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-rw-r--r--drivers/usb/host/ehci-fsl.c2
-rw-r--r--drivers/usb/host/ehci-omap.c4
-rw-r--r--drivers/usb/host/fsl-mph-dr-of.c4
-rw-r--r--drivers/usb/host/hwa-hc.c4
-rw-r--r--drivers/usb/host/imx21-hcd.c8
-rw-r--r--drivers/usb/host/isp116x-hcd.c2
-rw-r--r--drivers/usb/host/isp1362-hcd.c2
-rw-r--r--drivers/usb/host/max3421-hcd.c2
-rw-r--r--drivers/usb/host/pci-quirks.c35
-rw-r--r--drivers/usb/host/r8a66597-hcd.c2
-rw-r--r--drivers/usb/host/sl811-hcd.c2
-rw-r--r--drivers/usb/host/u132-hcd.c2
-rw-r--r--drivers/usb/host/whci/hcd.c2
-rw-r--r--drivers/usb/host/xhci-hub.c127
-rw-r--r--drivers/usb/host/xhci-mtk.c1
-rw-r--r--drivers/usb/host/xhci-plat.c10
-rw-r--r--drivers/usb/host/xhci-rcar.c40
-rw-r--r--drivers/usb/host/xhci-ring.c22
-rw-r--r--drivers/usb/host/xhci-trace.h23
-rw-r--r--drivers/usb/host/xhci.h90
20 files changed, 285 insertions, 99 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 4a08b70c81aa..d025cc06dda7 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -642,7 +642,7 @@ static int ehci_start_port_reset(struct usb_hcd *hcd, unsigned port)
#define ehci_start_port_reset NULL
#endif /* CONFIG_USB_OTG */
-static struct ehci_driver_overrides ehci_fsl_overrides __initdata = {
+static const struct ehci_driver_overrides ehci_fsl_overrides __initconst = {
.extra_priv_size = sizeof(struct ehci_fsl),
.reset = ehci_fsl_setup,
};
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 94ea9fff13e6..4d308533bc83 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -130,8 +130,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(dev, "EHCI irq failed\n");
- return -ENODEV;
+ dev_err(dev, "EHCI irq failed: %d\n", irq);
+ return irq;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index e90ddb530765..ba557cdba8ef 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -55,8 +55,8 @@ static struct fsl_usb2_dev_data *get_dr_mode_data(struct device_node *np)
return &dr_mode_data[i];
}
}
- pr_warn("%s: Invalid 'dr_mode' property, fallback to host mode\n",
- np->full_name);
+ pr_warn("%pOF: Invalid 'dr_mode' property, fallback to host mode\n",
+ np);
return &dr_mode_data[0]; /* mode not specified, use host */
}
diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
index 1db0626c8bf4..da3b18038d23 100644
--- a/drivers/usb/host/hwa-hc.c
+++ b/drivers/usb/host/hwa-hc.c
@@ -614,7 +614,7 @@ error:
return result;
}
-static struct hc_driver hwahc_hc_driver = {
+static const struct hc_driver hwahc_hc_driver = {
.description = "hwa-hcd",
.product_desc = "Wireless USB HWA host controller",
.hcd_priv_size = sizeof(struct hwahc) - sizeof(struct usb_hcd),
@@ -860,7 +860,7 @@ static void hwahc_disconnect(struct usb_interface *usb_iface)
usb_put_hcd(usb_hcd);
}
-static struct usb_device_id hwahc_id_table[] = {
+static const struct usb_device_id hwahc_id_table[] = {
/* Alereon 5310 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x13dc, 0x5310, 0xe0, 0x02, 0x01),
.driver_info = WUSB_QUIRK_ALEREON_HWA_CONCAT_ISOC |
diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
index f542045dc2a6..39ae7fb64b6f 100644
--- a/drivers/usb/host/imx21-hcd.c
+++ b/drivers/usb/host/imx21-hcd.c
@@ -1779,7 +1779,7 @@ static void imx21_hc_stop(struct usb_hcd *hcd)
/* Driver glue */
/* =========================================== */
