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-rw-r--r--drivers/usb/host/ehci-fsl.c9
-rw-r--r--drivers/usb/host/ehci-mv.c4
-rw-r--r--drivers/usb/host/ehci-pci.c39
-rw-r--r--drivers/usb/host/fsl-mph-dr-of.c3
-rw-r--r--drivers/usb/host/imx21-hcd.c1
-rw-r--r--drivers/usb/host/ohci-tmio.c3
-rw-r--r--drivers/usb/host/xhci-hub.c38
-rw-r--r--drivers/usb/host/xhci-mem.c2
-rw-r--r--drivers/usb/host/xhci-ring.c9
-rw-r--r--drivers/usb/host/xhci.c10
10 files changed, 90 insertions, 28 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index fd9b5424b860..d81d2fcbff18 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -230,7 +230,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
switch (phy_mode) {
case FSL_USB2_PHY_ULPI:
- if (pdata->controller_ver) {
+ if (pdata->have_sysif_regs && pdata->controller_ver) {
/* controller version 1.6 or above */
setbits32(non_ehci + FSL_SOC_USB_CTRL,
ULPI_PHY_CLK_SEL);
@@ -251,7 +251,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
portsc |= PORT_PTS_PTW;
/* fall through */
case FSL_USB2_PHY_UTMI:
- if (pdata->controller_ver) {
+ if (pdata->have_sysif_regs && pdata->controller_ver) {
/* controller version 1.6 or above */
setbits32(non_ehci + FSL_SOC_USB_CTRL, UTMI_PHY_EN);
mdelay(FSL_UTMI_PHY_DLY); /* Delay for UTMI PHY CLK to
@@ -267,7 +267,8 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
break;
}
- if (pdata->controller_ver && (phy_mode == FSL_USB2_PHY_ULPI)) {
+ if (pdata->have_sysif_regs && pdata->controller_ver &&
+ (phy_mode == FSL_USB2_PHY_ULPI)) {
/* check PHY_CLK_VALID to get phy clk valid */
if (!spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) &
PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0)) {
@@ -278,7 +279,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]);
- if (phy_mode != FSL_USB2_PHY_ULPI)
+ if (phy_mode != FSL_USB2_PHY_ULPI && pdata->have_sysif_regs)
setbits32(non_ehci + FSL_SOC_USB_CTRL, USB_CTRL_USB_EN);
return 0;
diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index f7bfc0b898b9..6c56297ea16b 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -43,7 +43,7 @@ static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv)
unsigned int i;
for (i = 0; i < ehci_mv->clknum; i++)
- clk_enable(ehci_mv->clk[i]);
+ clk_prepare_enable(ehci_mv->clk[i]);
}
static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)
@@ -51,7 +51,7 @@ static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)
unsigned int i;
for (i = 0; i < ehci_mv->clknum; i++)
- clk_disable(ehci_mv->clk[i]);
+ clk_disable_unprepare(ehci_mv->clk[i]);
}
static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index dabb20494826..170b9399e09f 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -200,6 +200,26 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
break;
}
+ /* optional debug port, normally in the first BAR */
+ temp = pci_find_capability(pdev, PCI_CAP_ID_DBG);
+ if (temp) {
+ pci_read_config_dword(pdev, temp, &temp);
+ temp >>= 16;
+ if (((temp >> 13) & 7) == 1) {
+ u32 hcs_params = ehci_readl(ehci,
+ &ehci->caps->hcs_params);
+
+ temp &= 0x1fff;
+ ehci->debug = hcd->regs + temp;
+ temp = ehci_readl(ehci, &ehci->debug->control);
+ ehci_info(ehci, "debug port %d%s\n",
+ HCS_DEBUG_PORT(hcs_params),
+ (temp & DBGP_ENABLED) ? " IN USE" : "");
+ if (!(temp & DBGP_ENABLED))
+ ehci->debug = NULL;
+ }
+ }
+
retval = ehci_setup(hcd);
if (retval)
return retval;
@@ -228,25 +248,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
break;
}
- /* optional debug port, normally in the first BAR */
- temp = pci_find_capability(pdev, 0x0a);
- if (temp) {
- pci_read_config_dword(pdev, temp, &temp);
- temp >>= 16;
- if ((temp & (3 << 13)) == (1 << 13)) {
- temp &= 0x1fff;
- ehci->debug = hcd->regs + temp;
- temp = ehci_readl(ehci, &ehci->debug->control);
- ehci_info(ehci, "debug port %d%s\n",
- HCS_DEBUG_PORT(ehci->hcs_params),
- (temp & DBGP_ENABLED)
- ? " IN USE"
- : "");
- if (!(temp & DBGP_ENABLED))
- ehci->debug = NULL;
- }
- }
-
/* at least the Genesys GL880S needs fixup here */
temp = HCS_N_CC(ehci->hcs_params) * HCS_N_PCC(ehci->hcs_params);
temp &= 0x0f;
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 5105127c1d4b..11e0b79ff9d5 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -142,6 +142,9 @@ static int usb_get_ver_info(struct device_node *np)
return ver;
}
+ if (of_device_is_compatible(np, "fsl,mpc5121-usb2-dr"))
+ return FSL_USB_VER_OLD;
+
if (of_device_is_compatible(np, "fsl-usb2-mph")) {
if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))
ver = FSL_USB_VER_1_6;
diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
