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USB: teach "devices" file about Wireless and SuperSpeed USB

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The /sys/kernel/debug/usb/devices file doesn't know about Wireless or
SuperSpeed USB.  This patch (as1416b) teaches it, and updates the
Documentation/usb/proc_sub_info.txt file accordingly.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Vrabel <david.vrabel@csr.com>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2010-09-13 10:43:25 -04:00 • committed by Greg Kroah-Hartman
parent d3134c3b1a
commit 834e2312e7
2 changed files with 29 additions and 16 deletions
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11
drivers/usb/core/devices.c
View file

@ -66,8 +66,8 @@
#define ALLOW_SERIAL_NUMBER
static const char *format_topo =
/* T: Bus=dd Lev=dd Prnt=dd Port=dd Cnt=dd Dev#=ddd Spd=ddd MxCh=dd */
"\nT: Bus=%2.2d Lev=%2.2d Prnt=%2.2d Port=%2.2d Cnt=%2.2d Dev#=%3d Spd=%3s MxCh=%2d\n";
/* T: Bus=dd Lev=dd Prnt=dd Port=dd Cnt=dd Dev#=ddd Spd=dddd MxCh=dd */
"\nT: Bus=%2.2d Lev=%2.2d Prnt=%2.2d Port=%2.2d Cnt=%2.2d Dev#=%3d Spd=%-4s MxCh=%2d\n";
static const char *format_string_manufacturer =
/* S: Manufacturer=xxxx */
@ -520,11 +520,14 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
speed = "1.5"; break;
case USB_SPEED_UNKNOWN: /* usb 1.1 root hub code */
case USB_SPEED_FULL:
speed = "12 "; break;
speed = "12"; break;
case USB_SPEED_WIRELESS: /* Wireless has no real fixed speed */
case USB_SPEED_HIGH:
speed = "480"; break;
case USB_SPEED_SUPER:
speed = "5000"; break;
default:
speed = "?? ";
speed = "??";
}
data_end = pages_start + sprintf(pages_start, format_topo,
bus->busnum, level, parent_devnum,