-static struct hc_driver imx21_hc_driver = {
+static const struct hc_driver imx21_hc_driver = {
.description = hcd_name,
.product_desc = "IMX21 USB Host Controller",
.hcd_priv_size = sizeof(struct imx21),
@@ -1849,8 +1849,10 @@ static int imx21_probe(struct platform_device *pdev)
if (!res)
return -ENODEV;
irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return -ENXIO;
+ if (irq < 0) {
+ dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq);
+ return irq;
+ }
hcd = usb_create_hcd(&imx21_hc_driver,
&pdev->dev, dev_name(&pdev->dev));
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index d089b3fb7a13..73fec38754f9 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1511,7 +1511,7 @@ static int isp116x_bus_resume(struct usb_hcd *hcd)
#endif
-static struct hc_driver isp116x_hc_driver = {
+static const struct hc_driver isp116x_hc_driver = {
.description = hcd_name,
.product_desc = "ISP116x Host Controller",
.hcd_priv_size = sizeof(struct isp116x),
diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 0f2b4b358e1a..9b7e307e2d54 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -2591,7 +2591,7 @@ static int isp1362_hc_start(struct usb_hcd *hcd)
/*-------------------------------------------------------------------------*/
-static struct hc_driver isp1362_hc_driver = {
+static const struct hc_driver isp1362_hc_driver = {
.description = hcd_name,
.product_desc = "ISP1362 Host Controller",
.hcd_priv_size = sizeof(struct isp1362_hcd),
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index 369869a29ebd..0ece9a9341e5 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -1811,7 +1811,7 @@ max3421_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
{
}
-static struct hc_driver max3421_hcd_desc = {
+static const struct hc_driver max3421_hcd_desc = {
.description = "max3421",
.product_desc = DRIVER_DESC,
.hcd_priv_size = sizeof(struct max3421_hcd),
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index c8f38649f749..658d9d1f9ea3 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -142,29 +142,30 @@ static int amd_chipset_sb_type_init(struct amd_chipset_info *pinfo)
pinfo->sb_type.gen = AMD_CHIPSET_SB700;
else if (rev >= 0x40 && rev <= 0x4f)
pinfo->sb_type.gen = AMD_CHIPSET_SB800;
- }
- pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
- 0x145c, NULL);
- if (pinfo->smbus_dev) {
- pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
} else {
pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);
- if (!pinfo->smbus_dev) {
- pinfo->sb_type.gen = NOT_AMD_CHIPSET;
- return 0;
+ if (pinfo->smbus_dev) {
+ rev = pinfo->smbus_dev->revision;
+ if (rev >= 0x11 && rev <= 0x14)
+ pinfo->sb_type.gen = AMD_CHIPSET_HUDSON2;
+ else if (rev >= 0x15 && rev <= 0x18)
+ pinfo->sb_type.gen = AMD_CHIPSET_BOLTON;
+ else if (rev >= 0x39 && rev <= 0x3a)
+ pinfo->sb_type.gen = AMD_CHIPSET_YANGTZE;
+ } else {
+ pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+ 0x145c, NULL);
+ if (pinfo->smbus_dev) {
+ rev = pinfo->smbus_dev->revision;
+ pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
+ } else {
+ pinfo->sb_type.gen = NOT_AMD_CHIPSET;
+ return 0;
+ }
}
-
- rev = pinfo->smbus_dev->revision;
- if (rev >= 0x11 && rev <= 0x14)
- pinfo->sb_type.gen = AMD_CHIPSET_HUDSON2;
- else if (rev >= 0x15 && rev <= 0x18)
- pinfo->sb_type.gen = AMD_CHIPSET_BOLTON;