index bd6a7447ccc9..f0ebe8e7c58b 100644
--- a/drivers/usb/host/imx21-hcd.c
+++ b/drivers/usb/host/imx21-hcd.c
@@ -58,6 +58,7 @@
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/dma-mapping.h>
+#include <linux/module.h>
#include "imx21-hcd.h"
diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c
index d370245a4ee2..5e3a6deb62b1 100644
--- a/drivers/usb/host/ohci-tmio.c
+++ b/drivers/usb/host/ohci-tmio.c
@@ -128,7 +128,8 @@ static void tmio_start_hc(struct platform_device *dev)
tmio_iowrite8(2, tmio->ccr + CCR_INTC);
dev_info(&dev->dev, "revision %d @ 0x%08llx, irq %d\n",
- tmio_ioread8(tmio->ccr + CCR_REVID), hcd->rsrc_start, hcd->irq);
+ tmio_ioread8(tmio->ccr + CCR_REVID),
+ (u64) hcd->rsrc_start, hcd->irq);
}
static int ohci_tmio_start(struct usb_hcd *hcd)
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index a686cf4905bb..68914429482f 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -761,12 +761,39 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
break;
case USB_PORT_FEAT_LINK_STATE:
temp = xhci_readl(xhci, port_array[wIndex]);
+
+ /* Disable port */
+ if (link_state == USB_SS_PORT_LS_SS_DISABLED) {
+ xhci_dbg(xhci, "Disable port %d\n", wIndex);
+ temp = xhci_port_state_to_neutral(temp);
+ /*
+ * Clear all change bits, so that we get a new
+ * connection event.
+ */
+ temp |= PORT_CSC | PORT_PEC | PORT_WRC |
+ PORT_OCC | PORT_RC | PORT_PLC |
+ PORT_CEC;
+ xhci_writel(xhci, temp | PORT_PE,
+ port_array[wIndex]);
+ temp = xhci_readl(xhci, port_array[wIndex]);
+ break;
+ }
+
+ /* Put link in RxDetect (enable port) */
+ if (link_state == USB_SS_PORT_LS_RX_DETECT) {
+ xhci_dbg(xhci, "Enable port %d\n", wIndex);
+ xhci_set_link_state(xhci, port_array, wIndex,
+ link_state);
+ temp = xhci_readl(xhci, port_array[wIndex]);
+ break;
+ }
+
/* Software should not attempt to set
- * port link state above '5' (Rx.Detect) and the port
+ * port link state above '3' (U3) and the port
* must be enabled.
*/
if ((temp & PORT_PE) == 0 ||
- (link_state > USB_SS_PORT_LS_RX_DETECT)) {
+ (link_state > USB_SS_PORT_LS_U3)) {
xhci_warn(xhci, "Cannot set link state.\n");
goto error;
}
@@ -957,6 +984,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
int max_ports;
__le32 __iomem **port_array;
struct xhci_bus_state *bus_state;
+ bool reset_change = false;
max_ports = xhci_get_ports(hcd, &port_array);
bus_state = &xhci->bus_state[hcd_index(hcd)];
@@ -988,6 +1016,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
buf[(i + 1) / 8] |= 1 << (i + 1) % 8;
status = 1;
}
+ if ((temp & PORT_RC))
+ reset_change = true;
+ }
+ if (!status && !reset_change) {
+ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
}
spin_unlock_irqrestore(&xhci->lock, flags);
return status ? retval : 0;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index fb51c7085ad0..35616ffbe3ae 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1250,6 +1250,8 @@ static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,
struct usb_host_endpoint *ep)
{
+ if (ep->desc.bInterval == 0)
+ return 0;
return xhci_microframes_to_exponent(udev, ep,
ep->desc.bInterval, 0, 15);
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index cbb44b7b9d65..59fb5c677dbe 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1725,6 +1725,15 @@ cleanup:
if (bogus_port_status)
return;
+ /*
+ * xHCI port-status-change events occur when the "or" of all the
+ * status-change bits in the portsc register changes from 0 to 1.
+ * New status changes won't cause an event if any other change
+ * bits are still set. When an event occurs, switch over to
+ * polling to avoid losing status changes.
+ */
+ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
spin_unlock(&xhci->lock);
/* Pass this up to the core */
usb_hcd_poll_rh_status(hcd);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5c72c431bab1..f1f01a834ba7 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -884,6 +884,11 @@ int xhci_suspend(struct xhci_hcd *xhci)
xhci->shared_hcd->state != HC_STATE_SUSPENDED)
return -EINVAL;
+ /* Don't poll the roothubs on bus suspend. */
+ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ del_timer_sync(&hcd->rh_timer);
+
spin_lock_irq(&xhci->lock);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
@@ -1069,6 +1074,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
compliance_mode_recovery_timer_init(xhci);
+ /* Re-enable port polling. */
+ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ usb_hcd_poll_rh_status(hcd);
+
return retval;
}
#endif /* CONFIG_PM */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-01 06:06:32 +0000