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-rw-r--r--drivers/usb/core/hub.c2
-rw-r--r--drivers/usb/core/quirks.c7
-rw-r--r--drivers/usb/core/usb.c6
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c9
-rw-r--r--drivers/usb/host/hwa-hc.c2
-rw-r--r--drivers/usb/host/xhci.c16
-rw-r--r--drivers/usb/misc/appledisplay.c1
-rw-r--r--drivers/usb/storage/unusual_realtek.h10
8 files changed, 43 insertions, 10 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index f7af730aae82..be63db142d3f 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2211,7 +2211,7 @@ static int usb_enumerate_device_otg(struct usb_device *udev)
/* descriptor may appear anywhere in config */
err = __usb_get_extra_descriptor(udev->rawdescriptors[0],
le16_to_cpu(udev->config[0].desc.wTotalLength),
- USB_DT_OTG, (void **) &desc);
+ USB_DT_OTG, (void **) &desc, sizeof(*desc));
if (err || !(desc->bmAttributes & USB_OTG_HNP))
return 0;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 1e8f68960014..cf378b1ed373 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -64,6 +64,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Microsoft LifeCam-VX700 v2.0 */
{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */
+ { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */
{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
{ USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
@@ -185,6 +188,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Midiman M-Audio Keystation 88es */
{ USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* SanDisk Ultra Fit and Ultra Flair */
+ { USB_DEVICE(0x0781, 0x5583), .driver_info = USB_QUIRK_NO_LPM },
+ { USB_DEVICE(0x0781, 0x5591), .driver_info = USB_QUIRK_NO_LPM },
+
/* M-Systems Flash Disk Pioneers */
{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index ad308c8e9af5..36e5098e4e6f 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -678,14 +678,14 @@ EXPORT_SYMBOL_GPL(usb_get_current_frame_number);
*/
int __usb_get_extra_descriptor(char *buffer, unsigned size,
- unsigned char type, void **ptr)
+ unsigned char type, void **ptr, size_t minsize)
{
struct usb_descriptor_header *header;
while (size >= sizeof(struct usb_descriptor_header)) {
header = (struct usb_descriptor_header *)buffer;
- if (header->bLength < 2) {
+ if (header->bLength < 2 || header->bLength > size) {
printk(KERN_ERR
"%s: bogus descriptor, type %d length %d\n",
usbcore_name,
@@ -694,7 +694,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
return -1;
}
- if (header->bDescriptorType == type) {
+ if (header->bDescriptorType == type && header->bLength >= minsize) {
*ptr = header;
return 0;
}
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index eb876ed96861..85f1f282c1d5 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -379,11 +379,10 @@ static void set_link_state_by_speed(struct dummy_hcd *dum_hcd)
USB_PORT_STAT_CONNECTION) == 0)
dum_hcd->port_status |=
(USB_PORT_STAT_C_CONNECTION << 16);
- if ((dum_hcd->port_status &
- USB_PORT_STAT_ENABLE) == 1 &&
- (dum_hcd->port_status &
- USB_SS_PORT_LS_U0) == 1 &&
- dum_hcd->rh_state != DUMMY_RH_SUSPENDED)
+ if ((dum_hcd->port_status & USB_PORT_STAT_ENABLE) &&
+ (dum_hcd->port_status &
+ USB_PORT_STAT_LINK_STATE) == USB_SS_PORT_LS_U0 &&
+ dum_hcd->rh_state != DUMMY_RH_SUSPENDED)
dum_hcd->active = 1;
}
} else {
diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
index 1db0626c8bf4..97750f162f01 100644
--- a/drivers/usb/host/hwa-hc.c
+++ b/drivers/usb/host/hwa-hc.c
@@ -654,7 +654,7 @@ static int hwahc_security_create(struct hwahc *hwahc)
top = itr + itr_size;
result = __usb_get_extra_descriptor(usb_dev->rawdescriptors[index],
le16_to_cpu(usb_dev->actconfig->desc.wTotalLength),
- USB_DT_SECURITY, (void **) &secd);
+ USB_DT_SECURITY, (void **) &secd, sizeof(*secd));
if (result == -1) {
dev_warn(dev, "BUG? WUSB host has no security descriptors\n");
return 0;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9dbf1583bd7a..e3fdc799ad6e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4417,6 +4417,14 @@ static u16 xhci_calculate_u1_timeout(struct xhci_hcd *xhci,
{
unsigned long long timeout_ns;
+ /* Prevent U1 if service interval is shorter than U1 exit latency */
+ if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
+ if (xhci_service_interval_to_ns(desc) <= udev->u1_params.mel) {
+ dev_dbg(&udev->dev, "Disable U1, ESIT shorter than exit latency\n");
+ return USB3_LPM_DISABLED;
+ }
+ }
+
if (xhci->quirks & XHCI_INTEL_HOST)
timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
else
@@ -4473,6 +4481,14 @@ static u16 xhci_calculate_u2_timeout(struct xhci_hcd *xhci,
{
unsigned long long timeout_ns;
+ /* Prevent U2 if service interval is shorter than U2 exit latency */
+ if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
+ if (xhci_service_interval_to_ns(desc) <= udev->u2_params.mel) {
+ dev_dbg(&udev->dev, "Disable U2, ESIT shorter than exit latency\n");
+ return USB3_LPM_DISABLED;
+ }
+ }
+
if (xhci->quirks & XHCI_INTEL_HOST)
timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
else
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index b15842c6f916..993f4da065c3 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -64,6 +64,7 @@ static const struct usb_device_id appledisplay_table[] = {
{ APPLEDISPLAY_DEVICE(0x921c) },
{ APPLEDISPLAY_DEVICE(0x921d) },
{ APPLEDISPLAY_DEVICE(0x9222) },
+ { APPLEDISPLAY_DEVICE(0x9226) },
{ APPLEDISPLAY_DEVICE(0x9236) },
/* Terminating entry */
diff --git a/drivers/usb/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h
index e41f50c95ed4..f5fc3271e19c 100644
--- a/drivers/usb/storage/unusual_realtek.h
+++ b/drivers/usb/storage/unusual_realtek.h
@@ -38,4 +38,14 @@ UNUSUAL_DEV(0x0bda, 0x0159, 0x0000, 0x9999,
"USB Card Reader",
USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0),
+UNUSUAL_DEV(0x0bda, 0x0177, 0x0000, 0x9999,
+ "Realtek",
+ "USB Card Reader",
+ USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0),
+
+UNUSUAL_DEV(0x0bda, 0x0184, 0x0000, 0x9999,
+ "Realtek",
+ "USB Card Reader",
+ USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0),
+
#endif /* defined(CONFIG_USB_STORAGE_REALTEK) || ... */