From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/infiniband/hw/cxgb4/device.c | 26 ++++++++------------------ 1 file changed, 8 insertions(+), 18 deletions(-) (limited to 'kernel/drivers/infiniband/hw/cxgb4/device.c') diff --git a/kernel/drivers/infiniband/hw/cxgb4/device.c b/kernel/drivers/infiniband/hw/cxgb4/device.c index 7e895d714..58fce1742 100644 --- a/kernel/drivers/infiniband/hw/cxgb4/device.c +++ b/kernel/drivers/infiniband/hw/cxgb4/device.c @@ -795,13 +795,7 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) goto err1; } - /* - * qpshift is the number of bits to shift the qpid left in order - * to get the correct address of the doorbell for that qp. - */ - rdev->qpshift = PAGE_SHIFT - ilog2(rdev->lldi.udb_density); rdev->qpmask = rdev->lldi.udb_density - 1; - rdev->cqshift = PAGE_SHIFT - ilog2(rdev->lldi.ucq_density); rdev->cqmask = rdev->lldi.ucq_density - 1; PDBG("%s dev %s stag start 0x%0x size 0x%0x num stags %d " "pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x " @@ -815,14 +809,12 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) rdev->lldi.vr->qp.size, rdev->lldi.vr->cq.start, rdev->lldi.vr->cq.size); - PDBG("udb len 0x%x udb base %p db_reg %p gts_reg %p qpshift %lu " - "qpmask 0x%x cqshift %lu cqmask 0x%x\n", + PDBG("udb len 0x%x udb base %p db_reg %p gts_reg %p " + "qpmask 0x%x cqmask 0x%x\n", (unsigned)pci_resource_len(rdev->lldi.pdev, 2), (void *)pci_resource_start(rdev->lldi.pdev, 2), - rdev->lldi.db_reg, - rdev->lldi.gts_reg, - rdev->qpshift, rdev->qpmask, - rdev->cqshift, rdev->cqmask); + rdev->lldi.db_reg, rdev->lldi.gts_reg, + rdev->qpmask, rdev->cqmask); if (c4iw_num_stags(rdev) == 0) { err = -EINVAL; @@ -970,12 +962,12 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) devp->rdev.lldi.sge_egrstatuspagesize; /* - * For T5 devices, we map all of BAR2 with WC. + * For T5/T6 devices, we map all of BAR2 with WC. * For T4 devices with onchip qp mem, we map only that part * of BAR2 with WC. */ devp->rdev.bar2_pa = pci_resource_start(devp->rdev.lldi.pdev, 2); - if (is_t5(devp->rdev.lldi.adapter_type)) { + if (!is_t4(devp->rdev.lldi.adapter_type)) { devp->rdev.bar2_kva = ioremap_wc(devp->rdev.bar2_pa, pci_resource_len(devp->rdev.lldi.pdev, 2)); if (!devp->rdev.bar2_kva) { @@ -1275,11 +1267,9 @@ static int enable_qp_db(int id, void *p, void *data) static void resume_rc_qp(struct c4iw_qp *qp) { spin_lock(&qp->lock); - t4_ring_sq_db(&qp->wq, qp->wq.sq.wq_pidx_inc, - is_t5(qp->rhp->rdev.lldi.adapter_type), NULL); + t4_ring_sq_db(&qp->wq, qp->wq.sq.wq_pidx_inc, NULL); qp->wq.sq.wq_pidx_inc = 0; - t4_ring_rq_db(&qp->wq, qp->wq.rq.wq_pidx_inc, - is_t5(qp->rhp->rdev.lldi.adapter_type), NULL); + t4_ring_rq_db(&qp->wq, qp->wq.rq.wq_pidx_inc, NULL); qp->wq.rq.wq_pidx_inc = 0; spin_unlock(&qp->lock); } -- cgit 1.2.3-korg