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-rw-r--r--drivers/usb/host/xhci-mtk.c10
-rw-r--r--drivers/usb/host/xhci-pci.c13
-rw-r--r--drivers/usb/host/xhci-ring.c3
-rw-r--r--drivers/usb/host/xhci.c78
-rw-r--r--drivers/usb/host/xhci.h1
5 files changed, 66 insertions, 39 deletions
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index fe010cc61f19..2f27dc0d9c6b 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -397,6 +397,13 @@ static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
if (mtk->lpm_support)
xhci->quirks |= XHCI_LPM_SUPPORT;
+
+ /*
+ * MTK xHCI 0.96: PSA is 1 by default even if doesn't support stream,
+ * and it's 3 when support it.
+ */
+ if (xhci->hci_version < 0x100 && HCC_MAX_PSA(xhci->hcc_params) == 4)
+ xhci->quirks |= XHCI_BROKEN_STREAMS;
}
/* called during probe() after chip reset completes */
@@ -548,7 +555,8 @@ static int xhci_mtk_probe(struct platform_device *pdev)
if (ret)
goto put_usb3_hcd;
- if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ if (HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
+ !(xhci->quirks & XHCI_BROKEN_STREAMS))
xhci->shared_hcd->can_do_streams = 1;
ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 84da8406d5b4..5bbccc9a0179 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -66,6 +66,7 @@
#define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142
#define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242
#define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142
+#define PCI_DEVICE_ID_ASMEDIA_3242_XHCI 0x3242
static const char hcd_name[] = "xhci_hcd";
@@ -276,11 +277,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == PCI_DEVICE_ID_ASMEDIA_1042_XHCI)
xhci->quirks |= XHCI_BROKEN_STREAMS;
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI)
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) {
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
+ }
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
(pdev->device == PCI_DEVICE_ID_ASMEDIA_1142_XHCI ||
- pdev->device == PCI_DEVICE_ID_ASMEDIA_2142_XHCI))
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_2142_XHCI ||
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_3242_XHCI))
xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
@@ -295,6 +299,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == 0x9026)
xhci->quirks |= XHCI_RESET_PLL_ON_DISCONNECT;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_2 ||
+ pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4))
+ xhci->quirks |= XHCI_NO_SOFT_RETRY;
+
if (xhci->quirks & XHCI_RESET_ON_RESUME)
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
"QUIRK: Resetting on resume");
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 5e548a1c93ab..ce38076901e2 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2484,7 +2484,8 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
remaining = 0;
break;
case COMP_USB_TRANSACTION_ERROR:
- if ((ep_ring->err_count++ > MAX_SOFT_RETRY) ||
+ if (xhci->quirks & XHCI_NO_SOFT_RETRY ||
+ (ep_ring->err_count++ > MAX_SOFT_RETRY) ||
le32_to_cpu(slot_ctx->tt_info) & TT_SLOT)
break;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index bd27bd670104..1975016f46bf 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -883,44 +883,42 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
xhci_set_cmd_ring_deq(xhci);
}
-static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
+/*
+ * Disable port wake bits if do_wakeup is not set.
+ *
+ * Also clear a possible internal port wake state left hanging for ports that
+ * detected termination but never successfully enumerated (trained to 0U).
