redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

usb: common: Simplify usb_decode_get_set_descriptor function. 

Patch moves switch responsible for decoding descriptor type
outside snprintf. It improves code readability a little.

Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
alistair/sunxi64-5.4-dsi
Pawel Laszczak 2019-08-26 12:19:29 +01:00 committed by Felipe Balbi
parent 010665b44d
commit f72429fc88
1 changed files with 58 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
drivers/usb/common/debug.c
View File

@ -105,62 +105,65 @@ static void usb_decode_get_set_descriptor(__u8 bRequestType, __u8 bRequest,
__u16 wValue, __u16 wIndex,
__u16 wLength, char *str, size_t size)
{
char *s;
switch (wValue >> 8) {
case USB_DT_DEVICE:
s = "Device";
break;
case USB_DT_CONFIG:
s = "Configuration";
break;
case USB_DT_STRING:
s = "String";
break;
case USB_DT_INTERFACE:
s = "Interface";
break;
case USB_DT_ENDPOINT:
s = "Endpoint";
break;
case USB_DT_DEVICE_QUALIFIER:
s = "Device Qualifier";
break;
case USB_DT_OTHER_SPEED_CONFIG:
s = "Other Speed Config";
break;
case USB_DT_INTERFACE_POWER:
s = "Interface Power";
break;
case USB_DT_OTG:
s = "OTG";
break;
case USB_DT_DEBUG:
s = "Debug";
break;
case USB_DT_INTERFACE_ASSOCIATION:
s = "Interface Association";
break;
case USB_DT_BOS:
s = "BOS";
break;
case USB_DT_DEVICE_CAPABILITY:
s = "Device Capability";
break;
case USB_DT_PIPE_USAGE:
s = "Pipe Usage";
break;
case USB_DT_SS_ENDPOINT_COMP:
s = "SS Endpoint Companion";
break;
case USB_DT_SSP_ISOC_ENDPOINT_COMP:
s = "SSP Isochronous Endpoint Companion";
break;
default:
s = "UNKNOWN";
break;
}
snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)",
bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
({ char *s;
switch (wValue >> 8) {
case USB_DT_DEVICE:
s = "Device";
break;
case USB_DT_CONFIG:
s = "Configuration";
break;
case USB_DT_STRING:
s = "String";
break;
case USB_DT_INTERFACE:
s = "Interface";
break;
case USB_DT_ENDPOINT:
s = "Endpoint";
break;
case USB_DT_DEVICE_QUALIFIER:
s = "Device Qualifier";
break;
case USB_DT_OTHER_SPEED_CONFIG:
s = "Other Speed Config";
break;
case USB_DT_INTERFACE_POWER:
s = "Interface Power";
break;
case USB_DT_OTG:
s = "OTG";
break;
case USB_DT_DEBUG:
s = "Debug";
break;
case USB_DT_INTERFACE_ASSOCIATION:
s = "Interface Association";
break;
case USB_DT_BOS:
s = "BOS";
break;
case USB_DT_DEVICE_CAPABILITY:
s = "Device Capability";
break;
case USB_DT_PIPE_USAGE:
s = "Pipe Usage";
break;
case USB_DT_SS_ENDPOINT_COMP:
s = "SS Endpoint Companion";
break;
case USB_DT_SSP_ISOC_ENDPOINT_COMP:
s = "SSP Isochronous Endpoint Companion";
break;
default:
s = "UNKNOWN";
break;
} s; }), wValue & 0xff, wLength);
bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
s, wValue & 0xff, wLength);
}
static void usb_decode_get_configuration(__u16 wLength, char *str, size_t size)