Re: [PATCH 1/1 -resend] Char: mxser, upgrade to 1.9.1

[Andrew Morton <akpm@osdl.org>]

On Wed, 16 Aug 2006 08:31:12 +0200
Arkadiusz Miskiewicz <arekm@pld-linux.org> wrote:

> On Wednesday 16 August 2006 07:53, Andrew Morton wrote:
> > On Tue, 15 Aug 2006 04:00:14 -0700
> >
> > Jiri Slaby <jirislaby@gmail.com> wrote:
> > > Change driver according to original 1.9.1 moxa driver. Some int->ulong
> > > conversions, outb ~UART_IER_THRI constant. Remove commented stuff.
> > >
> > > I also added printk line with info, if somebody wants to test it, he
> > > should contact me as I can potentially debug the driver with him or just
> > > to confirm it works properly.
> >
> > Ho hum, this is hard.  I guess breaking the driver is one way to find out
> > who is using it, but those who redistribute the kernel for a living might
> > not appreciate the technique.
> >
> > Perhaps we could create an mxser-new.c and offer that in config, plan to
> > remove mxser.c N months hence?
> 
> I can test the updated driver with  MOXA CP-168U series board if it will 
> compile on 2.6.12.6.

Thanks.

> Unfortunately I can't change kernel to latest one there. 
> Will testing on 2.6.12.6 be enough for you?

It might be tough.  Applying this patch to 2.6.12:

patching file drivers/char/mxser.c
Hunk #3 succeeded at 60 (offset 3 lines).
Hunk #5 succeeded at 118 (offset 2 lines).
Hunk #7 FAILED at 170.
Hunk #8 succeeded at 207 (offset 2 lines).
Hunk #9 FAILED at 268.
Hunk #10 FAILED at 307.
Hunk #11 FAILED at 359.
Hunk #12 succeeded at 503 (offset -2 lines).
Hunk #13 FAILED at 656.
Hunk #14 FAILED at 810.
Hunk #15 succeeded at 925 (offset -22 lines).
Hunk #16 succeeded at 991 with fuzz 1 (offset -5 lines).
Hunk #17 succeeded at 983 with fuzz 2 (offset -22 lines).
Hunk #18 FAILED at 1144.
Hunk #19 FAILED at 1175.
Hunk #20 succeeded at 1212 (offset -15 lines).
Hunk #21 FAILED at 1233.
Hunk #22 succeeded at 1272 with fuzz 2 (offset -23 lines).
Hunk #23 FAILED at 1575.
Hunk #24 FAILED at 1656.
Hunk #25 FAILED at 1711.
Hunk #26 succeeded at 1777 (offset -34 lines).
Hunk #27 succeeded at 1908 (offset -25 lines).
Hunk #28 FAILED at 1939.
Hunk #29 FAILED at 2039.
Hunk #30 FAILED at 2065.
Hunk #31 FAILED at 2074.
Hunk #32 succeeded at 2085 (offset -32 lines).
Hunk #33 FAILED at 2119.
Hunk #34 FAILED at 2153.
Hunk #35 FAILED at 2188.
Hunk #36 succeeded at 2204 (offset -28 lines).
Hunk #37 FAILED at 2235.
Hunk #38 FAILED at 2663.
21 out of 38 hunks FAILED -- saving rejects to file drivers/char/mxser.c.rej
patching file include/linux/pci_ids.h
Hunk #1 FAILED at 1777.
1 out of 1 hunk FAILED -- saving rejects to file include/linux/pci_ids.h.rej

That's no fun.

Perhaps it'll work if you apply the patch to 2.6.18-rc4 then copy the
patched files over to 2.6.12..
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