diff options
Diffstat (limited to 'drivers/thunderbolt/nhi.c')
| -rw-r--r-- | drivers/thunderbolt/nhi.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index b22023fae6..7af2642b97 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -48,7 +48,7 @@ static bool host_reset = true; module_param(host_reset, bool, 0444); -MODULE_PARM_DESC(host_reset, "reset USBv2 host router (default: true)"); +MODULE_PARM_DESC(host_reset, "reset USB4 host router (default: true)"); static int ring_interrupt_index(const struct tb_ring *ring) { @@ -465,7 +465,7 @@ static int ring_request_msix(struct tb_ring *ring, bool no_suspend) if (!nhi->pdev->msix_enabled) return 0; - ret = ida_simple_get(&nhi->msix_ida, 0, MSIX_MAX_VECS, GFP_KERNEL); + ret = ida_alloc_max(&nhi->msix_ida, MSIX_MAX_VECS - 1, GFP_KERNEL); if (ret < 0) return ret; @@ -485,7 +485,7 @@ static int ring_request_msix(struct tb_ring *ring, bool no_suspend) return 0; err_ida_remove: - ida_simple_remove(&nhi->msix_ida, ring->vector); + ida_free(&nhi->msix_ida, ring->vector); return ret; } @@ -496,7 +496,7 @@ static void ring_release_msix(struct tb_ring *ring) return; free_irq(ring->irq, ring); - ida_simple_remove(&ring->nhi->msix_ida, ring->vector); + ida_free(&ring->nhi->msix_ida, ring->vector); ring->vector = 0; ring->irq = 0; } @@ -1221,7 +1221,7 @@ static void nhi_check_iommu(struct tb_nhi *nhi) str_enabled_disabled(port_ok)); } -static bool nhi_reset(struct tb_nhi *nhi) +static void nhi_reset(struct tb_nhi *nhi) { ktime_t timeout; u32 val; @@ -1229,11 +1229,11 @@ static bool nhi_reset(struct tb_nhi *nhi) val = ioread32(nhi->iobase + REG_CAPS); /* Reset only v2 and later routers */ if (FIELD_GET(REG_CAPS_VERSION_MASK, val) < REG_CAPS_VERSION_2) - return false; + return; if (!host_reset) { dev_dbg(&nhi->pdev->dev, "skipping host router reset\n"); - return false; + return; } iowrite32(REG_RESET_HRR, nhi->iobase + REG_RESET); @@ -1244,14 +1244,12 @@ static bool nhi_reset(struct tb_nhi *nhi) val = ioread32(nhi->iobase + REG_RESET); if (!(val & REG_RESET_HRR)) { dev_warn(&nhi->pdev->dev, "host router reset successful\n"); - return true; + return; } usleep_range(10, 20); } while (ktime_before(ktime_get(), timeout)); dev_warn(&nhi->pdev->dev, "timeout resetting host router\n"); - - return false; } static int nhi_init_msi(struct tb_nhi *nhi) @@ -1333,7 +1331,6 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct device *dev = &pdev->dev; struct tb_nhi *nhi; struct tb *tb; - bool reset; int res; if (!nhi_imr_valid(pdev)) @@ -1367,12 +1364,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id) nhi_check_quirks(nhi); nhi_check_iommu(nhi); - - /* - * Only USB4 v2 hosts support host reset so if we already did - * that then don't do it again when the domain is initialized. - */ - reset = nhi_reset(nhi) ? false : host_reset; + nhi_reset(nhi); res = nhi_init_msi(nhi); if (res) @@ -1399,7 +1391,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id) dev_dbg(dev, "NHI initialized, starting thunderbolt\n"); - res = tb_domain_add(tb, reset); + res = tb_domain_add(tb, host_reset); if (res) { /* * At this point the RX/TX rings might already have been |