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-rw-r--r--drivers/usb/host/ehci-hcd.c23
-rw-r--r--drivers/usb/host/ehci-pci.c4
-rw-r--r--drivers/usb/host/ehci.h1
-rw-r--r--drivers/usb/host/xhci-hub.c2
-rw-r--r--drivers/usb/host/xhci-mtk-sch.c90
-rw-r--r--drivers/usb/host/xhci-mtk.h2
-rw-r--r--drivers/usb/host/xhci-pci.c4
-rw-r--r--drivers/usb/host/xhci-ring.c1
-rw-r--r--drivers/usb/host/xhci-tegra.c4
-rw-r--r--drivers/usb/host/xhci.c11
10 files changed, 65 insertions, 77 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 3d82e0b853be..684164fa9716 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1103,6 +1103,26 @@ static void ehci_remove_device(struct usb_hcd *hcd, struct usb_device *udev)
#ifdef CONFIG_PM
+/* Clear wakeup signal locked in zhaoxin platform when device plug in. */
+static void ehci_zx_wakeup_clear(struct ehci_hcd *ehci)
+{
+ u32 __iomem *reg = &ehci->regs->port_status[4];
+ u32 t1 = ehci_readl(ehci, reg);
+
+ t1 &= (u32)~0xf0000;
+ t1 |= PORT_TEST_FORCE;
+ ehci_writel(ehci, t1, reg);
+ t1 = ehci_readl(ehci, reg);
+ msleep(1);
+ t1 &= (u32)~0xf0000;
+ ehci_writel(ehci, t1, reg);
+ ehci_readl(ehci, reg);
+ msleep(1);
+ t1 = ehci_readl(ehci, reg);
+ ehci_writel(ehci, t1 | PORT_CSC, reg);
+ ehci_readl(ehci, reg);
+}
+
/* suspend/resume, section 4.3 */
/* These routines handle the generic parts of controller suspend/resume */
@@ -1154,6 +1174,9 @@ int ehci_resume(struct usb_hcd *hcd, bool force_reset)
if (ehci->shutdown)
return 0; /* Controller is dead */
+ if (ehci->zx_wakeup_clear_needed)
+ ehci_zx_wakeup_clear(ehci);
+
/*
* If CF is still set and reset isn't forced
* then we maintained suspend power.
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 638f03b89739..9937c5a7efc2 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -231,6 +231,10 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
ehci->is_aspeed = 1;
}
break;
+ case PCI_VENDOR_ID_ZHAOXIN:
+ if (pdev->device == 0x3104 && (pdev->revision & 0xf0) == 0x90)
+ ehci->zx_wakeup_clear_needed = 1;
+ break;
}
/* optional debug port, normally in the first BAR */
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index fdd073cc053b..ad3f13a3eaf1 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -220,6 +220,7 @@ struct ehci_hcd { /* one per controller */
unsigned imx28_write_fix:1; /* For Freescale i.MX28 */
unsigned spurious_oc:1;
unsigned is_aspeed:1;
+ unsigned zx_wakeup_clear_needed:1;
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 1e7dc130c39a..f65f1ba2b592 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1434,7 +1434,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
}
spin_unlock_irqrestore(&xhci->lock, flags);
if (!wait_for_completion_timeout(&bus_state->u3exit_done[wIndex],
- msecs_to_jiffies(100)))
+ msecs_to_jiffies(500)))
xhci_dbg(xhci, "missing U0 port change event for port %d-%d\n",
hcd->self.busnum, wIndex + 1);
spin_lock_irqsave(&xhci->lock, flags);
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index f3139ce7b0a9..06a6b19acaae 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -19,11 +19,6 @@
#define HS_BW_BOUNDARY 6144
/* usb2 spec section11.18.1: at most 188 FS bytes per microframe */
#define FS_PAYLOAD_MAX 188
-/*
- * max number of microframes for split transfer,
- * for fs isoc in : 1 ss + 1 idle + 7 cs
- */
-#define TT_MICROFRAMES_MAX 9
#define DBG_BUF_EN 64
@@ -242,28 +237,17 @@ static void drop_tt(struct usb_device *udev)
static struct mu3h_sch_ep_info *
create_sch_ep(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
- struct usb_host_endpoint *ep, struct xhci_ep_ctx *ep_ctx)
+ struct usb_host_endpoint *ep)
{
struct mu3h_sch_ep_info *sch_ep;
struct mu3h_sch_bw_info *bw_info;
struct mu3h_sch_tt *tt = NULL;
- u32 len_bw_budget_table;
bw_info = get_bw_info(mtk, udev, ep);
if (!bw_info)
return ERR_PTR(-ENODEV);
- if (is_fs_or_ls(udev->speed))
- len_bw_budget_table = TT_MICROFRAMES_MAX;
- else if ((udev->speed >= USB_SPEED_SUPER)
- && usb_endpoint_xfer_isoc(&ep->desc))
- len_bw_budget_table = get_esit(ep_ctx);
- else
- len_bw_budget_table = 1;
-
