Revert "usb:gadget Separated decoding functions from dwc3 driver."
This reverts commit 3db1b636c0.
It's broken.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
parent
8265fb7c25
commit
332694f8a4
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@ -246,6 +246,258 @@ static inline const char *dwc3_gadget_event_string(char *str, size_t size,
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return str;
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}
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static inline void dwc3_decode_get_status(__u8 t, __u16 i, __u16 l, char *str,
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size_t size)
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{
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switch (t & USB_RECIP_MASK) {
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case USB_RECIP_DEVICE:
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snprintf(str, size, "Get Device Status(Length = %d)", l);
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break;
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case USB_RECIP_INTERFACE:
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snprintf(str, size, "Get Interface Status(Intf = %d, Length = %d)",
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i, l);
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break;
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case USB_RECIP_ENDPOINT:
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snprintf(str, size, "Get Endpoint Status(ep%d%s)",
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i & ~USB_DIR_IN,
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i & USB_DIR_IN ? "in" : "out");
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break;
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}
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}
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static inline void dwc3_decode_set_clear_feature(__u8 t, __u8 b, __u16 v,
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__u16 i, char *str, size_t size)
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{
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switch (t & USB_RECIP_MASK) {
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case USB_RECIP_DEVICE:
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snprintf(str, size, "%s Device Feature(%s%s)",
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b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
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({char *s;
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switch (v) {
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case USB_DEVICE_SELF_POWERED:
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s = "Self Powered";
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break;
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case USB_DEVICE_REMOTE_WAKEUP:
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s = "Remote Wakeup";
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break;
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case USB_DEVICE_TEST_MODE:
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s = "Test Mode";
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break;
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case USB_DEVICE_U1_ENABLE:
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s = "U1 Enable";
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break;
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case USB_DEVICE_U2_ENABLE:
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s = "U2 Enable";
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break;
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case USB_DEVICE_LTM_ENABLE:
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s = "LTM Enable";
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break;
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default:
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s = "UNKNOWN";
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} s; }),
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v == USB_DEVICE_TEST_MODE ?
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({ char *s;
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switch (i) {
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case TEST_J:
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s = ": TEST_J";
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break;
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case TEST_K:
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s = ": TEST_K";
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break;
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case TEST_SE0_NAK:
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s = ": TEST_SE0_NAK";
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break;
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case TEST_PACKET:
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s = ": TEST_PACKET";
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break;
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case TEST_FORCE_EN:
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s = ": TEST_FORCE_EN";
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break;
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default:
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s = ": UNKNOWN";
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} s; }) : "");
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break;
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case USB_RECIP_INTERFACE:
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snprintf(str, size, "%s Interface Feature(%s)",
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b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
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v == USB_INTRF_FUNC_SUSPEND ?
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"Function Suspend" : "UNKNOWN");
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break;
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case USB_RECIP_ENDPOINT:
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snprintf(str, size, "%s Endpoint Feature(%s ep%d%s)",
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b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
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v == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN",
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i & ~USB_DIR_IN,
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i & USB_DIR_IN ? "in" : "out");
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break;
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}
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}
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static inline void dwc3_decode_set_address(__u16 v, char *str, size_t size)
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{
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snprintf(str, size, "Set Address(Addr = %02x)", v);
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}
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static inline void dwc3_decode_get_set_descriptor(__u8 t, __u8 b, __u16 v,
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__u16 i, __u16 l, char *str, size_t size)
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{
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snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)",
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b == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
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({ char *s;
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switch (v >> 8) {
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case USB_DT_DEVICE:
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s = "Device";
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break;
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case USB_DT_CONFIG:
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s = "Configuration";
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break;
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case USB_DT_STRING:
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s = "String";
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break;
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case USB_DT_INTERFACE:
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s = "Interface";
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break;
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case USB_DT_ENDPOINT:
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s = "Endpoint";
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break;
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case USB_DT_DEVICE_QUALIFIER:
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s = "Device Qualifier";
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break;
