in adapter-specific routines. */ - if (!(ppd->dd->flags & QIB_HAS_QSFP)) { - if (!IS_QMH(ppd->dd) && !IS_QME(ppd->dd)) - qib_devinfo(ppd->dd->pcidev, "IB%u:%u: " + if (!(dd->flags & QIB_HAS_QSFP)) { + if (!IS_QMH(dd) && !IS_QME(dd)) + qib_devinfo(dd->pcidev, "IB%u:%u: " "Unknown mezzanine card type\n", dd->unit, ppd->port); cp->h1_val = IS_QMH(dd) ? H1_FORCE_QMH : H1_FORCE_QME; @@ -6119,9 +6126,25 @@ static int qib_init_7322_variables(struct qib_devdata *dd) qib_set_ctxtcnt(dd); if (qib_wc_pat) { - ret = init_chip_wc_pat(dd, NUM_VL15_BUFS * dd->align4k); + resource_size_t vl15off; + /* + * We do not set WC on the VL15 buffers to avoid + * a rare problem with unaligned writes from + * interrupt-flushed store buffers, so we need + * to map those separately here. We can't solve + * this for the rarely used mtrr case. + */ + ret = init_chip_wc_pat(dd, 0); if (ret) goto bail; + + /* vl15 buffers start just after the 4k buffers */ + vl15off = dd->physaddr + (dd->piobufbase >> 32) + + dd->piobcnt4k * dd->align4k; + dd->piovl15base = ioremap_nocache(vl15off, + NUM_VL15_BUFS * dd->align4k); + if (!dd->piovl15base) + goto bail; } qib_7322_set_baseaddrs(dd); /* set chip access pointers now */ @@ -6932,6 +6955,8 @@ static const struct txdds_ent txdds_extra_sdr[TXDDS_EXTRA_SZ] = { { 0, 0, 0, 11 }, /* QME7342 backplane settings */ { 0, 0, 0, 11 }, /* QME7342 backplane settings */ { 0, 0, 0, 11 }, /* QME7342 backplane settings */ + { 0, 0, 0, 3 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 4 }, /* QMH7342 backplane settings */ }; static const struct txdds_ent txdds_extra_ddr[TXDDS_EXTRA_SZ] = { @@ -6947,6 +6972,8 @@ static const struct txdds_ent txdds_extra_ddr[TXDDS_EXTRA_SZ] = { { 0, 0, 0, 13 }, /* QME7342 backplane settings */ { 0, 0, 0, 13 }, /* QME7342 backplane settings */ { 0, 0, 0, 13 }, /* QME7342 backplane settings */ + { 0, 0, 0, 9 }, /* QMH7342 backplane settings */ + { 0, 0, 0, 10 }, /* QMH7342 backplane settings */ }; static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = { @@ -6962,6 +6989,8 @@ static const struct txdds_ent txdds_extra_qdr[TXDDS_EXTRA_SZ] = { { 0, 1, 12, 6 }, /* QME7342 backplane setting */ { 0, 1, 12, 7 }, /* QME7342 backplane setting */ { 0, 1, 12, 8 }, /* QME7342 backplane setting */ + { 0, 1, 0, 10 }, /* QMH7342 backplane settings */ + { 0, 1, 0, 12 }, /* QMH7342 backplane settings */ }; static const struct txdds_ent *get_atten_table(const struct txdds_ent *txdds, diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index 9b40f345ac3f..a873dd596e81 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -1059,7 +1059,7 @@ static int __init qlogic_ib_init(void) goto bail_dev; } - qib_cq_wq = create_workqueue("qib_cq"); + qib_cq_wq = create_singlethread_workqueue("qib_cq"); if (!qib_cq_wq) { ret = -ENOMEM; goto bail_wq; @@ -1289,8 +1289,18 @@ static int __devinit qib_init_one(struct pci_dev *pdev, if (qib_mini_init || initfail || ret) { qib_stop_timers(dd); + flush_scheduled_work(); for (pidx = 0; pidx < dd->num_pports; ++pidx) dd->f_quiet_serdes(dd->pport + pidx); + if (qib_mini_init) + goto bail; + if (!j) { + (void) qibfs_remove(dd); + qib_device_remove(dd); + } + if (!ret) + qib_unregister_ib_device(dd); + qib_postinit_cleanup(dd); if (initfail) ret = initfail; goto bail; @@ -1472,6 +1482,9 @@ int qib_setup_eagerbufs(struct qib_ctxtdata *rcd) dma_addr_t pa = rcd->rcvegrbuf_phys[chunk]; unsigned i; + /* clear for security and sanity on each use */ + memset(rcd->rcvegrbuf[chunk], 0, size); + for (i = 0; e < egrcnt && i < egrperchunk; e++, i++) { dd->f_put_tid(dd, e + egroff + (u64 __iomem *) @@ -1499,6 +1512,12 @@ bail: return -ENOMEM; } +/* + * Note: Changes to this routine should be mirrored + * for the diagnostics routine qib_remap_ioaddr32(). + * There is also related code for VL15 buffers in qib_init_7322_variables(). + * The teardown code that unmaps is in qib_pcie_ddcleanup() + */ int init_chip_wc_pat(struct qib_devdata *dd, u32 vl15buflen) { u64 __iomem *qib_kregbase = NULL; diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c index c926bf4541df..7fa6e5592630 100644 --- a/drivers/infiniband/hw/qib/qib_pcie.c +++ b/drivers/infiniband/hw/qib/qib_pcie.c @@ -179,6 +179,8 @@ void qib_pcie_ddcleanup(struct qib_devdata *dd) iounmap(dd->piobase); if (dd->userbase) iounmap(dd->userbase); + if (dd->piovl15base) + iounmap(dd->piovl15base); pci_disable_device(dd->pcidev); pci_release_regions(dd->pcidev); diff --git a/drivers/infiniband/hw/qib/qib_tx.c b/drivers/infiniband/hw/qib/qib_tx.c index f7eb1ddff5f3..af30232b6831 100644 --- a/drivers/infiniband/hw/qib/qib_tx.c +++ b/drivers/infiniband/hw/qib/qib_tx.c @@ -340,9 +340,13 @@ rescan: if (i < dd->piobcnt2k) buf = (u32 __iomem *)(dd->pio2kbase + i * dd->palign); - else + else if (i < dd->piobcnt2k + dd->piobcnt4k || !dd->piovl15base) buf = (u32 __iomem *)(dd->pio4kbase + (i - dd->piobcnt2k) * dd->align4k); + else + buf = (u32 __iomem *)(dd->piovl15base + + (i - (dd->piobcnt2k + dd->piobcnt4k)) * + dd->align4k); if (pbufnum) *pbufnum = i; dd->upd_pio_shadow = 0; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index df3eb8c9fd96..b4b22576f12a 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1163,7 +1163,7 @@ static ssize_t create_child(struct device *dev, return ret ? ret : count; } -static DEVICE_ATTR(create_child, S_IWUGO, NULL, create_child); +static DEVICE_ATTR(create_child, S_IWUSR, NULL, create_child); static ssize_t delete_child(struct device *dev, struct device_attribute *attr, @@ -1183,7 +1183,7 @@ static ssize_t delete_child(struct device *dev, return ret ? ret : count; } -static DEVICE_ATTR(delete_child, S_IWUGO, NULL, delete_child); +static DEVICE_ATTR(delete_child, S_IWUSR, NULL, delete_child); int ipoib_add_pkey_attr(struct net_device *dev) { |