- sch_ep = kzalloc(struct_size(sch_ep, bw_budget_table,
- len_bw_budget_table),
- GFP_KERNEL);
+ sch_ep = kzalloc(sizeof(*sch_ep), GFP_KERNEL);
if (!sch_ep)
return ERR_PTR(-ENOMEM);
@@ -295,8 +279,6 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
u32 mult;
u32 esit_pkts;
u32 max_esit_payload;
- u32 *bwb_table = sch_ep->bw_budget_table;
- int i;
ep_type = CTX_TO_EP_TYPE(le32_to_cpu(ep_ctx->ep_info2));
maxpkt = MAX_PACKET_DECODED(le32_to_cpu(ep_ctx->ep_info2));
@@ -332,7 +314,6 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
*/
sch_ep->pkts = max_burst + 1;
sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
- bwb_table[0] = sch_ep->bw_cost_per_microframe;
} else if (sch_ep->speed >= USB_SPEED_SUPER) {
/* usb3_r1 spec section4.4.7 & 4.4.8 */
sch_ep->cs_count = 0;
@@ -349,7 +330,6 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
if (ep_type == INT_IN_EP || ep_type == INT_OUT_EP) {
sch_ep->pkts = esit_pkts;
sch_ep->num_budget_microframes = 1;
- bwb_table[0] = maxpkt * sch_ep->pkts;
}
if (ep_type == ISOC_IN_EP || ep_type == ISOC_OUT_EP) {
@@ -366,15 +346,8 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
DIV_ROUND_UP(esit_pkts, sch_ep->pkts);
sch_ep->repeat = !!(sch_ep->num_budget_microframes > 1);
- sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
-
- for (i = 0; i < sch_ep->num_budget_microframes - 1; i++)
- bwb_table[i] = sch_ep->bw_cost_per_microframe;
-
- /* last one <= bw_cost_per_microframe */
- bwb_table[i] = maxpkt * esit_pkts
- - i * sch_ep->bw_cost_per_microframe;
}
+ sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
} else if (is_fs_or_ls(sch_ep->speed)) {
sch_ep->pkts = 1; /* at most one packet for each microframe */
@@ -384,28 +357,7 @@ static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
*/
sch_ep->cs_count = DIV_ROUND_UP(maxpkt, FS_PAYLOAD_MAX);
sch_ep->num_budget_microframes = sch_ep->cs_count;
- sch_ep->bw_cost_per_microframe =
- (maxpkt < FS_PAYLOAD_MAX) ? maxpkt : FS_PAYLOAD_MAX;
-
- /* init budget table */
- if (ep_type == ISOC_OUT_EP) {
- for (i = 0; i < sch_ep->num_budget_microframes; i++)
- bwb_table[i] = sch_ep->bw_cost_per_microframe;
- } else if (ep_type == INT_OUT_EP) {
- /* only first one consumes bandwidth, others as zero */
- bwb_table[0] = sch_ep->bw_cost_per_microframe;
- } else { /* INT_IN_EP or ISOC_IN_EP */
- bwb_table[0] = 0; /* start split */
- bwb_table[1] = 0; /* idle */
- /*
- * due to cs_count will be updated according to cs
- * position, assign all remainder budget array
- * elements as @bw_cost_per_microframe, but only first
- * @num_budget_microframes elements will be used later
- */
- for (i = 2; i < TT_MICROFRAMES_MAX; i++)
- bwb_table[i] = sch_ep->bw_cost_per_microframe;
- }
+ sch_ep->bw_cost_per_microframe = min_t(u32, maxpkt, FS_PAYLOAD_MAX);
}
}
@@ -422,7 +374,7 @@ static u32 get_max_bw(struct mu3h_sch_bw_info *sch_bw,
for (j = 0; j < sch_ep->num_budget_microframes; j++) {
k = XHCI_MTK_BW_INDEX(base + j);
- bw = sch_bw->bus_bw[k] + sch_ep->bw_budget_table[j];
+ bw = sch_bw->bus_bw[k] + sch_ep->bw_cost_per_microframe;
if (bw > max_bw)
max_bw = bw;
}
@@ -433,18 +385,16 @@ static u32 get_max_bw(struct mu3h_sch_bw_info *sch_bw,
static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw,
struct mu3h_sch_ep_info *sch_ep, bool used)
{
+ int bw_updated;
u32 base;
- int i, j, k;
+ int i, j;
+
+ bw_updated = sch_ep->bw_cost_per_microframe * (used ? 1 : -1);
for (i = 0; i < sch_ep->num_esit; i++) {
base = sch_ep->offset + i * sch_ep->esit;
- for (j = 0; j < sch_ep->num_budget_microframes; j++) {
- k = XHCI_MTK_BW_INDEX(base + j);
- if (used)
- sch_bw->bus_bw[k] += sch_ep->bw_budget_table[j];
- else
- sch_bw->bus_bw[k] -= sch_ep->bw_budget_table[j];
- }
+ for (j = 0; j < sch_ep->num_budget_microframes; j++)
+ sch_bw->bus_bw[XHCI_MTK_BW_INDEX(base + j)] += bw_updated;
}
}
@@ -464,7 +414,7 @@ static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset)
*/
for (j = 0; j < sch_ep->num_budget_microframes; j++) {
k = XHCI_MTK_BW_INDEX(base + j);
- tmp = tt->fs_bus_bw[k] + sch_ep->bw_budget_table[j];
