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authorOlof Johansson <olof@lixom.net>2020-03-03 16:40:54 -0800
committerOlof Johansson <olof@lixom.net>2020-03-03 16:40:56 -0800
commit820d15632ec10bc0cf79595c5a635b795d149520 (patch)
tree9deb7defafc350a3c74365ebe370634f0406d821 /drivers/usb/core/config.c
parent0b86b258e644c5f547005654cde0913d9e2ab5bc (diff)
parent8c867387160e89c9ffd12459f38e56844312a7a7 (diff)
Merge tag 'socfpga_dts_fix_for_v5.6_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes
arm64: dts: agilex: fix gmac compatible - The compatible for Agilex GMAC should be "altr,socfpga-stmmac-a10-s10" * tag 'socfpga_dts_fix_for_v5.6_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: (578 commits) arm64: dts: socfpga: agilex: Fix gmac compatible Linux 5.6-rc4 KVM: VMX: check descriptor table exits on instruction emulation ext4: potential crash on allocation error in ext4_alloc_flex_bg_array() macintosh: therm_windtunnel: fix regression when instantiating devices jbd2: fix data races at struct journal_head kvm: x86: Limit the number of "kvm: disabled by bios" messages KVM: x86: avoid useless copy of cpufreq policy KVM: allow disabling -Werror KVM: x86: allow compiling as non-module with W=1 KVM: Pre-allocate 1 cpumask variable per cpu for both pv tlb and pv ipis KVM: Introduce pv check helpers KVM: let declaration of kvm_get_running_vcpus match implementation KVM: SVM: allocate AVIC data structures based on kvm_amd module parameter MAINTAINERS: Correct Cadence PCI driver path io_uring: fix 32-bit compatability with sendmsg/recvmsg net: dsa: mv88e6xxx: Fix masking of egress port mlxsw: pci: Wait longer before accessing the device after reset sfc: fix timestamp reconstruction at 16-bit rollover points vsock: fix potential deadlock in transport->release() ... Link: https://lore.kernel.org/r/20200303153509.28248-1-dinguyen@kernel.org Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/usb/core/config.c')
-rw-r--r--drivers/usb/core/config.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 26bc05e48d8a..b7918f695434 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -256,6 +256,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
struct usb_host_interface *ifp, int num_ep,
unsigned char *buffer, int size)
{
+ struct usb_device *udev = to_usb_device(ddev);
unsigned char *buffer0 = buffer;
struct usb_endpoint_descriptor *d;
struct usb_host_endpoint *endpoint;
@@ -297,6 +298,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
goto skip_to_next_endpoint_or_interface_descriptor;
}
+ /* Ignore blacklisted endpoints */
+ if (udev->quirks & USB_QUIRK_ENDPOINT_BLACKLIST) {
+ if (usb_endpoint_is_blacklisted(udev, ifp, d)) {
+ dev_warn(ddev, "config %d interface %d altsetting %d has a blacklisted endpoint with address 0x%X, skipping\n",
+ cfgno, inum, asnum,
+ d->bEndpointAddress);
+ goto skip_to_next_endpoint_or_interface_descriptor;
+ }
+ }
+
endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
++ifp->desc.bNumEndpoints;
@@ -311,7 +322,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
j = 255;
if (usb_endpoint_xfer_int(d)) {
i = 1;
- switch (to_usb_device(ddev)->speed) {
+ switch (udev->speed) {
case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
case USB_SPEED_HIGH:
@@ -332,8 +343,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
/*
* This quirk fixes bIntervals reported in ms.
*/
- if (to_usb_device(ddev)->quirks &
- USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL) {
+ if (udev->quirks & USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL) {
n = clamp(fls(d->bInterval) + 3, i, j);
i = j = n;
}
@@ -341,8 +351,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
* This quirk fixes bIntervals reported in
* linear microframes.
*/
- if (to_usb_device(ddev)->quirks &
- USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL) {
+ if (udev->quirks & USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL) {
n = clamp(fls(d->bInterval), i, j);
i = j = n;
}
@@ -359,7 +368,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
} else if (usb_endpoint_xfer_isoc(d)) {
i = 1;
j = 16;
- switch (to_usb_device(ddev)->speed) {
+ switch (udev->speed) {
case USB_SPEED_HIGH:
n = 7; /* 8 ms = 2^(7-1) uframes */
break;
@@ -381,8 +390,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
* explicitly forbidden by the USB spec. In an attempt to make
* them usable, we will try treating them as Interrupt endpoints.
*/
- if (to_usb_device(ddev)->speed == USB_SPEED_LOW &&
- usb_endpoint_xfer_bulk(d)) {
+ if (udev->speed == USB_SPEED_LOW && usb_endpoint_xfer_bulk(d)) {
dev_warn(ddev, "config %d interface %d altsetting %d "
"endpoint 0x%X is Bulk; changing to Interrupt\n",
cfgno, inum, asnum, d->bEndpointAddress);
@@ -406,7 +414,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
/* Find the highest legal maxpacket size for this endpoint */
i = 0; /* additional transactions per microframe */
- switch (to_usb_device(ddev)->speed) {
+ switch (udev->speed) {
case USB_SPEED_LOW:
maxpacket_maxes = low_speed_maxpacket_maxes;
break;
@@ -442,8 +450,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
* maxpacket sizes other than 512. High speed HCDs may not
* be able to handle that particular bug, so let's warn...
*/
- if (to_usb_device(ddev)->speed == USB_SPEED_HIGH
- && usb_endpoint_xfer_bulk(d)) {
+ if (udev->speed == USB_SPEED_HIGH && usb_endpoint_xfer_bulk(d)) {
if (maxp != 512)
dev_warn(ddev, "config %d interface %d altsetting %d "
"bulk endpoint 0x%X has invalid maxpacket %d\n",
@@ -452,7 +459,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
}
/* Parse a possible SuperSpeed endpoint companion descriptor */
- if (to_usb_device(ddev)->speed >= USB_SPEED_SUPER)
+ if (udev->speed >= USB_SPEED_SUPER)
usb_parse_ss_endpoint_companion(ddev, cfgno,
inum, asnum, endpoint, buffer, size);