diff options
Diffstat (limited to 'drivers/thunderbolt/nhi.c')
| -rw-r--r-- | drivers/thunderbolt/nhi.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index e8a4623dc531..91e26b982b0b 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -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 |