linux-kernel - Re: linux-next: import of usb series failed

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Message-Id: <20100220120207.1d765147.sfr@canb.auug.org.au>
Date:	Sat, 20 Feb 2010 12:02:07 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Greg KH <greg@...ah.com>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: import of usb series failed

Hi Greg,

[This is a bit long - I wrote it while I was investigating.  Skip to the
end for the possible resolution.]

On Fri, 19 Feb 2010 07:53:43 -0800 Greg KH <greg@...ah.com> wrote:
>
> Very wierd.  I just ran 'git quiltimport' on my whole tree onto Linus's
> latest git tree and it worked just fine.
> 
> What is the command you are using here to do this?  Perhaps there is
> some other tree modifying this file causing a problem?
> 
> odd,

Yes, indeed.

Here is an excerpt from the quilt import log for yesterday:

-------------------------------------------------------------------------
Importing driver-core.current based on 2.6.33-rc8
Unchanged quilt series driver-core.current
Importing tty.current based on quilt/driver-core.current
Unchanged quilt series tty.current
Importing usb.current based on quilt/tty.current
Unchanged quilt series usb.current
Importing staging.current based on quilt/usb.current
Unchanged quilt series staging.current
Importing driver-core based on quilt/staging.current
$ git clone -s -l -n -q . ../quilt-tmp
$ cd ../quilt-tmp
$ git reset --hard 724e6d3fe8003c3f60bf404bf22e4e331327c596
HEAD is now at 724e6d3 Linux 2.6.33-rc8
$ git quiltimport --author Greg KH <greg@...ah.com> --patches ../quilt/driver-core
kobject-example-spelling-fixes.patch
	.
	.
	.
msi-laptop-depends-on-rfkill.patch
$ cd ../next
$ git fetch -f ../quilt-tmp master:quilt/driver-core
From ../quilt-tmp
 + 3d6a19d...ce9ae3d master     -> quilt/driver-core  (forced update)
Importing tty based on quilt/driver-core
$ cd ../quilt-tmp
$ git reset --hard ce9ae3d4576783400109975a5a25f4bd9202cf7c
HEAD is now at ce9ae3d msi-laptop: depends on RFKILL
$ git quiltimport --author Greg KH <greg@...ah.com> --patches ../quilt/tty
serial-fit-blackfin-uart-over-sport-driver-into-common-uart-infrastructure.patch
	.
	.
	.
tty-fix-the-ldisc-hangup-race.patch
$ cd ../next
$ git fetch -f ../quilt-tmp master:quilt/tty
From ../quilt-tmp
 + d99adec...e686c28 master     -> quilt/tty  (forced update)
Importing usb based on quilt/tty
$ cd ../quilt-tmp
$ git reset --hard e686c28435a750e78ac3eb44ea8295c5a3ce3461
HEAD is now at e686c28 tty: Fix the ldisc hangup race
$ git quiltimport --author Greg KH <greg@...ah.com> --patches ../quilt/usb
usb-mxc-add-i.mx21-specific-usb-host-controller-driver.patch
	.
	.
	.
usb-gadget-add-devtype-support-for-ethernet-functions.patch
usb-serial-eliminate-useless-code.patch
usb-ftdi_sio-correct-spelling-in-header-files.patch
error: patch failed: drivers/usb/serial/ftdi_sio_ids.h:185
error: drivers/usb/serial/ftdi_sio_ids.h: patch does not apply
-------------------------------------------------------------------------

So, since the ".current" series are all empty, I am importing the
driver-core, tty and then usb series on top of v2.6.33-rc8.  I have just
done this again manually and the failure still happens (I have not
refetched your quilt series since yesterday.

At this point, the file drivers/usb/serial/ftdi_sio_ids.h from line 185
looks like this:

#define FTDI_ELV_PCD200_PID	0xF06C	/* PC-Datenlogger (PCD 200) */
#define FTDI_ELV_ULA200_PID	0xF06D	/* USB-LCD-Ansteuerung (ULA 200) */
#define FTDI_ELV_ALC8500_PID	0xF06E	/* ALC 8500 Expert */
#define FTDI_ELV_FHZ1000PC_PID	0xF06F	/* FHZ 1000 PC */
#define FTDI_ELV_UR100_PID	0xFB58	/* USB-RS232-Umsetzer (UR 100) */
#define FTDI_ELV_UM100_PID	0xFB5A	/* USB-Modul UM 100 */

The patch hunk looks like this:

@@ -185,7 +185,7 @@
 #define FTDI_ELV_TFD128_PID	0xE0EC	/* ELV Temperatur-Feuchte-Datenlogger TFD 128 */
 #define FTDI_ELV_FM3RX_PID	0xE0ED	/* ELV Messwertuebertragung FM3 RX */
 #define FTDI_ELV_WS777_PID	0xE0EE	/* Conrad WS 777 */
-#define FTDI_ELV_EM1010PC_PID	0xE0EF	/* Engery monitor EM 1010 PC */
+#define FTDI_ELV_EM1010PC_PID	0xE0EF	/* Energy monitor EM 1010 PC */
 #define FTDI_ELV_CSI8_PID	0xE0F0	/* Computer-Schalt-Interface (CSI 8) */
 #define FTDI_ELV_EM1000DL_PID	0xE0F1	/* PC-Datenlogger fuer Energiemonitor (EM 1000 DL) */
 #define FTDI_ELV_PCK100_PID	0xE0F2	/* PC-Kabeltester (PCK 100) */

Between v2.6.33-rc8 and the head if Linus' tree thee are two patches that
change this file.  So I guess the BASE in the driver-core.current series
files needs updating.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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