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-rw-r--r--drivers/usb/host/Kconfig33
-rw-r--r--drivers/usb/host/ehci-au1xxx.c2
-rw-r--r--drivers/usb/host/ehci-fsl.c2
-rw-r--r--drivers/usb/host/ehci-hcd.c37
-rw-r--r--drivers/usb/host/ehci-ixp4xx.c2
-rw-r--r--drivers/usb/host/ehci-orion.c2
-rw-r--r--drivers/usb/host/ehci-pci.c2
-rw-r--r--drivers/usb/host/ehci-ppc-of.c2
-rw-r--r--drivers/usb/host/ehci-ps3.c2
-rw-r--r--drivers/usb/host/ehci-q.c140
-rw-r--r--drivers/usb/host/ehci-sched.c12
-rw-r--r--drivers/usb/host/ehci.h2
-rw-r--r--drivers/usb/host/fhci-sched.c8
-rw-r--r--drivers/usb/host/isp1760-if.c2
-rw-r--r--drivers/usb/host/r8a66597-hcd.c1
15 files changed, 164 insertions, 85 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 1576a0520adf..1a920c70b5a1 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -181,26 +181,27 @@ config USB_OHCI_HCD_PPC_SOC
Enables support for the USB controller on the MPC52xx or
STB03xxx processor chip. If unsure, say Y.
-config USB_OHCI_HCD_PPC_OF
- bool "OHCI support for PPC USB controller on OF platform bus"
- depends on USB_OHCI_HCD && PPC_OF
- default y
- ---help---
- Enables support for the USB controller PowerPC present on the
- OpenFirmware platform bus.
-
config USB_OHCI_HCD_PPC_OF_BE
- bool "Support big endian HC"
- depends on USB_OHCI_HCD_PPC_OF
- default y
+ bool "OHCI support for OF platform bus (big endian)"
+ depends on USB_OHCI_HCD && PPC_OF
select USB_OHCI_BIG_ENDIAN_DESC
select USB_OHCI_BIG_ENDIAN_MMIO
+ ---help---
+ Enables support for big-endian USB controllers present on the
+ OpenFirmware platform bus.
config USB_OHCI_HCD_PPC_OF_LE
- bool "Support little endian HC"
- depends on USB_OHCI_HCD_PPC_OF
- default n
+ bool "OHCI support for OF platform bus (little endian)"
+ depends on USB_OHCI_HCD && PPC_OF
select USB_OHCI_LITTLE_ENDIAN
+ ---help---
+ Enables support for little-endian USB controllers present on the
+ OpenFirmware platform bus.
+
+config USB_OHCI_HCD_PPC_OF
+ bool
+ depends on USB_OHCI_HCD && PPC_OF
+ default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE
config USB_OHCI_HCD_PCI
bool "OHCI support for PCI-bus USB controllers"
@@ -337,10 +338,10 @@ config USB_R8A66597_HCD
config SUPERH_ON_CHIP_R8A66597
boolean "Enable SuperH on-chip R8A66597 USB"
- depends on USB_R8A66597_HCD && (CPU_SUBTYPE_SH7366 || CPU_SUBTYPE_SH7723)
+ depends on USB_R8A66597_HCD && (CPU_SUBTYPE_SH7366 || CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7724)
help
This driver enables support for the on-chip R8A66597 in the
- SH7366 and SH7723 processors.
+ SH7366, SH7723 and SH7724 processors.
