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path: root/drivers/usb/core/config.c
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Diffstat (limited to 'drivers/usb/core/config.c')
-rw-r--r--drivers/usb/core/config.c85
1 files changed, 43 insertions, 42 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 00e28456e4cc..5f190bfe8800 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -61,7 +61,7 @@ static void usb_parse_ssp_isoc_endpoint_companion(struct device *ddev,
desc = (struct usb_ssp_isoc_ep_comp_descriptor *) buffer;
if (desc->bDescriptorType != USB_DT_SSP_ISOC_ENDPOINT_COMP ||
size < USB_DT_SSP_ISOC_EP_COMP_SIZE) {
- dev_warn(ddev, "Invalid SuperSpeedPlus isoc endpoint companion"
+ dev_notice(ddev, "Invalid SuperSpeedPlus isoc endpoint companion"
"for config %d interface %d altsetting %d ep %d.\n",
cfgno, inum, asnum, ep->desc.bEndpointAddress);
return;
@@ -83,7 +83,7 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
if (desc->bDescriptorType != USB_DT_SS_ENDPOINT_COMP ||
size < USB_DT_SS_EP_COMP_SIZE) {
- dev_warn(ddev, "No SuperSpeed endpoint companion for config %d "
+ dev_notice(ddev, "No SuperSpeed endpoint companion for config %d "
" interface %d altsetting %d ep %d: "
"using minimum values\n",
cfgno, inum, asnum, ep->desc.bEndpointAddress);
@@ -109,13 +109,13 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
/* Check the various values */
if (usb_endpoint_xfer_control(&ep->desc) && desc->bMaxBurst != 0) {
- dev_warn(ddev, "Control endpoint with bMaxBurst = %d in "
+ dev_notice(ddev, "Control endpoint with bMaxBurst = %d in "
"config %d interface %d altsetting %d ep %d: "
"setting to zero\n", desc->bMaxBurst,
cfgno, inum, asnum, ep->desc.bEndpointAddress);
ep->ss_ep_comp.bMaxBurst = 0;
} else if (desc->bMaxBurst > 15) {
- dev_warn(ddev, "Endpoint with bMaxBurst = %d in "
+ dev_notice(ddev, "Endpoint with bMaxBurst = %d in "
"config %d interface %d altsetting %d ep %d: "
"setting to 15\n", desc->bMaxBurst,
cfgno, inum, asnum, ep->desc.bEndpointAddress);
@@ -125,7 +125,7 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
if ((usb_endpoint_xfer_control(&ep->desc) ||
usb_endpoint_xfer_int(&ep->desc)) &&
desc->bmAttributes != 0) {
- dev_warn(ddev, "%s endpoint with bmAttributes = %d in "
+ dev_notice(ddev, "%s endpoint with bmAttributes = %d in "
"config %d interface %d altsetting %d ep %d: "
"setting to zero\n",
usb_endpoint_xfer_control(&ep->desc) ? "Control" : "Bulk",
@@ -134,7 +134,7 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
ep->ss_ep_comp.bmAttributes = 0;
} else if (usb_endpoint_xfer_bulk(&ep->desc) &&
desc->bmAttributes > 16) {
- dev_warn(ddev, "Bulk endpoint with more than 65536 streams in "
+ dev_notice(ddev, "Bulk endpoint with more than 65536 streams in "
"config %d interface %d altsetting %d ep %d: "
"setting to max\n",
cfgno, inum, asnum, ep->desc.bEndpointAddress);
@@ -142,7 +142,7 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
} else if (usb_endpoint_xfer_isoc(&ep->desc) &&
!USB_SS_SSP_ISOC_COMP(desc->bmAttributes) &&
USB_SS_MULT(desc->bmAttributes) > 3) {
- dev_warn(ddev, "Isoc endpoint has Mult of %d in "
+ dev_notice(ddev, "Isoc endpoint has Mult of %d in "
"config %d interface %d altsetting %d ep %d: "
"setting to 3\n",
USB_SS_MULT(desc->bmAttributes),
@@ -160,7 +160,7 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
else
max_tx = 999999;
if (le16_to_cpu(desc->wBytesPerInterval) > max_tx) {
- dev_warn(ddev, "%s endpoint with wBytesPerInterval of %d in "
+ dev_notice(ddev, "%s endpoint with wBytesPerInterval of %d in "
"config %d interface %d altsetting %d ep %d: "
"setting to %d\n",
usb_endpoint_xfer_isoc(&ep->desc) ? "Isoc" : "Int",
@@ -273,7 +273,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
else if (d->bLength >= USB_DT_ENDPOINT_SIZE)
n = USB_DT_ENDPOINT_SIZE;
else {
- dev_warn(ddev, "config %d interface %d altsetting %d has an "
+ dev_notice(ddev, "config %d interface %d altsetting %d has an "
"invalid endpoint descriptor of length %d, skipping\n",
cfgno, inum, asnum, d->bLength);
goto skip_to_next_endpoint_or_interface_descriptor;
@@ -281,7 +281,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
i = d->bEndpointAddress & ~USB_ENDPOINT_DIR_MASK;
if (i >= 16 || i == 0) {
- dev_warn(ddev, "config %d interface %d altsetting %d has an "
+ dev_notice(ddev, "config %d interface %d altsetting %d has an "
"invalid endpoint with address 0x%X, skipping\n",
cfgno, inum, asnum, d->bEndpointAddress);
goto skip_to_next_endpoint_or_interface_descriptor;
@@ -293,7 +293,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
/* Check for duplicate endpoint addresses */
if (config_endpoint_is_duplicate(config, inum, asnum, d)) {
- dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n",
+ dev_notice(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n",
cfgno, inum, asnum, d->bEndpointAddress);
goto skip_to_next_endpoint_or_interface_descriptor;
}
@@ -301,7 +301,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
/* Ignore some endpoints */
if (udev->quirks & USB_QUIRK_ENDPOINT_IGNORE) {
if (usb_endpoint_is_ignored(udev, ifp, d)) {
- dev_warn(ddev, "config %d interface %d altsetting %d has an ignored endpoint with address 0x%X, skipping\n",
+ dev_notice(ddev, "config %d interface %d altsetting %d has an ignored endpoint with address 0x%X, skipping\n",
cfgno, inum, asnum,
d->bEndpointAddress);
goto skip_to_next_endpoint_or_interface_descriptor;
@@ -378,7 +378,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
}
}
if (d->bInterval < i || d->bInterval > j) {
- dev_warn(ddev, "config %d interface %d altsetting %d "
+ dev_notice(ddev, "config %d interface %d altsetting %d "
"endpoint 0x%X has an invalid bInterval %d, "
"changing to %d\n",
cfgno, inum, asnum,
@@ -391,7 +391,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
* them usable, we will try treating them as Interrupt endpoints.
*/
if (udev->speed == USB_SPEED_LOW && usb_endpoint_xfer_bulk(d)) {
- dev_warn(ddev, "config %d interface %d altsetting %d "
+ dev_notice(ddev, "config %d interface %d altsetting %d "
"endpoint 0x%X is Bulk; changing to Interrupt\n",
cfgno, inum, asnum, d->bEndpointAddress);
endpoint->desc.bmAttributes = USB_ENDPOINT_XFER_INT;
@@ -408,7 +408,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
*/
maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize);
if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) {
- dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n",
+ dev_notice(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n",
cfgno, inum, asnum, d->bEndpointAddress);
}
@@ -439,7 +439,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
j = maxpacket_maxes[usb_endpoint_type(&endpoint->desc)];
if (maxp > j) {
- dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid maxpacket %d, setting to %d\n",
+ dev_notice(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid maxpacket %d, setting to %d\n",
cfgno, inum, asnum, d->bEndpointAddress, maxp, j);
maxp = j;
endpoint->desc.wMaxPacketSize = cpu_to_le16(i | maxp);
@@ -452,7 +452,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
*/
if (udev->speed == USB_SPEED_HIGH && usb_endpoint_xfer_bulk(d)) {
if (maxp != 512)
- dev_warn(ddev, "config %d interface %d altsetting %d "
+ dev_notice(ddev, "config %d interface %d altsetting %d "
"bulk endpoint 0x%X has invalid maxpacket %d\n",
cfgno, inum, asnum, d->bEndpointAddress,
maxp);
@@ -533,7 +533,7 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
i < intfc->num_altsetting;
(++i, ++alt)) {
if (alt->desc.bAlternateSetting == asnum) {
- dev_warn(ddev, "Duplicate descriptor for config %d "
+ dev_notice(ddev, "Duplicate descriptor for config %d "
"interface %d altsetting %d, skipping\n",
cfgno, inum, asnum);
goto skip_to_next_interface_descriptor;
@@ -559,7 +559,7 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
num_ep = num_ep_orig = alt->desc.bNumEndpoints;
alt->desc.bNumEndpoints = 0; /* Use as a counter */
if (num_ep > USB_MAXENDPOINTS) {
- dev_warn(ddev, "too many endpoints for config %d interface %d "
+ dev_notice(ddev, "too many endpoints for config %d interface %d "
"altsetting %d: %d, using maximum allowed: %d\n",
cfgno, inum, asnum, num_ep, USB_MAXENDPOINTS);
num_ep = USB_MAXENDPOINTS;
@@ -590,7 +590,7 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
}
if (n != num_ep_orig)
- dev_warn(ddev, "config %d interface %d altsetting %d has %d "
+ dev_notice(ddev, "config %d interface %d altsetting %d has %d "
"endpoint descriptor%s, different from the interface "
"descriptor's value: %d\n",
cfgno, inum, asnum, n, plural(n), num_ep_orig);
@@ -625,7 +625,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
if (config->desc.bDescriptorType != USB_DT_CONFIG ||
config->desc.bLength < USB_DT_CONFIG_SIZE ||
config->desc.bLength > size) {
- dev_err(ddev, "invalid descriptor for config index %d: "
+ dev_notice(ddev, "invalid descriptor for config index %d: "
"type = 0x%X, length = %d\n", cfgidx,
config->desc.bDescriptorType, config->desc.bLength);
return -EINVAL;
@@ -636,7 +636,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
size -= config->desc.bLength;
if (nintf > USB_MAXINTERFACES) {
- dev_warn(ddev, "config %d has too many interfaces: %d, "
+ dev_notice(ddev, "config %d has too many interfaces: %d, "
"using maximum allowed: %d\n",
cfgno, nintf, USB_MAXINTERFACES);
nintf = USB_MAXINTERFACES;
@@ -650,7 +650,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
(buffer2 += header->bLength, size2 -= header->bLength)) {
if (size2 < sizeof(struct usb_descriptor_header)) {
- dev_warn(ddev, "config %d descriptor has %d excess "
+ dev_notice(ddev, "config %d descriptor has %d excess "
"byte%s, ignoring\n",
cfgno, size2, plural(size2));
break;
@@ -658,7 +658,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
header = (struct usb_descriptor_header *) buffer2;
if ((header->bLength > size2) || (header->bLength < 2)) {
- dev_warn(ddev, "config %d has an invalid descriptor "
+ dev_notice(ddev, "config %d has an invalid descriptor "
"of length %d, skipping remainder of the config\n",
cfgno, header->bLength);
break;
@@ -670,7 +670,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
d = (struct usb_interface_descriptor *) header;
if (d->bLength < USB_DT_INTERFACE_SIZE) {
- dev_warn(ddev, "config %d has an invalid "
+ dev_notice(ddev, "config %d has an invalid "
"interface descriptor of length %d, "
"skipping\n", cfgno, d->bLength);
continue;
@@ -680,7 +680,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
if ((dev->quirks & USB_QUIRK_HONOR_BNUMINTERFACES) &&
n >= nintf_orig) {
- dev_warn(ddev, "config %d has more interface "
+ dev_notice(ddev, "config %d has more interface "
"descriptors, than it declares in "
"bNumInterfaces, ignoring interface "
"number: %d\n", cfgno, inum);
@@ -688,7 +688,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
}
if (inum >= nintf_orig)
- dev_warn(ddev, "config %d has an invalid "
+ dev_notice(ddev, "config %d has an invalid "
"interface number: %d but max is %d\n",
cfgno, inum, nintf_orig - 1);
@@ -713,14 +713,14 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
d = (struct usb_interface_assoc_descriptor *)header;
if (d->bLength < USB_DT_INTERFACE_ASSOCIATION_SIZE) {
- dev_warn(ddev,
+ dev_notice(ddev,
"config %d has an invalid interface association descriptor of length %d, skipping\n",
cfgno, d->bLength);
continue;
}
if (iad_num == USB_MAXIADS) {
- dev_warn(ddev, "found more Interface "
+ dev_notice(ddev, "found more Interface "
"Association Descriptors "
"than allocated for in "
"configuration %d\n", cfgno);
@@ -731,7 +731,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
} else if (header->bDescriptorType == USB_DT_DEVICE ||
header->bDescriptorType == USB_DT_CONFIG)
- dev_warn(ddev, "config %d contains an unexpected "
+ dev_notice(ddev, "config %d contains an unexpected "
"descriptor of type 0x%X, skipping\n",
cfgno, header->bDescriptorType);
@@ -740,11 +740,11 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
config->desc.wTotalLength = cpu_to_le16(buffer2 - buffer0);
if (n != nintf)
- dev_warn(ddev, "config %d has %d interface%s, different from "
+ dev_notice(ddev, "config %d has %d interface%s, different from "
"the descriptor's value: %d\n",
cfgno, n, plural(n), nintf_orig);
else if (n == 0)
- dev_warn(ddev, "config %d has no interfaces?\n", cfgno);
+ dev_notice(ddev, "config %d has no interfaces?\n", cfgno);
config->desc.bNumInterfaces = nintf = n;
/* Check for missing interface numbers */
@@ -754,7 +754,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
break;
}
if (j >= nintf)
- dev_warn(ddev, "config %d has no interface number "
+ dev_notice(ddev, "config %d has no interface number "
"%d\n", cfgno, i);
}
@@ -762,7 +762,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
for (i = 0; i < nintf; ++i) {
j = nalts[i];
if (j > USB_MAXALTSETTING) {
- dev_warn(ddev, "too many alternate settings for "
+ dev_notice(ddev, "too many alternate settings for "
"config %d interface %d: %d, "
"using maximum allowed: %d\n",
cfgno, inums[i], j, USB_MAXALTSETTING);
@@ -811,7 +811,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
break;
}
if (n >= intfc->num_altsetting)
- dev_warn(ddev, "config %d interface %d has no "
+ dev_notice(ddev, "config %d interface %d has no "
"altsetting %d\n", cfgno, inums[i], j);
}
}
@@ -868,7 +868,7 @@ int usb_get_configuration(struct usb_device *dev)
int result;
if (ncfg > USB_MAXCONFIG) {
- dev_warn(ddev, "too many configurations: %d, "
+ dev_notice(ddev, "too many configurations: %d, "
"using maximum allowed: %d\n", ncfg, USB_MAXCONFIG);
dev->descriptor.bNumConfigurations = ncfg = USB_MAXCONFIG;
}
@@ -902,7 +902,7 @@ int usb_get_configuration(struct usb_device *dev)
"descriptor/%s: %d\n", cfgno, "start", result);
if (result != -EPIPE)
goto err;
- dev_err(ddev, "chopping to %d config(s)\n", cfgno);
+ dev_notice(ddev, "chopping to %d config(s)\n", cfgno);
dev->descriptor.bNumConfigurations = cfgno;
break;
} else if (result < 4) {
@@ -934,7 +934,7 @@ int usb_get_configuration(struct usb_device *dev)
goto err;
}
if (result < length) {
- dev_warn(ddev, "config index %d descriptor too short "
+ dev_notice(ddev, "config index %d descriptor too short "
"(expected %i, got %i)\n", cfgno, length, result);
length = result;
}
@@ -993,7 +993,7 @@ int usb_get_bos_descriptor(struct usb_device *dev)
/* Get BOS descriptor */
ret = usb_get_descriptor(dev, USB_DT_BOS, 0, bos, USB_DT_BOS_SIZE);
if (ret < USB_DT_BOS_SIZE || bos->bLength < USB_DT_BOS_SIZE) {
- dev_err(ddev, "unable to get BOS descriptor or descriptor too short\n");
+ dev_notice(ddev, "unable to get BOS descriptor or descriptor too short\n");
if (ret >= 0)
ret = -ENOMSG;
kfree(bos);
@@ -1021,7 +1021,7 @@ int usb_get_bos_descriptor(struct usb_device *dev)
ret = usb_get_descriptor(dev, USB_DT_BOS, 0, buffer, total_len);
if (ret < total_len) {
- dev_err(ddev, "unable to get BOS descriptor set\n");
+ dev_notice(ddev, "unable to get BOS descriptor set\n");
if (ret >= 0)
ret = -ENOMSG;
goto err;
@@ -1046,8 +1046,8 @@ int usb_get_bos_descriptor(struct usb_device *dev)
}
if (cap->bDescriptorType != USB_DT_DEVICE_CAPABILITY) {
- dev_warn(ddev, "descriptor type invalid, skip\n");
- continue;
+ dev_notice(ddev, "descriptor type invalid, skip\n");
+ goto skip_to_next_descriptor;
}
switch (cap_type) {
@@ -1081,6 +1081,7 @@ int usb_get_bos_descriptor(struct usb_device *dev)
break;
}
+skip_to_next_descriptor:
total_len -= length;
buffer += length;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-28 16:41:20 +0000