From patchwork Fri Oct 6 21:33:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 9990397 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BAB8260247 for ; Fri, 6 Oct 2017 21:33:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ACAA628E17 for ; Fri, 6 Oct 2017 21:33:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A199928E2F; Fri, 6 Oct 2017 21:33:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C81FE28E17 for ; Fri, 6 Oct 2017 21:33:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752825AbdJFVds (ORCPT ); Fri, 6 Oct 2017 17:33:48 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:45710 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752461AbdJFVdo (ORCPT ); Fri, 6 Oct 2017 17:33:44 -0400 X-IronPort-AV: E=Sophos;i="5.42,486,1500912000"; d="scan'208";a="56489628" Received: from sjappemgw12.hgst.com (HELO sjappemgw11.hgst.com) ([199.255.44.66]) by ob1.hgst.iphmx.com with ESMTP; 07 Oct 2017 05:33:37 +0800 Received: from thinkpad-bart.sdcorp.global.sandisk.com (HELO thinkpad-bart.int.fusionio.com) ([10.11.172.152]) by sjappemgw11.hgst.com with ESMTP; 06 Oct 2017 14:33:36 -0700 From: Bart Van Assche To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Bart Van Assche , Mike Marciniszyn Subject: [PATCH 42/47] IB/qib: Remove set-but-not-used variables Date: Fri, 6 Oct 2017 14:33:28 -0700 Message-Id: <20171006213333.6721-43-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171006213333.6721-1-bart.vanassche@wdc.com> References: <20171006213333.6721-1-bart.vanassche@wdc.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Bart Van Assche Cc: Mike Marciniszyn Tested-By: Mike Marciniszyn Acked-By: Mike Marciniszyn --- drivers/infiniband/hw/qib/qib_diag.c | 6 ------ drivers/infiniband/hw/qib/qib_file_ops.c | 9 --------- drivers/infiniband/hw/qib/qib_iba6120.c | 2 -- drivers/infiniband/hw/qib/qib_iba7220.c | 3 --- drivers/infiniband/hw/qib/qib_iba7322.c | 15 ++++----------- drivers/infiniband/hw/qib/qib_mad.c | 3 +-- drivers/infiniband/hw/qib/qib_pcie.c | 3 +-- drivers/infiniband/hw/qib/qib_sd7220.c | 2 -- drivers/infiniband/hw/qib/qib_tx.c | 4 ---- drivers/infiniband/hw/qib/qib_verbs.c | 3 +-- 10 files changed, 7 insertions(+), 43 deletions(-) diff --git a/drivers/infiniband/hw/qib/qib_diag.c b/drivers/infiniband/hw/qib/qib_diag.c index 775018b32b0d..a9377eee8734 100644 --- a/drivers/infiniband/hw/qib/qib_diag.c +++ b/drivers/infiniband/hw/qib/qib_diag.c @@ -761,7 +761,6 @@ static ssize_t qib_diag_read(struct file *fp, char __user *data, { struct qib_diag_client *dc = fp->private_data; struct qib_devdata *dd = dc->dd; - void __iomem *kreg_base; ssize_t ret; if (dc->pid != current->pid) { @@ -769,8 +768,6 @@ static ssize_t qib_diag_read(struct file *fp, char __user *data, goto bail; } - kreg_base = dd->kregbase; - if (count == 0) ret = 0; else if ((count % 4) || (*off % 4)) @@ -838,7 +835,6 @@ static ssize_t qib_diag_write(struct file *fp, const char __user *data, { struct qib_diag_client *dc = fp->private_data; struct qib_devdata *dd = dc->dd; - void __iomem *kreg_base; ssize_t ret; if (dc->pid != current->pid) { @@ -846,8 +842,6 @@ static ssize_t qib_diag_write(struct file *fp, const char __user *data, goto bail; } - kreg_base = dd->kregbase; - if (count == 0) ret = 0; else if ((count % 4) || (*off % 4)) diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index 9396c1807cc3..2d6a191afec0 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -696,15 +696,8 @@ static void qib_clean_part_key(struct qib_ctxtdata *rcd, struct qib_devdata *dd) { int i, j, pchanged = 0; - u64 