- else if (rev >= 0x39 && rev <= 0x3a)
- pinfo->sb_type.gen = AMD_CHIPSET_YANGTZE;
}
-
pinfo->sb_type.rev = rev;
return 1;
}
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 7bf78be1fd32..5e5fc9d7d533 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -2312,7 +2312,7 @@ static int r8a66597_bus_resume(struct usb_hcd *hcd)
#define r8a66597_bus_resume NULL
#endif
-static struct hc_driver r8a66597_hc_driver = {
+static const struct hc_driver r8a66597_hc_driver = {
.description = hcd_name,
.hcd_priv_size = sizeof(struct r8a66597),
.irq = r8a66597_irq,
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index fd2a11473be7..24ad1d6cec25 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1554,7 +1554,7 @@ sl811h_start(struct usb_hcd *hcd)
/*-------------------------------------------------------------------------*/
-static struct hc_driver sl811h_hc_driver = {
+static const struct hc_driver sl811h_hc_driver = {
.description = hcd_name,
.hcd_priv_size = sizeof(struct sl811),
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 43d52931b5bf..c38855aed62c 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -2941,7 +2941,7 @@ static int u132_bus_resume(struct usb_hcd *hcd)
#define u132_bus_suspend NULL
#define u132_bus_resume NULL
#endif
-static struct hc_driver u132_hc_driver = {
+static const struct hc_driver u132_hc_driver = {
.description = hcd_name,
.hcd_priv_size = sizeof(struct u132),
.irq = NULL,
diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c
index 5b3603c360ab..cf84269c3e6d 100644
--- a/drivers/usb/host/whci/hcd.c
+++ b/drivers/usb/host/whci/hcd.c
@@ -213,7 +213,7 @@ static void whc_endpoint_reset(struct usb_hcd *usb_hcd,
}
-static struct hc_driver whc_hc_driver = {
+static const struct hc_driver whc_hc_driver = {
.description = "whci-hcd",
.product_desc = "Wireless host controller",
.hcd_priv_size = sizeof(struct whc) - sizeof(struct usb_hcd),
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 00721e8807ab..ad89a6d4111b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1179,6 +1179,39 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
break;
}
+ /*
+ * For xHCI 1.1 according to section 4.19.1.2.4.1 a
+ * root hub port's transition to compliance mode upon
+ * detecting LFPS timeout may be controlled by an
+ * Compliance Transition Enabled (CTE) flag (not
+ * software visible). This flag is set by writing 0xA
+ * to PORTSC PLS field which will allow transition to
+ * compliance mode the next time LFPS timeout is
+ * encountered. A warm reset will clear it.
+ *
+ * The CTE flag is only supported if the HCCPARAMS2 CTC
+ * flag is set, otherwise, the compliance substate is
+ * automatically entered as on 1.0 and prior.
+ */
+ if (link_state == USB_SS_PORT_LS_COMP_MOD) {
+ if (!HCC2_CTC(xhci->hcc_params2)) {
+ xhci_dbg(xhci, "CTC flag is 0, port already supports entering compliance mode\n");
+ break;
+ }
+
+ if ((temp & PORT_CONNECT)) {
+ xhci_warn(xhci, "Can't set compliance mode when port is connected\n");
+ goto error;
+ }
+
+ xhci_dbg(xhci, "Enable compliance mode transition for port %d\n",
+ wIndex);
+ xhci_set_link_state(xhci, port_array, wIndex,
+ link_state);
+ temp = readl(port_array[wIndex]);
+ break;
+ }
+
/* Software should not attempt to set
* port link state above '3' (U3) and the port
* must be enabled.