config USB_WHCI_HCD
tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index c3a778bd359c..59d208d94d4e 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -113,6 +113,8 @@ static const struct hc_driver ehci_au1xxx_hc_driver = {
.bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index bf86809c5120..991174937db3 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -325,6 +325,8 @@ static const struct hc_driver ehci_fsl_hc_driver = {
.bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int ehci_fsl_drv_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 2b72473544d3..7d03549c3339 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1003,6 +1003,8 @@ idle_timeout:
schedule_timeout_uninterruptible(1);
goto rescan;
case QH_STATE_IDLE: /* fully unlinked */
+ if (qh->clearing_tt)
+ goto idle_timeout;
if (list_empty (&qh->qtd_list)) {
qh_put (qh);
break;
@@ -1030,12 +1032,14 @@ ehci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct ehci_qh *qh;
int eptype = usb_endpoint_type(&ep->desc);
+ int epnum = usb_endpoint_num(&ep->desc);
+ int is_out = usb_endpoint_dir_out(&ep->desc);
+ unsigned long flags;
if (eptype != USB_ENDPOINT_XFER_BULK && eptype != USB_ENDPOINT_XFER_INT)
return;
- rescan:
- spin_lock_irq(&ehci->lock);
+ spin_lock_irqsave(&ehci->lock, flags);
qh = ep->hcpriv;
/* For Bulk and Interrupt endpoints we maintain the toggle state
@@ -1044,29 +1048,24 @@ ehci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep)
* the toggle bit in the QH.
*/
if (qh) {
+ usb_settoggle(qh->dev, epnum, is_out, 0);
if (!list_empty(&qh->qtd_list)) {
WARN_ONCE(1, "clear_halt for a busy endpoint\n");
- } else if (qh->qh_state == QH_STATE_IDLE) {
- qh->hw_token &= ~cpu_to_hc32(ehci, QTD_TOGGLE);
- } else {
- /* It's not safe to write into the overlay area
- * while the QH is active. Unlink it first and
- * wait for the unlink to complete.
+ } else if (qh->qh_state == QH_STATE_LINKED) {
+
+ /* The toggle value in the QH can't be updated
+ * while the QH is active. Unlink it now;
+ * re-linking will call qh_refresh().
*/
- if (qh->qh_state == QH_STATE_LINKED) {
- if (eptype == USB_ENDPOINT_XFER_BULK) {
- unlink_async(ehci, qh);
- } else {
- intr_deschedule(ehci, qh);
- (void) qh_schedule(ehci, qh);
- }
+ if (eptype == USB_ENDPOINT_XFER_BULK) {
+ unlink_async(ehci, qh);
+ } else {
+ intr_deschedule(ehci, qh);
+ (void) qh_schedule(ehci, qh);
}
- spin_unlock_irq(&ehci->lock);
- schedule_timeout_uninterruptible(1);
- goto rescan;
}
}
- spin_unlock_irq(&ehci->lock);
+ spin_unlock_irqrestore(&ehci->lock, flags);
}
static int ehci_get_frame (struct usb_hcd *hcd)
diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
index a44bb4a94954..89b7c70c6ed6 100644
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ b/drivers/usb/host/ehci-ixp4xx.c
@@ -61,6 +61,8 @@ static const struct hc_driver ixp4xx_ehci_hc_driver = {
#endif
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int ixp4xx_ehci_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 770dd9aba62a..dc2ac613a9d1 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -165,6 +165,8 @@ static const struct hc_driver ehci_orion_hc_driver = {
.bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static void __init
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index f3683e1da161..c2f1b7df918c 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -404,6 +404,8 @@ static const struct hc_driver ehci_pci_hc_driver = {
.bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index fbd272288fc2..36f96da129f5 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -79,6 +79,8 @@ static const struct hc_driver ehci_ppc_of_hc_driver = {
#endif
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c
index 93f7035d00a1..1dee33b9139e 100644
--- a/drivers/usb/host/ehci-ps3.c
+++ b/drivers/usb/host/ehci-ps3.c
@@ -75,6 +75,8 @@ static const struct hc_driver ps3_ehci_hc_driver = {
#endif
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int __devinit ps3_ehci_probe(struct ps3_system_bus_device *dev)
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 3192f683f807..9a1384747f3b 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -93,6 +93,22 @@ qh_update (struct ehci_hcd *ehci, struct ehci_qh *qh, struct ehci_qtd *qtd)
qh->hw_qtd_next = QTD_NEXT(ehci, qtd->qtd_dma);
qh->hw_alt_next = EHCI_LIST_END(ehci);
+ /* Except for control endpoints, we make hardware maintain data
+ * toggle (like OHCI) ... here (re)initialize the toggle in the QH,
+ * and set the pseudo-toggle in udev. Only usb_clear_halt() will
+ * ever clear it.