oldpkey; struct qib_pportdata *ppd = rcd->ppd; - /* for debugging only */ - oldpkey = (u64) ppd->pkeys[0] | - ((u64) ppd->pkeys[1] << 16) | - ((u64) ppd->pkeys[2] << 32) | - ((u64) ppd->pkeys[3] << 48); - for (i = 0; i < ARRAY_SIZE(rcd->pkeys); i++) { if (!rcd->pkeys[i]) continue; @@ -1817,7 +1810,6 @@ static int qib_close(struct inode *in, struct file *fp) struct qib_devdata *dd; unsigned long flags; unsigned ctxt; - pid_t pid; mutex_lock(&qib_mutex); @@ -1859,7 +1851,6 @@ static int qib_close(struct inode *in, struct file *fp) spin_lock_irqsave(&dd->uctxt_lock, flags); ctxt = rcd->ctxt; dd->rcd[ctxt] = NULL; - pid = rcd->pid; rcd->pid = 0; spin_unlock_irqrestore(&dd->uctxt_lock, flags); diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index c4a4c57e0f0a..65d61274ab8f 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -1914,7 +1914,6 @@ static void qib_6120_put_tid_2(struct qib_devdata *dd, u64 __iomem *tidptr, u32 type, unsigned long pa) { u32 __iomem *tidp32 = (u32 __iomem *)tidptr; - u32 tidx; if (!dd->kregbase) return; @@ -1938,7 +1937,6 @@ static void qib_6120_put_tid_2(struct qib_devdata *dd, u64 __iomem *tidptr, else /* for now, always full 4KB page */ pa |= 2 << 29; } - tidx = tidptr - dd->egrtidbase; writel(pa, tidp32); mmiowb(); } diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c index 78ce79be4120..7df874e54827 100644 --- a/drivers/infiniband/hw/qib/qib_iba7220.c +++ b/drivers/infiniband/hw/qib/qib_iba7220.c @@ -3524,7 +3524,6 @@ static void autoneg_7220_work(struct work_struct *work) { struct qib_pportdata *ppd; struct qib_devdata *dd; - u64 startms; u32 i; unsigned long flags; @@ -3532,8 +3531,6 @@ static void autoneg_7220_work(struct work_struct *work) autoneg_work.work)->pportdata; dd = ppd->dd; - startms = jiffies_to_msecs(jiffies); - /* * Busy wait for this first part, it should be at most a * few hundred usec, since we scheduled ourselves for 2msec. diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 4d02cffe4e03..a28fc358aff4 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -3435,7 +3435,6 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend) for (i = 0; msixnum < dd->cspec->num_msix_entries; i++) { irq_handler_t handler; void *arg; - u64 val; int lsb, reg, sh; #ifdef CONFIG_INFINIBAND_QIB_DCA int dca = 0; @@ -3506,8 +3505,8 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend) mask &= ~(1ULL << lsb); redirect[reg] |= ((u64) msixnum) << sh; } - val = qib_read_kreg64(dd, 2 * msixnum + 1 + - (QIB_7322_MsixTable_OFFS / sizeof(u64))); + qib_read_kreg64(dd, 2 * msixnum + 1 + + (QIB_7322_MsixTable_OFFS / sizeof(u64))); if (firstcpu < nr_cpu_ids && zalloc_cpumask_var( &dd->cspec->msix_entries[msixnum].mask, @@ -5362,16 +5361,11 @@ static void try_7322_autoneg(struct qib_pportdata *ppd) static void autoneg_7322_work(struct work_struct *work) { struct qib_pportdata *ppd; - struct qib_devdata *dd; - u64 startms; u32 i; unsigned long flags; ppd = container_of(work, struct qib_chippport_specific, autoneg_work.work)->ppd; - dd = ppd->dd; - - startms = jiffies_to_msecs(jiffies); /* * Busy wait for this first part, it should be at most a @@ -7811,13 +7805,12 @@ static void ibsd_wr_allchans(struct qib_pportdata *ppd, int addr, unsigned data, { struct qib_devdata *dd = ppd->dd; int chan; - u32 rbc; for (chan = 0; chan < SERDES_CHANS; ++chan) { ahb_mod(dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)), addr, data, mask); - rbc = ahb_mod(dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)), - addr, 0, 0); + ahb_mod(dd, IBSD(ppd->hw_pidx), (chan + (chan >> 1)), addr, + 0, 0); } } diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 04367e0f6f9b..841312f60dfd 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -280,7 +280,7 @@ static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev, { struct ib_node_info *nip = (struct ib_node_info *)&smp->data; struct qib_devdata *dd = dd_from_ibdev(ibdev); - u32 vendor, majrev, minrev; + u32 majrev, minrev; unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */ /* GUID 0 is illegal */ @@ -303,7 +303,6 @@ static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev, minrev = dd->minrev; nip->revision = cpu_to_be32((majrev << 16) | minrev); nip->local_port_num = port; - vendor = dd->vendorid; nip->vendor_id[0] = QIB_SRC_OUI_1; nip->vendor_id[1] = QIB_SRC_OUI_2; nip->vendor_id[2] = QIB_SRC_OUI_3; diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c index 6f4cc268926c..5ac7b31c346b 100644 --- a/drivers/infiniband/hw/qib/qib_pcie.c +++ b/drivers/infiniband/hw/qib/qib_pcie.c @@ -397,7 +397,6 @@ MODULE_PARM_DESC(pcie_coalesce, "tune PCIe colescing on some Intel chipsets"); */ static void qib_tune_pcie_coalesce(struct qib_devdata *dd) { - int r; struct pci_dev *parent; u16 devid; u32 mask, bits, val; @@ -452,7 +451,7 @@ static void qib_tune_pcie_coalesce(struct qib_devdata *dd) pci_read_config_dword(parent, 0x48, &val); val &= ~mask; val |= bits; - r = pci_write_config_dword(parent, 0x48, val); + pci_write_config_dword(parent, 0x48, val); } /* diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c index c72775f27212..ad52f7ac620c 100644 --- a/drivers/infiniband/hw/qib/qib_sd7220.c +++ b/drivers/infiniband/hw/qib/qib_sd7220.c @@ -755,7 +755,6 @@ static int qib_sd7220_ram_xfer(struct qib_devdata *dd, int sdnum, u32 loc, int addr; int ret; unsigned long flags; - const char *op; /* Pick appropriate transaction reg and "Chip select" for this serdes */ switch (sdnum) { @@ -775,7 +774,6 @@ static int qib_sd7220_ram_xfer(struct qib_devdata *dd, int sdnum, u32 loc, return -1; } - op = rd_notwr ? "Rd" : "Wr"; spin_lock_irqsave(&dd->cspec->sdepb_lock, flags); owned = epb_access(dd, sdnum, 1); diff --git a/drivers/infiniband/hw/qib/qib_tx.c b/drivers/infiniband/hw/qib/qib_tx.c index eface3b3dacf..c9537cfc12ce 100644 --- a/drivers/infiniband/hw/qib/qib_tx.c +++ b/drivers/infiniband/hw/qib/qib_tx.c @@ -179,8 +179,6 @@ void qib_disarm_piobufs_set(struct qib_devdata *dd, unsigned long *mask, pppd[i] = NULL; for (i = 0; i < cnt; i++) { - int which; - if (!test_bit(i, mask)) continue; /* @@ -201,9 +199,7 @@ void qib_disarm_piobufs_set(struct qib_devdata *dd, unsigned long *mask, (!test_bit(i << 1, dd->pioavailkernel) && find_ctxt(dd, i))) { __set_bit(i, dd->pio_need_disarm); - which = 0; } else { - which = 1; dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(i)); } spin_unlock_irqrestore(&dd->pioavail_lock, flags); diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index 9d92aeb8d9a1..46e2da09d05b 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -701,7 +701,7 @@ void qib_put_txreq(struct qib_verbs_txreq *tx) */ void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail) { - struct rvt_qp *qp, *nqp; + struct rvt_qp *qp; struct qib_qp_priv *qpp, *nqpp; struct rvt_qp *qps[20]; struct qib_ibdev *dev; @@ -714,7 +714,6 @@ void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail) /* Search wait list for first QP wanting DMA descriptors. */ list_for_each_entry_safe(qpp, nqpp, &dev->dmawait, iowait) { qp = qpp->owner; - nqp = nqpp->owner; if (qp->port_num != ppd->port) continue; if (n == ARRAY_SIZE(qps))