@@ -1521,15 +1554,14 @@ static bool xhci_port_missing_cas_quirk(int port_index,
int xhci_bus_resume(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- int max_ports, port_index;
- __le32 __iomem **port_array;
struct xhci_bus_state *bus_state;
- u32 temp;
+ __le32 __iomem **port_array;
unsigned long flags;
- unsigned long port_was_suspended = 0;
- bool need_usb2_u3_exit = false;
+ int max_ports, port_index;
int slot_id;
int sret;
+ u32 next_state;
+ u32 temp, portsc;
max_ports = xhci_get_ports(hcd, &port_array);
bus_state = &xhci->bus_state[hcd_index(hcd)];
@@ -1548,68 +1580,77 @@ int xhci_bus_resume(struct usb_hcd *hcd)
temp &= ~CMD_EIE;
writel(temp, &xhci->op_regs->command);
+ /* bus specific resume for ports we suspended at bus_suspend */
+ if (hcd->speed >= HCD_USB3)
+ next_state = XDEV_U0;
+ else
+ next_state = XDEV_RESUME;
+
port_index = max_ports;
while (port_index--) {
- /* Check whether need resume ports. If needed
- resume port and disable remote wakeup */
- u32 temp;
-
- temp = readl(port_array[port_index]);
+ portsc = readl(port_array[port_index]);
/* warm reset CAS limited ports stuck in polling/compliance */
if ((xhci->quirks & XHCI_MISSING_CAS) &&
(hcd->speed >= HCD_USB3) &&
xhci_port_missing_cas_quirk(port_index, port_array)) {
xhci_dbg(xhci, "reset stuck port %d\n", port_index);
+ clear_bit(port_index, &bus_state->bus_suspended);
continue;
}
- if (DEV_SUPERSPEED_ANY(temp))
- temp &= ~(PORT_RWC_BITS | PORT_CEC | PORT_WAKE_BITS);
- else
- temp &= ~(PORT_RWC_BITS | PORT_WAKE_BITS);
- if (test_bit(port_index, &bus_state->bus_suspended) &&
- (temp & PORT_PLS_MASK)) {
- set_bit(port_index, &port_was_suspended);
- if (!DEV_SUPERSPEED_ANY(temp)) {
- xhci_set_link_state(xhci, port_array,
- port_index, XDEV_RESUME);
- need_usb2_u3_exit = true;
+ /* resume if we suspended the link, and it is still suspended */
+ if (test_bit(port_index, &bus_state->bus_suspended))
+ switch (portsc & PORT_PLS_MASK) {
+ case XDEV_U3:
+ portsc = xhci_port_state_to_neutral(portsc);
+ portsc &= ~PORT_PLS_MASK;
+ portsc |= PORT_LINK_STROBE | next_state;
+ break;
+ case XDEV_RESUME:
+ /* resume already initiated */
+ break;
+ default:
+ /* not in a resumeable state, ignore it */
+ clear_bit(port_index,
+ &bus_state->bus_suspended);
+ break;
}
- } else
- writel(temp, port_array[port_index]);
- }
-
- if (need_usb2_u3_exit) {
- spin_unlock_irqrestore(&xhci->lock, flags);
- msleep(USB_RESUME_TIMEOUT);
- spin_lock_irqsave(&xhci->lock, flags);
+ /* disable wake for all ports, write new link state if needed */
+ portsc &= ~(PORT_RWC_BITS | PORT_CEC | PORT_WAKE_BITS);
+ writel(portsc, port_array[port_index]);
}
- port_index = max_ports;
- while (port_index--) {
- if (!(port_was_suspended & BIT(port_index)))
- continue;
- /* Clear PLC to poll it later after XDEV_U0 */
- xhci_test_and_clear_bit(xhci, port_array, port_index, PORT_PLC);
- xhci_set_link_state(xhci, port_array, port_index, XDEV_U0);
+ /* USB2 specific resume signaling delay and U0 link state transition */
+ if (hcd->speed < HCD_USB3) {
+ if (bus_state->bus_suspended) {
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ msleep(USB_RESUME_TIMEOUT);
+ spin_lock_irqsave(&xhci->lock, flags);
+ }
+ for_each_set_bit(port_index, &bus_state->bus_suspended,
+ BITS_PER_LONG) {
+ /* Clear PLC to poll it later for U0 transition */
+ xhci_test_and_clear_bit(xhci, port_array, port_index,
+ PORT_PLC);
+ xhci_set_link_state(xhci, port_array, port_index,
+ XDEV_U0);
+ }
}
- port_index = max_ports;
- while (port_index--) {
- if (!(port_was_suspended & BIT(port_index)))
- continue;
- /* Poll and Clear PLC */
+ /* poll for U0 link state complete, both USB2 and USB3 */
+ for_each_set_bit(port_index, &bus_state->bus_suspended, BITS_PER_LONG) {
sret = xhci_handshake(port_array[port_index], PORT_PLC,
PORT_PLC, 10 * 1000);
- if (sret)
+ if (sret) {
xhci_warn(xhci, "port %d resume PLC timeout\n",
port_index);
+ continue;
+ }
xhci_test_and_clear_bit(xhci, port_array, port_index, PORT_PLC);
slot_id = xhci_find_slot_id_by_port(hcd, xhci, port_index + 1);
if (slot_id)
xhci_ring_device(xhci, slot_id);
}
-
(void) readl(&xhci->op_regs->command);
bus_state->next_statechange = jiffies + msecs_to_jiffies(5);
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 67d5dc79b6b5..8fb60657ed4f 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -795,6 +795,7 @@ static const struct dev_pm_ops xhci_mtk_pm_ops = {
#ifdef CONFIG_OF
static const struct of_device_id mtk_xhci_of_match[] = {
{ .compatible = "mediatek,mt8173-xhci"},
+ { .compatible = "mediatek,mtk-xhci"},
{ },
};
MODULE_DEVICE_TABLE(of, mtk_xhci_of_match);
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index c04144b25a67..163bafde709f 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -107,14 +107,6 @@ static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen2 = {
};
static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = {
- .firmware_name = XHCI_RCAR_FIRMWARE_NAME_V2,
- .init_quirk = xhci_rcar_init_quirk,
- .plat_start = xhci_rcar_start,
- .resume_quirk = xhci_rcar_resume_quirk,
-};
-
-static const struct xhci_plat_priv xhci_plat_renesas_rcar_r8a7796 = {
- .firmware_name = XHCI_RCAR_FIRMWARE_NAME_V3,
.init_quirk = xhci_rcar_init_quirk,
.plat_start = xhci_rcar_start,
.resume_quirk = xhci_rcar_resume_quirk,
@@ -145,7 +137,7 @@ static const struct of_device_id usb_xhci_of_match[] = {
.data = &xhci_plat_renesas_rcar_gen3,
}, {
.compatible = "renesas,xhci-r8a7796",
- .data = &xhci_plat_renesas_rcar_r8a7796,
+ .data = &xhci_plat_renesas_rcar_gen3,
}, {
.compatible = "renesas,rcar-gen2-xhci",
.data = &xhci_plat_renesas_rcar_gen2,
diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index 07278228214b..198bc188ab25 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -13,13 +13,15 @@
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/usb/phy.h>
+#include <linux/sys_soc.h>
#include "xhci.h"
#include "xhci-plat.h"
#include "xhci-rcar.h"
/*
-* - The V3 firmware is for r8a7796 (with good performance).
+* - The V3 firmware is for r8a7796 (with good performance) and r8a7795 es2.0
+* or later.
* - The V2 firmware can be used on both r8a7795 (es1.x) and r8a7796.
* - The V2 firmware is possible to use on R-Car Gen2. However, the V2 causes
* performance degradation. So, this driver continues to use the V1 if R-Car
@@ -67,6 +69,26 @@ MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V3);
#define RCAR_USB3_RX_POL_VAL BIT(21)
#define RCAR_USB3_TX_POL_VAL BIT(4)
+/* For soc_device_attribute */
+#define RCAR_XHCI_FIRMWARE_V2 BIT(0) /* FIRMWARE V2 */
+#define RCAR_XHCI_FIRMWARE_V3 BIT(1) /* FIRMWARE V3 */
+
+static const struct soc_device_attribute rcar_quirks_match[] = {
+ {
+ .soc_id = "r8a7795", .revision = "ES1.*",
+ .data = (void *)RCAR_XHCI_FIRMWARE_V2,
+ },
+ {
+ .soc_id = "r8a7795",
+ .data = (void *)RCAR_XHCI_FIRMWARE_V3,
+ },
+ {
+ .soc_id = "r8a7796",
+ .data = (void *)RCAR_XHCI_FIRMWARE_V3,
+ },
+ { /* sentinel */ },
+};
+
static void xhci_rcar_start_gen2(struct usb_hcd *hcd)
{
/* LCLK Select */
@@ -122,9 +144,23 @@ static int xhci_rcar_download_firmware(struct usb_hcd *hcd)
int retval, index, j, time;
int timeout = 10000;
u32 data, val, temp;
+ u32 quirks = 0;
+ const struct soc_device_attribute *attr;
+ const char *firmware_name;
+
+ attr = soc_device_match(rcar_quirks_match);
+ if (attr)
+ quirks = (uintptr_t)attr->data;
+
+ if (quirks & RCAR_XHCI_FIRMWARE_V2)
+ firmware_name = XHCI_RCAR_FIRMWARE_NAME_V2;
+ else if (quirks & RCAR_XHCI_FIRMWARE_V3)
+ firmware_name = XHCI_RCAR_FIRMWARE_NAME_V3;
+ else
+ firmware_name = priv->firmware_name;
/* request R-Car USB3.0 firmware */
- retval = request_firmware(&fw, priv->firmware_name, dev);
+ retval = request_firmware(&fw, firmware_name, dev);
if (retval)
return retval;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index cc368ad2b51e..a9443651ce0f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1572,7 +1572,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
{
struct usb_hcd *hcd;
u32 port_id;
- u32 temp, temp1;
+ u32 portsc, cmd_reg;
int max_ports;
int slot_id;
unsigned int faked_port_index;
@@ -1636,26 +1636,28 @@ static void handle_port_status(struct xhci_hcd *xhci,
/* Find the faked port hub number */
faked_port_index = find_faked_portnum_from_hw_portnum(hcd, xhci,
port_id);
+ portsc = readl(port_array[faked_port_index]);
+
+ trace_xhci_handle_port_status(faked_port_index, portsc);
- temp = readl(port_array[faked_port_index]);
if (hcd->state == HC_STATE_SUSPENDED) {
xhci_dbg(xhci, "resume root hub\n");
usb_hcd_resume_root_hub(hcd);
}
- if (hcd->speed >= HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE)
+ if (hcd->speed >= HCD_USB3 && (portsc & PORT_PLS_MASK) == XDEV_INACTIVE)
bus_state->port_remote_wakeup &= ~(1 << faked_port_index);
- if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) {
+ if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) {
xhci_dbg(xhci, "port resume event for port %d\n", port_id);
- temp1 = readl(&xhci->op_regs->command);
- if (!(temp1 & CMD_RUN)) {
+ cmd_reg = readl(&xhci->op_regs->command);
+ if (!(cmd_reg & CMD_RUN)) {
xhci_warn(xhci, "xHC is not running.\n");
goto cleanup;
}
- if (DEV_SUPERSPEED_ANY(temp)) {
+ if (DEV_SUPERSPEED_ANY(portsc)) {
xhci_dbg(xhci, "remote wake SS port %d\n", port_id);
/* Set a flag to say the port signaled remote wakeup,
* so we can tell the difference between the end of
@@ -1683,8 +1685,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
}
}
- if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_U0 &&
- DEV_SUPERSPEED_ANY(temp)) {
+ if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_U0 &&
+ DEV_SUPERSPEED_ANY(portsc)) {
xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
/* We've just brought the device into U0 through either the
* Resume state after a device remote wakeup, or through the
@@ -1714,7 +1716,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
* RExit to a disconnect state). If so, let the the driver know it's
* out of the RExit state.
*/
- if (!DEV_SUPERSPEED_ANY(temp) &&
+ if (!DEV_SUPERSPEED_ANY(portsc) &&
test_and_clear_bit(faked_port_index,
&bus_state->rexit_ports)) {
complete(&bus_state->rexit_done[faked_port_index]);
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index 8ce96de10e8a..f20753b99624 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -453,6 +453,29 @@ DEFINE_EVENT(xhci_log_ring, xhci_inc_deq,
TP_PROTO(struct xhci_ring *ring),
TP_ARGS(ring)
);
+
+DECLARE_EVENT_CLASS(xhci_log_portsc,
+ TP_PROTO(u32 portnum, u32 portsc),
+ TP_ARGS(portnum, portsc),
+ TP_STRUCT__entry(
+ __field(u32, portnum)
+ __field(u32, portsc)
+ ),
+ TP_fast_assign(
+ __entry->portnum = portnum;
+ __entry->portsc = portsc;
+ ),
+ TP_printk("port-%d: %s",
+ __entry->portnum,
+ xhci_decode_portsc(__entry->portsc)
+ )
+);
+
+DEFINE_EVENT(xhci_log_portsc, xhci_handle_port_status,
+ TP_PROTO(u32 portnum, u32 portsc),
+ TP_ARGS(portnum, portsc)
+);
+
#endif /* __XHCI_TRACE_H */
/* this part must be outside header guard */
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index e3e935291ed6..2abaa4d6d39d 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -311,12 +311,19 @@ struct xhci_op_regs {
*/
#define PORT_PLS_MASK (0xf << 5)
#define XDEV_U0 (0x0 << 5)
+#define XDEV_U1 (0x1 << 5)
#define XDEV_U2 (0x2 << 5)
#define XDEV_U3 (0x3 << 5)
+#define XDEV_DISABLED (0x4 << 5)
+#define XDEV_RXDETECT (0x5 << 5)
#define XDEV_INACTIVE (0x6 << 5)
#define XDEV_POLLING (0x7 << 5)
-#define XDEV_COMP_MODE (0xa << 5)
+#define XDEV_RECOVERY (0x8 << 5)
+#define XDEV_HOT_RESET (0x9 << 5)
+#define XDEV_COMP_MODE (0xa << 5)
+#define XDEV_TEST_MODE (0xb << 5)
#define XDEV_RESUME (0xf << 5)
+
/* true: port has power (see HCC_PPC) */
#define PORT_POWER (1 << 9)
/* bits 10:13 indicate device speed:
@@ -2392,6 +2399,87 @@ static inline const char *xhci_decode_slot_context(u32 info, u32 info2,
return str;
}
+
+static inline const char *xhci_portsc_link_state_string(u32 portsc)
+{
+ switch (portsc & PORT_PLS_MASK) {
+ case XDEV_U0:
+ return "U0";
+ case XDEV_U1:
+ return "U1";
+ case XDEV_U2:
+ return "U2";
+ case XDEV_U3:
+ return "U3";
+ case XDEV_DISABLED:
+ return "Disabled";
+ case XDEV_RXDETECT:
+ return "RxDetect";
+ case XDEV_INACTIVE:
+ return "Inactive";
+ case XDEV_POLLING:
+ return "Polling";
+ case XDEV_RECOVERY:
+ return "Recovery";
+ case XDEV_HOT_RESET:
+ return "Hot Reset";
+ case XDEV_COMP_MODE:
+ return "Compliance mode";
+ case XDEV_TEST_MODE:
+ return "Test mode";
+ case XDEV_RESUME:
+ return "Resume";
+ default:
+ break;
+ }
+ return "Unknown";
+}
+
+static inline const char *xhci_decode_portsc(u32 portsc)
+{
+ static char str[256];
+ int ret;
+
+ ret = sprintf(str, "%s %s %s Link:%s ",
+ portsc & PORT_POWER ? "Powered" : "Powered-off",
+ portsc & PORT_CONNECT ? "Connected" : "Not-connected",
+ portsc & PORT_PE ? "Enabled" : "Disabled",
+ xhci_portsc_link_state_string(portsc));
+
+ if (portsc & PORT_OC)
+ ret += sprintf(str + ret, "OverCurrent ");
+ if (portsc & PORT_RESET)
+ ret += sprintf(str + ret, "In-Reset ");
+
+ ret += sprintf(str + ret, "Change: ");
+ if (portsc & PORT_CSC)
+ ret += sprintf(str + ret, "CSC ");
+ if (portsc & PORT_PEC)
+ ret += sprintf(str + ret, "PEC ");
+ if (portsc & PORT_WRC)
+ ret += sprintf(str + ret, "WRC ");
+ if (portsc & PORT_OCC)
+ ret += sprintf(str + ret, "OCC ");
+ if (portsc & PORT_RC)
+ ret += sprintf(str + ret, "PRC ");
+ if (portsc & PORT_PLC)
+ ret += sprintf(str + ret, "PLC ");
+ if (portsc & PORT_CEC)
+ ret += sprintf(str + ret, "CEC ");
+ if (portsc & PORT_CAS)
+ ret += sprintf(str + ret, "CAS ");
+
+ ret += sprintf(str + ret, "Wake: ");
+ if (portsc & PORT_WKCONN_E)
+ ret += sprintf(str + ret, "WCE ");
+ if (portsc & PORT_WKDISC_E)
+ ret += sprintf(str + ret, "WDE ");
+ if (portsc & PORT_WKOC_E)
+ ret += sprintf(str + ret, "WOE ");
+
+ return str;
+}
+
static inline const char *xhci_ep_state_string(u8 state)
{
switch (state) {
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 02:39:19 +0300