On Wed, Oct 04, 2017 at 12:59:45PM -0700, Philip Guenther wrote:
| > - if (!umcs_get_reg(sc, UMCS_GPIO, &data)) {
| > + printf("%s: data before umcs_get_reg: %d\n", DEVNAME(sc), data);
| > + umcs_get_reg(sc, UMCS_GPIO, &data);
| > + printf("%s: data after umcs_get_reg: %d\n", DEVNAME(sc), d
On Wed, 4 Oct 2017, Paul de Weerd wrote:
...
> which bumps dev/usb/umcs.c to revision 1.5 with commit message:
>
> "Deactivate the device if I/O fails in attach.
>
> Coverity CID 1453399; ok deraadt@"
>
> reverting this makes the device work again, but since there's a
> Coverity CID attached, th
Hi all,
I have a 4-port ST Lab umsc(4) device that used to work quite well for
serial access to a set of machines. Unfortunately, after upgrading to
6.2-ish, it stopped working with the error:
umcs0: unable to get number of ports
Bisecting through a set of snapshot kernels, I found the problem