+ * Internal wake causes immediate xHCI wake after suspend. PORT_CSC write done
+ * at enumeration clears this wake, force one here as well for unconnected ports
+ */
+
+static void xhci_disable_hub_port_wake(struct xhci_hcd *xhci,
+ struct xhci_hub *rhub,
+ bool do_wakeup)
{
- struct xhci_port **ports;
- int port_index;
unsigned long flags;
u32 t1, t2, portsc;
+ int i;
spin_lock_irqsave(&xhci->lock, flags);
- /* disable usb3 ports Wake bits */
- port_index = xhci->usb3_rhub.num_ports;
- ports = xhci->usb3_rhub.ports;
- while (port_index--) {
- t1 = readl(ports[port_index]->addr);
- portsc = t1;
- t1 = xhci_port_state_to_neutral(t1);
- t2 = t1 & ~PORT_WAKE_BITS;
- if (t1 != t2) {
- writel(t2, ports[port_index]->addr);
- xhci_dbg(xhci, "disable wake bits port %d-%d, portsc: 0x%x, write: 0x%x\n",
- xhci->usb3_rhub.hcd->self.busnum,
- port_index + 1, portsc, t2);
- }
- }
+ for (i = 0; i < rhub->num_ports; i++) {
+ portsc = readl(rhub->ports[i]->addr);
+ t1 = xhci_port_state_to_neutral(portsc);
+ t2 = t1;
+
+ /* clear wake bits if do_wake is not set */
+ if (!do_wakeup)
+ t2 &= ~PORT_WAKE_BITS;
+
+ /* Don't touch csc bit if connected or connect change is set */
+ if (!(portsc & (PORT_CSC | PORT_CONNECT)))
+ t2 |= PORT_CSC;
- /* disable usb2 ports Wake bits */
- port_index = xhci->usb2_rhub.num_ports;
- ports = xhci->usb2_rhub.ports;
- while (port_index--) {
- t1 = readl(ports[port_index]->addr);
- portsc = t1;
- t1 = xhci_port_state_to_neutral(t1);
- t2 = t1 & ~PORT_WAKE_BITS;
if (t1 != t2) {
- writel(t2, ports[port_index]->addr);
- xhci_dbg(xhci, "disable wake bits port %d-%d, portsc: 0x%x, write: 0x%x\n",
- xhci->usb2_rhub.hcd->self.busnum,
- port_index + 1, portsc, t2);
+ writel(t2, rhub->ports[i]->addr);
+ xhci_dbg(xhci, "config port %d-%d wake bits, portsc: 0x%x, write: 0x%x\n",
+ rhub->hcd->self.busnum, i + 1, portsc, t2);
}
}
spin_unlock_irqrestore(&xhci->lock, flags);
@@ -983,8 +981,8 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
return -EINVAL;
/* Clear root port wake on bits if wakeup not allowed. */
- if (!do_wakeup)
- xhci_disable_port_wake_on_bits(xhci);
+ xhci_disable_hub_port_wake(xhci, &xhci->usb3_rhub, do_wakeup);
+ xhci_disable_hub_port_wake(xhci, &xhci->usb2_rhub, do_wakeup);
if (!HCD_HW_ACCESSIBLE(hcd))
return 0;
@@ -1088,6 +1086,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
struct usb_hcd *secondary_hcd;
int retval = 0;
bool comp_timer_running = false;
+ bool pending_portevent = false;
if (!hcd->state)
return 0;
@@ -1226,13 +1225,22 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
done:
if (retval == 0) {
- /* Resume root hubs only when have pending events. */
- if (xhci_pending_portevent(xhci)) {
+ /*
+ * Resume roothubs only if there are pending events.
+ * USB 3 devices resend U3 LFPS wake after a 100ms delay if
+ * the first wake signalling failed, give it that chance.
+ */
+ pending_portevent = xhci_pending_portevent(xhci);
+ if (!pending_portevent) {
+ msleep(120);
+ pending_portevent = xhci_pending_portevent(xhci);
+ }
+
+ if (pending_portevent) {
usb_hcd_resume_root_hub(xhci->shared_hcd);
usb_hcd_resume_root_hub(hcd);
}
}
-
/*
* If system is subject to the Quirk, Compliance Mode Timer needs to
* be re-initialized Always after a system resume. Ports are subject
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index d41de5dc0452..ca822ad3b65b 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1891,6 +1891,7 @@ struct xhci_hcd {
#define XHCI_SKIP_PHY_INIT BIT_ULL(37)
#define XHCI_DISABLE_SPARSE BIT_ULL(38)
#define XHCI_SG_TRB_CACHE_SIZE_QUIRK BIT_ULL(39)
+#define XHCI_NO_SOFT_RETRY BIT_ULL(40)
unsigned int num_active_eps;
unsigned int limit_active_eps;
generated by cgit (git 2.34.1) at 2024-05-23 04:11:14 +0000