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case USB_DT_OTHER_SPEED_CONFIG:
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s = "Other Speed Config";
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break;
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case USB_DT_INTERFACE_POWER:
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s = "Interface Power";
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break;
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case USB_DT_OTG:
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s = "OTG";
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break;
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case USB_DT_DEBUG:
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s = "Debug";
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break;
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case USB_DT_INTERFACE_ASSOCIATION:
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s = "Interface Association";
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break;
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case USB_DT_BOS:
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s = "BOS";
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break;
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case USB_DT_DEVICE_CAPABILITY:
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s = "Device Capability";
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break;
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case USB_DT_PIPE_USAGE:
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s = "Pipe Usage";
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break;
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case USB_DT_SS_ENDPOINT_COMP:
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s = "SS Endpoint Companion";
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break;
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case USB_DT_SSP_ISOC_ENDPOINT_COMP:
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s = "SSP Isochronous Endpoint Companion";
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break;
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default:
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s = "UNKNOWN";
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break;
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} s; }), v & 0xff, l);
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}
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static inline void dwc3_decode_get_configuration(__u16 l, char *str,
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size_t size)
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{
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snprintf(str, size, "Get Configuration(Length = %d)", l);
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}
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static inline void dwc3_decode_set_configuration(__u8 v, char *str, size_t size)
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{
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snprintf(str, size, "Set Configuration(Config = %d)", v);
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}
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static inline void dwc3_decode_get_intf(__u16 i, __u16 l, char *str,
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size_t size)
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{
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snprintf(str, size, "Get Interface(Intf = %d, Length = %d)", i, l);
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}
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static inline void dwc3_decode_set_intf(__u8 v, __u16 i, char *str, size_t size)
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{
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snprintf(str, size, "Set Interface(Intf = %d, Alt.Setting = %d)", i, v);
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}
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static inline void dwc3_decode_synch_frame(__u16 i, __u16 l, char *str,
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size_t size)
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{
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snprintf(str, size, "Synch Frame(Endpoint = %d, Length = %d)", i, l);
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}
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static inline void dwc3_decode_set_sel(__u16 l, char *str, size_t size)
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{
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snprintf(str, size, "Set SEL(Length = %d)", l);
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}
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static inline void dwc3_decode_set_isoch_delay(__u8 v, char *str, size_t size)
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{
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snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", v);
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}
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/**
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* dwc3_decode_ctrl - returns a string represetion of ctrl request
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*/
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static inline const char *dwc3_decode_ctrl(char *str, size_t size,
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__u8 bRequestType, __u8 bRequest, __u16 wValue, __u16 wIndex,
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__u16 wLength)
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{
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switch (bRequest) {
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case USB_REQ_GET_STATUS:
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dwc3_decode_get_status(bRequestType, wIndex, wLength, str,
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size);
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break;
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case USB_REQ_CLEAR_FEATURE:
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case USB_REQ_SET_FEATURE:
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dwc3_decode_set_clear_feature(bRequestType, bRequest, wValue,
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wIndex, str, size);
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break;
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case USB_REQ_SET_ADDRESS:
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dwc3_decode_set_address(wValue, str, size);
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break;
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case USB_REQ_GET_DESCRIPTOR:
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case USB_REQ_SET_DESCRIPTOR:
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dwc3_decode_get_set_descriptor(bRequestType, bRequest, wValue,
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wIndex, wLength, str, size);
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break;
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case USB_REQ_GET_CONFIGURATION:
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dwc3_decode_get_configuration(wLength, str, size);
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break;
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case USB_REQ_SET_CONFIGURATION:
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dwc3_decode_set_configuration(wValue, str, size);
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break;
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case USB_REQ_GET_INTERFACE:
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dwc3_decode_get_intf(wIndex, wLength, str, size);
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break;
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case USB_REQ_SET_INTERFACE:
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dwc3_decode_set_intf(wValue, wIndex, str, size);
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break;
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case USB_REQ_SYNCH_FRAME:
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dwc3_decode_synch_frame(wIndex, wLength, str, size);
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break;
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case USB_REQ_SET_SEL:
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dwc3_decode_set_sel(wLength, str, size);
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break;
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case USB_REQ_SET_ISOCH_DELAY:
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dwc3_decode_set_isoch_delay(wValue, str, size);
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break;
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default:
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snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x",
