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-rw-r--r--drivers/usb/host/ehci-hub.c13
-rw-r--r--drivers/usb/host/fhci-tds.c6
-rw-r--r--drivers/usb/host/r8a66597-hcd.c58
3 files changed, 56 insertions, 21 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index c75d9270c752..19372673bf09 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -196,7 +196,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
if (hostpc_reg) {
u32 t3;
+ spin_unlock_irq(&ehci->lock);
msleep(5);/* 5ms for HCD enter low pwr mode */
+ spin_lock_irq(&ehci->lock);
t3 = ehci_readl(ehci, hostpc_reg);
ehci_writel(ehci, t3 | HOSTPC_PHCD, hostpc_reg);
t3 = ehci_readl(ehci, hostpc_reg);
@@ -904,17 +906,18 @@ static int ehci_hub_control (
if ((temp & PORT_PE) == 0
|| (temp & PORT_RESET) != 0)
goto error;
- ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
+
/* After above check the port must be connected.
* Set appropriate bit thus could put phy into low power
* mode if we have hostpc feature
*/
+ temp &= ~PORT_WKCONN_E;
+ temp |= PORT_WKDISC_E | PORT_WKOC_E;
+ ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
if (hostpc_reg) {
- temp &= ~PORT_WKCONN_E;
- temp |= (PORT_WKDISC_E | PORT_WKOC_E);
- ehci_writel(ehci, temp | PORT_SUSPEND,
- status_reg);
+ spin_unlock_irqrestore(&ehci->lock, flags);
msleep(5);/* 5ms for HCD enter low pwr mode */
+ spin_lock_irqsave(&ehci->lock, flags);
temp1 = ehci_readl(ehci, hostpc_reg);
ehci_writel(ehci, temp1 | HOSTPC_PHCD,
hostpc_reg);
diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c
index d224ab467a40..e1232890c78b 100644
--- a/drivers/usb/host/fhci-tds.c
+++ b/drivers/usb/host/fhci-tds.c
@@ -105,7 +105,7 @@ void fhci_ep0_free(struct fhci_usb *usb)
if (ep->td_base)
cpm_muram_free(cpm_muram_offset(ep->td_base));
- if (ep->conf_frame_Q) {
+ if (kfifo_initialized(&ep->conf_frame_Q)) {
size = cq_howmany(&ep->conf_frame_Q);
for (; size; size--) {
struct packet *pkt = cq_get(&ep->conf_frame_Q);
@@ -115,7 +115,7 @@ void fhci_ep0_free(struct fhci_usb *usb)
cq_delete(&ep->conf_frame_Q);
}
- if (ep->empty_frame_Q) {
+ if (kfifo_initialized(&ep->empty_frame_Q)) {
size = cq_howmany(&ep->empty_frame_Q);
for (; size; size--) {
struct packet *pkt = cq_get(&ep->empty_frame_Q);
@@ -125,7 +125,7 @@ void fhci_ep0_free(struct fhci_usb *usb)
cq_delete(&ep->empty_frame_Q);
}
- if (ep->dummy_packets_Q) {
+ if (kfifo_initialized(&ep->dummy_packets_Q)) {
size = cq_howmany(&ep->dummy_packets_Q);
for (; size; size--) {
u8 *buff = cq_get(&ep->dummy_packets_Q);
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index b7a661c02bcd..bee558aed427 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -35,7 +35,9 @@
#include <linux/usb.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/mm.h>
#include <linux/irq.h>
+#include <asm/cacheflush.h>
#include "../core/hcd.h"
#include "r8a66597.h"
@@ -216,8 +218,17 @@ static void disable_controller(struct r8a66597 *r8a66597)
{
int port;
+ /* disable interrupts */
r8a66597_write(r8a66597, 0, INTENB0);
- r8a66597_write(r8a66597, 0, INTSTS0);
+ r8a66597_write(r8a66597, 0, INTENB1);
+ r8a66597_write(r8a66597, 0, BRDYENB);
+ r8a66597_write(r8a66597, 0, BEMPENB);
+ r8a66597_write(r8a66597, 0, NRDYENB);
+
+ /* clear status */
+ r8a66597_write(r8a66597, 0, BRDYSTS);
+ r8a66597_write(r8a66597, 0, NRDYSTS);
+ r8a66597_write(r8a66597, 0, BEMPSTS);
for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_disable_port(r8a66597, port);
@@ -811,6 +822,26 @@ static void enable_r8a66597_pipe(struct r8a66597 *r8a66597, struct urb *urb,
enable_r8a66597_pipe_dma(r8a66597, dev, pipe, urb);
}
+static void r8a66597_urb_done(struct r8a66597 *r8a66597, struct urb *urb,
+ int status)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
+{
+ if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) {
+ void *ptr;
+
+ for (ptr = urb->transfer_buffer;
+ ptr < urb->transfer_buffer + urb->transfer_buffer_length;
+ ptr += PAGE_SIZE)
+ flush_dcache_page(virt_to_page(ptr));
+ }
+
+ usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
+ spin_unlock(&r8a66597->lock);
+ usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, status);
+ spin_lock(&r8a66597->lock);
+}
+
/* this function must be called with interrupt disabled */
static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address)
{
@@ -829,15 +860,9 @@ static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address)
list_del(&td->queue);
kfree(td);
- if (urb) {
- usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597),
- urb);
+ if (urb)
+ r8a66597_urb_done(r8a66597, urb, -ENODEV);
- spin_unlock(&r8a66597->lock);
- usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb,
- -ENODEV);
- spin_lock(&r8a66597->lock);
- }
break;
}
}
@@ -997,6 +1022,8 @@ static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port,
/* this function must be called with interrupt disabled */
static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
u16 syssts)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
{
if (syssts == SE0) {
r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
@@ -1014,7 +1041,9 @@ static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
}
+ spin_unlock(&r8a66597->lock);
usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597));
+ spin_lock(&r8a66597->lock);
}
/* this function must be called with interrupt disabled */
@@ -1274,10 +1303,7 @@ __releases(r8a66597->lock) __acquires(r8a66597->lock)
if (usb_pipeisoc(urb->pipe))
urb->start_frame = r8a66597_get_frame(hcd);
- usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
- spin_unlock(&r8a66597->lock);
- usb_hcd_giveback_urb(hcd, urb, status);
- spin_lock(&r8a66597->lock);
+ r8a66597_urb_done(r8a66597, urb, status);
}
if (restart) {
@@ -2466,6 +2492,12 @@ static int __devinit r8a66597_probe(struct platform_device *pdev)
r8a66597->rh_timer.data = (unsigned long)r8a66597;
r8a66597->reg = (unsigned long)reg;
+ /* make sure no interrupts are pending */
+ ret = r8a66597_clock_enable(r8a66597);
+ if (ret < 0)
+ goto clean_up3;
+ disable_controller(r8a66597);
+
for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) {
INIT_LIST_HEAD(&r8a66597->pipe_queue[i]);
init_timer(&r8a66597->td_timer[i]);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 20:13:24 +0100