+ tmp = tt->fs_bus_bw[k] + sch_ep->bw_cost_per_microframe;
if (tmp > FS_PAYLOAD_MAX)
return -ESCH_BW_OVERFLOW;
}
@@ -538,19 +488,17 @@ static int check_sch_tt(struct mu3h_sch_ep_info *sch_ep, u32 offset)
static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
+ int bw_updated;
u32 base;
- int i, j, k;
+ int i, j;
+
+ bw_updated = sch_ep->bw_cost_per_microframe * (used ? 1 : -1);
for (i = 0; i < sch_ep->num_esit; i++) {
base = sch_ep->offset + i * sch_ep->esit;
- for (j = 0; j < sch_ep->num_budget_microframes; j++) {
- k = XHCI_MTK_BW_INDEX(base + j);
- if (used)
- tt->fs_bus_bw[k] += sch_ep->bw_budget_table[j];
- else
- tt->fs_bus_bw[k] -= sch_ep->bw_budget_table[j];
- }
+ for (j = 0; j < sch_ep->num_budget_microframes; j++)
+ tt->fs_bus_bw[XHCI_MTK_BW_INDEX(base + j)] += bw_updated;
}
if (used)
@@ -710,7 +658,7 @@ static int add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
- sch_ep = create_sch_ep(mtk, udev, ep, ep_ctx);
+ sch_ep = create_sch_ep(mtk, udev, ep);
if (IS_ERR_OR_NULL(sch_ep))
return -ENOMEM;
diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index ffd4b493b4ba..1174a510dd38 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -83,7 +83,6 @@ struct mu3h_sch_bw_info {
* times; 1: distribute the (bMaxBurst+1)*(Mult+1) packets
* according to @pkts and @repeat. normal mode is used by
* default
- * @bw_budget_table: table to record bandwidth budget per microframe
*/
struct mu3h_sch_ep_info {
u32 esit;
@@ -109,7 +108,6 @@ struct mu3h_sch_ep_info {
u32 pkts;
u32 cs_count;
u32 burst_mode;
- u32 bw_budget_table[];
};
#define MU3C_U3_PORT_MAX 4
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 5c351970cdf1..d7e0e6ebf080 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -59,6 +59,7 @@
#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI 0x9a13
#define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI 0x1138
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI 0x461e
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
#define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639
#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
@@ -266,7 +267,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI))
xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d0b6806275e0..f9707997969d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3141,6 +3141,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
if (event_loop++ < TRBS_PER_SEGMENT / 2)
continue;
xhci_update_erst_dequeue(xhci, event_ring_deq);
+ event_ring_deq = xhci->event_ring->dequeue;
/* ring is half-full, force isoc trbs to interrupt more often */
if (xhci->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index c8af2cd2216d..996958a6565c 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1034,13 +1034,13 @@ static int tegra_xusb_unpowergate_partitions(struct tegra_xusb *tegra)
int rc;
if (tegra->use_genpd) {
- rc = pm_runtime_get_sync(tegra->genpd_dev_ss);
+ rc = pm_runtime_resume_and_get(tegra->genpd_dev_ss);
if (rc < 0) {
dev_err(dev, "failed to enable XUSB SS partition\n");
return rc;
}
- rc = pm_runtime_get_sync(tegra->genpd_dev_host);
+ rc = pm_runtime_resume_and_get(tegra->genpd_dev_host);
if (rc < 0) {
dev_err(dev, "failed to enable XUSB Host partition\n");
pm_runtime_put_sync(tegra->genpd_dev_ss);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 642610c78f58..25b87e99b4dd 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -781,6 +781,17 @@ void xhci_shutdown(struct usb_hcd *hcd)
if (xhci->quirks & XHCI_SPURIOUS_REBOOT)
usb_disable_xhci_ports(to_pci_dev(hcd->self.sysdev));
+ /* Don't poll the roothubs after shutdown. */
+ xhci_dbg(xhci, "%s: stopping usb%d port polling.\n",
+ __func__, hcd->self.busnum);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ del_timer_sync(&hcd->rh_timer);
+
+ if (xhci->shared_hcd) {
+ clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
+ del_timer_sync(&xhci->shared_hcd->rh_timer);
+ }
+
spin_lock_irq(&xhci->lock);
xhci_halt(xhci);
/* Workaround for spurious wakeups at shutdown with HSW */
generated by cgit (git 2.34.1) at 2024-05-23 08:49:13 +0000