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bRequestType, bRequest,
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cpu_to_le16(wValue) & 0xff,
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cpu_to_le16(wValue) >> 8,
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cpu_to_le16(wIndex) & 0xff,
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cpu_to_le16(wIndex) >> 8,
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cpu_to_le16(wLength) & 0xff,
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cpu_to_le16(wLength) >> 8);
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}
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return str;
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}
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/**
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* dwc3_ep_event_string - returns event name
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* @event: then event code
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@ -86,7 +86,7 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl,
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__entry->wIndex = le16_to_cpu(ctrl->wIndex);
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__entry->wLength = le16_to_cpu(ctrl->wLength);
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),
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TP_printk("%s", usb_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
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TP_printk("%s", dwc3_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
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__entry->bRequestType,
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__entry->bRequest, __entry->wValue,
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__entry->wIndex, __entry->wLength)
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@ -9,6 +9,5 @@ ccflags-y += -I$(srctree)/drivers/usb/gadget/udc
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obj-$(CONFIG_USB_LIBCOMPOSITE) += libcomposite.o
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libcomposite-y := usbstring.o config.o epautoconf.o
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libcomposite-y += composite.o functions.o configfs.o u_f.o
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libcomposite-y += debug.o
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obj-$(CONFIG_USB_GADGET) += udc/ function/ legacy/
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@ -1,268 +0,0 @@
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// SPDX-License-Identifier: GPL-2.0
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/**
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* Common USB debugging functions
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*
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* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
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*
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* Authors: Felipe Balbi <balbi@ti.com>,
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* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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*/
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#include <linux/usb/ch9.h>
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static void usb_decode_get_status(__u8 bRequestType, __u16 wIndex,
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__u16 wLength, char *str, size_t size)
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{
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switch (bRequestType & USB_RECIP_MASK) {
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case USB_RECIP_DEVICE:
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snprintf(str, size, "Get Device Status(Length = %d)", wLength);
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break;
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case USB_RECIP_INTERFACE:
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snprintf(str, size,
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"Get Interface Status(Intf = %d, Length = %d)",
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wIndex, wLength);
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break;
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case USB_RECIP_ENDPOINT:
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snprintf(str, size, "Get Endpoint Status(ep%d%s)",
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wIndex & ~USB_DIR_IN,
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wIndex & USB_DIR_IN ? "in" : "out");
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break;
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}
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}
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static void usb_decode_set_clear_feature(__u8 bRequestType, __u8 bRequest,
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__u16 wValue, __u16 wIndex,
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char *str, size_t size)
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{
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switch (bRequestType & USB_RECIP_MASK) {
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case USB_RECIP_DEVICE:
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snprintf(str, size, "%s Device Feature(%s%s)",
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bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
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({char *s;
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switch (wValue) {
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case USB_DEVICE_SELF_POWERED:
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s = "Self Powered";
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break;
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case USB_DEVICE_REMOTE_WAKEUP:
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s = "Remote Wakeup";
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break;
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case USB_DEVICE_TEST_MODE:
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s = "Test Mode";
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break;
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case USB_DEVICE_U1_ENABLE:
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s = "U1 Enable";
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break;
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case USB_DEVICE_U2_ENABLE:
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s = "U2 Enable";
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break;
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case USB_DEVICE_LTM_ENABLE:
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s = "LTM Enable";
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break;
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default:
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s = "UNKNOWN";
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} s; }),
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wValue == USB_DEVICE_TEST_MODE ?
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({ char *s;
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switch (wIndex) {
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case TEST_J:
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s = ": TEST_J";
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break;
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case TEST_K:
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s = ": TEST_K";
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break;
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case TEST_SE0_NAK:
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s = ": TEST_SE0_NAK";
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break;
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case TEST_PACKET:
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s = ": TEST_PACKET";
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break;
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case TEST_FORCE_EN:
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s = ": TEST_FORCE_EN";
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break;
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default:
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s = ": UNKNOWN";
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} s; }) : "");
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break;
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case USB_RECIP_INTERFACE:
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snprintf(str, size, "%s Interface Feature(%s)",
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bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
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wValue == USB_INTRF_FUNC_SUSPEND ?
