linux-kernel - Re: [PATCH] staging: Add SystemBase Multi-2/PCI driver

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Date:	Fri, 16 Nov 2012 05:32:55 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, hjchoi <hjchoi@...bas.com>
Subject: Re: [PATCH] staging: Add SystemBase Multi-2/PCI driver

On Fri, Nov 16, 2012 at 08:17:55AM -0500, Steven Rostedt wrote:
> On Thu, 2012-11-15 at 21:08 -0800, Greg Kroah-Hartman wrote:
> > On Thu, Nov 15, 2012 at 11:39:31PM -0500, Steven Rostedt wrote:
> > > I ported the driver supplied by SystemBase to mainline.
> > > 
> > > As the driver had MODULE_LICENSE("GPL") it is declared as a GPL module
> > > and thus I have the right to distribute it upstream. Note, I did the
> > > bare minimum to get it working. It still needs a lot of loving.
> > 
> > Being in staging only requires 2 things, proper license, and it has to
> > build.
> > 
> > This fails on the second one:
> > 
> > In file included from drivers/staging/sb105x/sb_pci_mp.c:1:0:
> > drivers/staging/sb105x/sb_pci_mp.h:279:40: error: array type has incomplete element type
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_startup’:
> > drivers/staging/sb105x/sb_pci_mp.c:546:26: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_shutdown’:
> > drivers/staging/sb105x/sb_pci_mp.c:573:40: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_change_speed’:
> > drivers/staging/sb105x/sb_pci_mp.c:596:14: error: wrong type argument to unary exclamation mark
> > drivers/staging/sb105x/sb_pci_mp.c:599:10: error: incompatible types when assigning to type ‘struct ktermios *’ from type ‘struct ktermios’
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_throttle’:
> > drivers/staging/sb105x/sb_pci_mp.c:734:18: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_unthrottle’:
> > drivers/staging/sb105x/sb_pci_mp.c:750:18: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_set_termios’:
> > drivers/staging/sb105x/sb_pci_mp.c:1277:35: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c:1282:4: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_update_termios’:
> > drivers/staging/sb105x/sb_pci_mp.c:1450:19: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘mp_block_til_ready’:
> > drivers/staging/sb105x/sb_pci_mp.c:1476:24: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c:1481:25: error: invalid type argument of ‘->’ (have ‘struct ktermios’)
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘multi_type’:
> > drivers/staging/sb105x/sb_pci_mp.c:2763:14: error: bit-field ‘<anonymous>’ width not an integer constant
> > In file included from drivers/staging/sb105x/sb_pci_mp.c:1:0:
> > drivers/staging/sb105x/sb_pci_mp.c: At top level:
> > drivers/staging/sb105x/sb_pci_mp.h:279:40: warning: ‘uart_config’ defined but not used [-Wunused-variable]
> > drivers/staging/sb105x/sb_pci_mp.c: In function ‘multi_type’:
> > drivers/staging/sb105x/sb_pci_mp.c:2766:1: warning: control reaches end of non-void function [-Wreturn-type]
> > make[3]: *** [drivers/staging/sb105x/sb_pci_mp.o] Error 1
> > make[2]: *** [drivers/staging/sb105x] Error 2
> > make[1]: *** [drivers/staging] Error 2
> 
> Ah interesting, probably a missing dependency. Do you have a config I
> can test against. It worked for me against 3.6.6 (the kernel that runs
> the box with the card).

That's the issue, the tty layer has changed a bunch since 3.6, this was
against 3.7-rc5.  That is what has caused the build breakage here.

Redo this aginast 3.7-rc5 and we should be better off.  If you really
want to do this right, do this against the tty-next git tree, to catch
all of the recent tty changes that will be going into 3.8.

thanks,

greg k-h
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