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On Mon, May 12, 2008 at 01:02:22AM -0700, David Brownell wrote: > On Sunday 11 May 2008, Marcin Slusarz wrote: > > > > test_ctrl_queue expects (?) positive and negative errnos. > > what is going on here? > > The sign is just a way to flag something: > > /* some faults are allowed, not required */ > > The negative ones are required. Positive codes are optional, > in the sense that, depending on how the peripheral happens > to be implemented, they won't necessarily be triggered. > > For example, the test to fetch a device qualifier desriptor > must succeed if the device is running at high speed. So that > test is marked as negative. But when it's full speed, it > could legitimately fail; marked as positive. And so on for > other tests. > > Look at how the codes are *interpreted* to see it work. Lets document it. Based on comment from David Brownell <david-b@pacbell.net>. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
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| .. | ||
| sisusbvga | ||
| adutux.c | ||
| appledisplay.c | ||
| auerswald.c | ||
| berry_charge.c | ||
| cypress_cy7c63.c | ||
| cytherm.c | ||
| emi26_fw.h | ||
| emi26.c | ||
| emi62_fw_m.h | ||
| emi62_fw_s.h | ||
| emi62.c | ||
| ftdi-elan.c | ||
| idmouse.c | ||
| iowarrior.c | ||
| Kconfig | ||
| ldusb.c | ||
| legousbtower.c | ||
| Makefile | ||
| phidget.c | ||
| phidget.h | ||
| phidgetkit.c | ||
| phidgetmotorcontrol.c | ||
| phidgetservo.c | ||
| rio500_usb.h | ||
| rio500.c | ||
| trancevibrator.c | ||
| usb_u132.h | ||
| usblcd.c | ||
| usbled.c | ||
| usbtest.c | ||
| uss720.c | ||