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"Function Suspend" : "UNKNOWN");
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break;
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case USB_RECIP_ENDPOINT:
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snprintf(str, size, "%s Endpoint Feature(%s ep%d%s)",
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bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
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wValue == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN",
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wIndex & ~USB_DIR_IN,
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wIndex & USB_DIR_IN ? "in" : "out");
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break;
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}
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}
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static void usb_decode_set_address(__u16 wValue, char *str, size_t size)
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{
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snprintf(str, size, "Set Address(Addr = %02x)", wValue);
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}
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static void usb_decode_get_set_descriptor(__u8 bRequestType, __u8 bRequest,
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__u16 wValue, __u16 wIndex,
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__u16 wLength, char *str, size_t size)
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{
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snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)",
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bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
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({ char *s;
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switch (wValue >> 8) {
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case USB_DT_DEVICE:
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s = "Device";
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break;
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case USB_DT_CONFIG:
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s = "Configuration";
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break;
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case USB_DT_STRING:
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s = "String";
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break;
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case USB_DT_INTERFACE:
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s = "Interface";
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break;
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case USB_DT_ENDPOINT:
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s = "Endpoint";
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break;
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case USB_DT_DEVICE_QUALIFIER:
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s = "Device Qualifier";
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break;
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case USB_DT_OTHER_SPEED_CONFIG:
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s = "Other Speed Config";
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break;
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case USB_DT_INTERFACE_POWER:
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s = "Interface Power";
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break;
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case USB_DT_OTG:
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s = "OTG";
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break;
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case USB_DT_DEBUG:
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s = "Debug";
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break;
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case USB_DT_INTERFACE_ASSOCIATION:
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s = "Interface Association";
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break;
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case USB_DT_BOS:
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s = "BOS";
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break;
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case USB_DT_DEVICE_CAPABILITY:
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s = "Device Capability";
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break;
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case USB_DT_PIPE_USAGE:
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s = "Pipe Usage";
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break;
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case USB_DT_SS_ENDPOINT_COMP:
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s = "SS Endpoint Companion";
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break;
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case USB_DT_SSP_ISOC_ENDPOINT_COMP:
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s = "SSP Isochronous Endpoint Companion";
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break;
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default:
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s = "UNKNOWN";
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break;