+ */
+ if (!(qh->hw_info1 & cpu_to_hc32(ehci, 1 << 14))) {
+ unsigned is_out, epnum;
+
+ is_out = !(qtd->hw_token & cpu_to_hc32(ehci, 1 << 8));
+ epnum = (hc32_to_cpup(ehci, &qh->hw_info1) >> 8) & 0x0f;
+ if (unlikely (!usb_gettoggle (qh->dev, epnum, is_out))) {
+ qh->hw_token &= ~cpu_to_hc32(ehci, QTD_TOGGLE);
+ usb_settoggle (qh->dev, epnum, is_out, 1);
+ }
+ }
+
/* HC must see latest qtd and qh data before we clear ACTIVE+HALT */
wmb ();
qh->hw_token &= cpu_to_hc32(ehci, QTD_TOGGLE | QTD_STS_PING);
@@ -123,6 +139,55 @@ qh_refresh (struct ehci_hcd *ehci, struct ehci_qh *qh)
/*-------------------------------------------------------------------------*/
+static void qh_link_async(struct ehci_hcd *ehci, struct ehci_qh *qh);
+
+static void ehci_clear_tt_buffer_complete(struct usb_hcd *hcd,
+ struct usb_host_endpoint *ep)
+{
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ struct ehci_qh *qh = ep->hcpriv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ehci->lock, flags);
+ qh->clearing_tt = 0;
+ if (qh->qh_state == QH_STATE_IDLE && !list_empty(&qh->qtd_list)
+ && HC_IS_RUNNING(hcd->state))
+ qh_link_async(ehci, qh);
+ spin_unlock_irqrestore(&ehci->lock, flags);
+}
+
+static void ehci_clear_tt_buffer(struct ehci_hcd *ehci, struct ehci_qh *qh,
+ struct urb *urb, u32 token)
+{
+
+ /* If an async split transaction gets an error or is unlinked,
+ * the TT buffer may be left in an indeterminate state. We
+ * have to clear the TT buffer.
+ *
+ * Note: this routine is never called for Isochronous transfers.
+ */
+ if (urb->dev->tt && !usb_pipeint(urb->pipe) && !qh->clearing_tt) {
+#ifdef DEBUG
+ struct usb_device *tt = urb->dev->tt->hub;
+ dev_dbg(&tt->dev,
+ "clear tt buffer port %d, a%d ep%d t%08x\n",
+ urb->dev->ttport, urb->dev->devnum,
+ usb_pipeendpoint(urb->pipe), token);
+#endif /* DEBUG */
+ if (!ehci_is_TDI(ehci)
+ || urb->dev->tt->hub !=
+ ehci_to_hcd(ehci)->self.root_hub) {
+ if (usb_hub_clear_tt_buffer(urb) == 0)
+ qh->clearing_tt = 1;
+ } else {
+
+ /* REVISIT ARC-derived cores don't clear the root
+ * hub TT buffer in this way...
+ */
+ }
+ }
+}
+
static int qtd_copy_status (
struct ehci_hcd *ehci,
struct urb *urb,
@@ -149,6 +214,14 @@ static int qtd_copy_status (
if (token & QTD_STS_BABBLE) {
/* FIXME "must" disable babbling device's port too */
status = -EOVERFLOW;
+ /* CERR nonzero + halt --> stall */
+ } else if (QTD_CERR(token)) {
+ status = -EPIPE;
+
+ /* In theory, more than one of the following bits can be set
+ * since they are sticky and the transaction is retried.
+ * Which to test first is rather arbitrary.
+ */
} else if (token & QTD_STS_MMF) {
/* fs/ls interrupt xfer missed the complete-split */
status = -EPROTO;
@@ -157,21 +230,15 @@ static int qtd_copy_status (
? -ENOSR /* hc couldn't read data */
: -ECOMM; /* hc couldn't write data */
} else if (token & QTD_STS_XACT) {
- /* timeout, bad crc, wrong PID, etc; retried */
- if (QTD_CERR (token))
- status = -EPIPE;
- else {
- ehci_dbg (ehci, "devpath %s ep%d%s 3strikes\n",
- urb->dev->devpath,
- usb_pipeendpoint (urb->pipe),
- usb_pipein (urb->pipe) ? "in" : "out");
- status = -EPROTO;
- }
- /* CERR nonzero + no errors + halt --> stall */
- } else if (QTD_CERR (token))
- status = -EPIPE;
- else /* unknown */
+ /* timeout, bad CRC, wrong PID, etc */
+ ehci_dbg(ehci, "devpath %s ep%d%s 3strikes\n",
+ urb->dev->devpath,
+ usb_pipeendpoint(urb->pipe),
+ usb_pipein(urb->pipe) ? "in" : "out");
+ status = -EPROTO;
+ } else { /* unknown */
status = -EPROTO;
+ }
ehci_vdbg (ehci,
"dev%d ep%d%s qtd token %08x --> status %d\n",
@@ -179,28 +246,6 @@ static int qtd_copy_status (
usb_pipeendpoint (urb->pipe),
usb_pipein (urb->pipe) ? "in" : "out",
token, status);
-
- /* if async CSPLIT failed, try cleaning out the TT buffer */
- if (status != -EPIPE
- && urb->dev->tt
- && !usb_pipeint(urb->pipe)
- && ((token & QTD_STS_MMF) != 0
- || QTD_CERR(token) == 0)
- && (!ehci_is_TDI(ehci)
- || urb->dev->tt->hub !=
- ehci_to_hcd(ehci)->self.root_hub)) {
-#ifdef DEBUG
- struct usb_device *tt = urb->dev->tt->hub;
- dev_dbg (&tt->dev,
- "clear tt buffer port %d, a%d ep%d t%08x\n",
- urb->dev->ttport, urb->dev->devnum,
- usb_pipeendpoint (urb->pipe), token);
-#endif /* DEBUG */
- /* REVISIT ARC-derived cores don't clear the root
- * hub TT buffer in this way...
- */
- usb_hub_tt_clear_buffer (urb->dev, urb->pipe);
- }
}
return status;
@@ -391,9 +436,16 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
/* qh unlinked; token in overlay may be most current */
if (state == QH_STATE_IDLE
&& cpu_to_hc32(ehci, qtd->qtd_dma)
- == qh->hw_current)
+ == qh->hw_current) {
token = hc32_to_cpu(ehci, qh->hw_token);
+ /* An unlink may leave an incomplete
+ * async transaction in the TT buffer.
+ * We have to clear it.
+ */
+ ehci_clear_tt_buffer(ehci, qh, urb, token);
+ }
+
/* force halt for unlinked or blocked qh, so we'll
* patch the qh later and so that completions can't
* activate it while we "know" it's stopped.
@@ -419,6 +471,13 @@ halt:
&& (qtd->hw_alt_next
& EHCI_LIST_END(ehci)))
last_status = -EINPROGRESS;
+
+ /* As part of low/full-speed endpoint-halt processing
+ * we must clear the TT buffer (11.17.5).
+ */
+ if (unlikely(last_status != -EINPROGRESS &&
+ last_status != -EREMOTEIO))
+ ehci_clear_tt_buffer(ehci, qh, urb, token);
}
/* if we're removing something not at the queue head,
@@ -834,6 +893,7 @@ done:
qh->qh_state = QH_STATE_IDLE;
qh->hw_info1 = cpu_to_hc32(ehci, info1);
qh->hw_info2 = cpu_to_hc32(ehci, info2);
+ usb_settoggle (urb->dev, usb_pipeendpoint (urb->pipe), !is_input, 1);
qh_refresh (ehci, qh);
return qh;
}
@@ -847,6 +907,10 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
__hc32 dma = QH_NEXT(ehci, qh->qh_dma);
struct ehci_qh *head;
+ /* Don't link a QH if there's a Clear-TT-Buffer pending */
+ if (unlikely(qh->clearing_tt))
+ return;
+
/* (re)start the async schedule? */
head = ehci->async;
timer_action_done (ehci, TIMER_ASYNC_OFF);
@@ -864,7 +928,7 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
}
}
- /* clear halt and maybe recover from silicon quirk */
+ /* clear halt and/or toggle; and maybe recover from silicon quirk */
if (qh->qh_state == QH_STATE_IDLE)
qh_refresh (ehci, qh);
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 9d1babc7ff65..74f7f83b29ad 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1619,11 +1619,14 @@ itd_complete (
desc->status = -EPROTO;
/* HC need not update length with this error */
- if (!(t & EHCI_ISOC_BABBLE))
- desc->actual_length = EHCI_ITD_LENGTH (t);
+ if (!(t & EHCI_ISOC_BABBLE)) {
+ desc->actual_length = EHCI_ITD_LENGTH(t);
+ urb->actual_length += desc->actual_length;
+ }
} else if (likely ((t & EHCI_ISOC_ACTIVE) == 0)) {
desc->status = 0;
- desc->actual_length = EHCI_ITD_LENGTH (t);
+ desc->actual_length = EHCI_ITD_LENGTH(t);
+ urb->actual_length += desc->actual_length;
} else {
/* URB was too late */
desc->status = -EXDEV;
@@ -2014,7 +2017,8 @@ sitd_complete (
desc->status = -EPROTO;
} else {
desc->status = 0;
- desc->actual_length = desc->length - SITD_LENGTH (t);
+ desc->actual_length = desc->length - SITD_LENGTH(t);
+ urb->actual_length += desc->actual_length;
}
stream->depth -= stream->interval << 3;
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 90ad3395bb21..2bfff30f4704 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -354,7 +354,9 @@ struct ehci_qh {
unsigned short period; /* polling interval */
unsigned short start; /* where polling starts */
#define NO_FRAME ((unsigned short)~0) /* pick new start */
+
struct usb_device *dev; /* access to TT */
+ unsigned clearing_tt:1; /* Clear-TT-Buf in progress */
} __attribute__ ((aligned (32)));
/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c
index bb63b68ddb77..62a226b61670 100644
--- a/drivers/usb/host/fhci-sched.c
+++ b/drivers/usb/host/fhci-sched.c
@@ -576,9 +576,7 @@ irqreturn_t fhci_irq(struct usb_hcd *hcd)
out_be16(&usb->fhci->regs->usb_event,
usb->saved_msk);
} else if (usb->port_status == FHCI_PORT_DISABLED) {
- if (fhci_ioports_check_bus_state(fhci) == 1 &&
- usb->port_status != FHCI_PORT_LOW &&
- usb->port_status != FHCI_PORT_FULL)
+ if (fhci_ioports_check_bus_state(fhci) == 1)
fhci_device_connected_interrupt(fhci);
}
usb_er &= ~USB_E_RESET_MASK;
@@ -605,9 +603,7 @@ irqreturn_t fhci_irq(struct usb_hcd *hcd)
}
if (usb_er & USB_E_IDLE_MASK) {
- if (usb->port_status == FHCI_PORT_DISABLED &&
- usb->port_status != FHCI_PORT_LOW &&
- usb->port_status != FHCI_PORT_FULL) {
+ if (usb->port_status == FHCI_PORT_DISABLED) {
usb_er &= ~USB_E_RESET_MASK;
fhci_device_connected_interrupt(fhci);
} else if (usb->port_status ==
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 3fa3a1702796..d4feebfc63bd 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -361,7 +361,7 @@ static int __devexit isp1760_plat_remove(struct platform_device *pdev)
static struct platform_driver isp1760_plat_driver = {
.probe = isp1760_plat_probe,
- .remove = isp1760_plat_remove,
+ .remove = __devexit_p(isp1760_plat_remove),
.driver = {
.name = "isp1760",
},
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 56976cc0352a..e18f74946e68 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -26,7 +26,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/smp_lock.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/timer.h>
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-19 17:39:27 +0000