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} s; }), wValue & 0xff, wLength);
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}
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static void usb_decode_get_configuration(__u16 wLength, char *str, size_t size)
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{
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snprintf(str, size, "Get Configuration(Length = %d)", wLength);
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}
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static void usb_decode_set_configuration(__u8 wValue, char *str, size_t size)
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{
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snprintf(str, size, "Set Configuration(Config = %d)", wValue);
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}
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static void usb_decode_get_intf(__u16 wIndex, __u16 wLength, char *str,
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size_t size)
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{
|
||||
snprintf(str, size, "Get Interface(Intf = %d, Length = %d)",
|
||||
wIndex, wLength);
|
||||
}
|
||||
|
||||
static void usb_decode_set_intf(__u8 wValue, __u16 wIndex, char *str,
|
||||
size_t size)
|
||||
{
|
||||
snprintf(str, size, "Set Interface(Intf = %d, Alt.Setting = %d)",
|
||||
wIndex, wValue);
|
||||
}
|
||||
|
||||
static void usb_decode_synch_frame(__u16 wIndex, __u16 wLength,
|
||||
char *str, size_t size)
|
||||
{
|
||||
snprintf(str, size, "Synch Frame(Endpoint = %d, Length = %d)",
|
||||
wIndex, wLength);
|
||||
}
|
||||
|
||||
static void usb_decode_set_sel(__u16 wLength, char *str, size_t size)
|
||||
{
|
||||
snprintf(str, size, "Set SEL(Length = %d)", wLength);
|
||||
}
|
||||
|
||||
static void usb_decode_set_isoch_delay(__u8 wValue, char *str, size_t size)
|
||||
{
|
||||
snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", wValue);
|
||||
}
|
||||
|
||||
/**
|
||||
* usb_decode_ctrl - returns a string representation of ctrl request
|
||||
*/
|
||||
const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
|
||||
__u8 bRequest, __u16 wValue, __u16 wIndex,
|
||||
__u16 wLength)
|
||||
{
|
||||
switch (bRequest) {
|
||||
case USB_REQ_GET_STATUS:
|
||||
usb_decode_get_status(bRequestType, wIndex, wLength, str, size);
|
||||
break;
|
||||
case USB_REQ_CLEAR_FEATURE:
|
||||
case USB_REQ_SET_FEATURE:
|
||||
usb_decode_set_clear_feature(bRequestType, bRequest, wValue,
|
||||
wIndex, str, size);
|
||||
break;
|
||||
case USB_REQ_SET_ADDRESS:
|
||||
usb_decode_set_address(wValue, str, size);
|
||||
break;
|
||||
case USB_REQ_GET_DESCRIPTOR:
|
||||
case USB_REQ_SET_DESCRIPTOR:
|
||||
usb_decode_get_set_descriptor(bRequestType, bRequest, wValue,
|
||||
wIndex, wLength, str, size);
|
||||
break;
|
||||
case USB_REQ_GET_CONFIGURATION:
|
||||
usb_decode_get_configuration(wLength, str, size);
|
||||
break;
|
||||
case USB_REQ_SET_CONFIGURATION:
|
||||
usb_decode_set_configuration(wValue, str, size);
|
||||
break;
|
||||
case USB_REQ_GET_INTERFACE:
|
||||
usb_decode_get_intf(wIndex, wLength, str, size);
|
||||
break;
|
||||
case USB_REQ_SET_INTERFACE:
|
||||
usb_decode_set_intf(wValue, wIndex, str, size);
|
||||
break;
|
||||
case USB_REQ_SYNCH_FRAME:
|
||||
usb_decode_synch_frame(wIndex, wLength, str, size);
|
||||
break;
|
||||
case USB_REQ_SET_SEL:
|
||||
usb_decode_set_sel(wLength, str, size);
|
||||
break;
|
||||
case USB_REQ_SET_ISOCH_DELAY:
|
||||
usb_decode_set_isoch_delay(wValue, str, size);
|
||||
break;
|
||||
default:
|
||||
snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x",
|
||||
bRequestType, bRequest,
|
||||
(u8)(cpu_to_le16(wValue) & 0xff),
|
||||
(u8)(cpu_to_le16(wValue) >> 8),
|
||||
(u8)(cpu_to_le16(wIndex) & 0xff),
|
||||
(u8)(cpu_to_le16(wIndex) >> 8),
|
||||
(u8)(cpu_to_le16(wLength) & 0xff),
|
||||
(u8)(cpu_to_le16(wLength) >> 8));
|
||||
}
|
||||
|
||||
return str;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(usb_decode_ctrl);
|
||||
|
|
@ -889,30 +889,4 @@ extern void usb_ep_autoconfig_release(struct usb_ep *);
|
|||
|
||||
extern void usb_ep_autoconfig_reset(struct usb_gadget *);
|
||||
|
||||
/*-------------------------------------------------------------------------*/
|
||||
/**
|
||||
* usb_decode_ctrl - Returns human readable representation of control request.
|
||||
* @str: buffer to return a human-readable representation of control request.
|
||||
* This buffer should have about 200 bytes.
|
||||
* @size: size of str buffer.
|
||||
* @bRequestType: matches the USB bmRequestType field
|
||||
* @bRequest: matches the USB bRequest field
|
||||
* @wValue: matches the USB wValue field (CPU byte order)
|
||||
* @wIndex: matches the USB wIndex field (CPU byte order)
|
||||
* @wLength: matches the USB wLength field (CPU byte order)
|
||||
*
|
||||
* Function returns decoded, formatted and human-readable description of
|
||||
* control request packet.
|
||||
*
|
||||
* The usage scenario for this is for tracepoints, so function as a return
|
||||
* use the same value as in parameters. This approach allows to use this
|
||||
* function in TP_printk
|
||||
*
|
||||
* Important: wValue, wIndex, wLength parameters before invoking this function
|
||||
* should be processed by le16_to_cpu macro.
|
||||
*/
|
||||
extern const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
|
||||
__u8 bRequest, __u16 wValue, __u16 wIndex,
|
||||
__u16 wLength);
|
||||
|
||||
#endif /* __LINUX_USB_GADGET_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue