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Message-ID: <20120923135635.GB13842@linux-mips.org>
Date: Sun, 23 Sep 2012 15:56:35 +0200
From: Ralf Baechle <ralf@...ux-mips.org>
To: Thierry Reding <thierry.reding@...onic-design.de>,
Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org
Cc: linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
Antony Pavlov <antonynpavlov@...il.com>,
Lars-Peter Clausen <lars@...afoo.de>,
Maarten ter Huurne <maarten@...ewalker.org>
Subject: Re: [PATCH v2 0/3] MIPS: JZ4740: Move PWM driver to PWM framework
On Sat, Sep 22, 2012 at 09:41:45AM +0200, Thierry Reding wrote:
> Have you had a chance to look at this? It is the last remaining PWM
> driver that isn't moved to the PWM framework yet. All the others are
> either in linux-next already and queued for 3.7 or have recently got
> Acked-by the respective maintainers (Unicore32). Patches 2 and 3 were
> already acked and tested by Lars-Peter who did the initial porting.
> Patch 1 can probably be dropped since I seem to be the only one running
> into that issue.
>
> I really want to take this in for 3.7 so I can use the 3.7 cycle to
> transition from the legacy API to the new API and possibly even get rid
> of the legacy parts altogether. However I don't want to do this without
> the Acked-by from the MIPS maintainer.
Acked-by: Ralf Baechle <ralf@...ux-mips.org>
for 2/3 and 3/3.
I now can reproduce the build error that 1/3 is supposed to fix. The issue
is not as first suspected an odd bug in just your compiler. The tree
(I was testing on today's -next) is building fine when compiling in-tree
but fails out of tree:
CC arch/mips/jz4740/irq.o
In file included from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/irq.h:18:0,
from /home/ralf/src/linux/linux-jz4740/include/linux/irq.h:27,
from /home/ralf/src/linux/linux-jz4740/include/asm-generic/hardirq.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/hardirq.h:16,
from /home/ralf/src/linux/linux-jz4740/include/linux/hardirq.h:7,
from /home/ralf/src/linux/linux-jz4740/include/linux/interrupt.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:19:
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.h:20:39: error: ‘struct irq_data’ declared inside parameter list [-Werror]
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.h:20:39: error: its scope is only this definition or declaration, which is probably not what you want [-Werror]
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.h:21:38: error: ‘struct irq_data’ declared inside parameter list [-Werror]
In file included from /home/ralf/src/linux/linux-jz4740/include/linux/irq.h:356:0,
from /home/ralf/src/linux/linux-jz4740/include/asm-generic/hardirq.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/hardirq.h:16,
from /home/ralf/src/linux/linux-jz4740/include/linux/hardirq.h:7,
from /home/ralf/src/linux/linux-jz4740/include/linux/interrupt.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:19:
/home/ralf/src/linux/linux-jz4740/include/linux/irqdesc.h:73:33: error: ‘NR_IRQS’ undeclared here (not in a function)
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c: In function ‘jz4740_cascade’:
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:49:39: error: ‘JZ4740_IRQ_BASE’ undeclared (first use in this function)
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:49:39: note: each undeclared identifier is reported only once for each function it appears in
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c: At top level:
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:62:6: error: conflicting types for ‘jz4740_irq_suspend’
In file included from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/irq.h:18:0,
from /home/ralf/src/linux/linux-jz4740/include/linux/irq.h:27,
from /home/ralf/src/linux/linux-jz4740/include/asm-generic/hardirq.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/hardirq.h:16,
from /home/ralf/src/linux/linux-jz4740/include/linux/hardirq.h:7,
from /home/ralf/src/linux/linux-jz4740/include/linux/interrupt.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:19:
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.h:20:13: note: previous declaration of ‘jz4740_irq_suspend’ was here
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:68:6: error: conflicting types for ‘jz4740_irq_resume’
In file included from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/irq.h:18:0,
from /home/ralf/src/linux/linux-jz4740/include/linux/irq.h:27,
from /home/ralf/src/linux/linux-jz4740/include/asm-generic/hardirq.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/include/asm/hardirq.h:16,
from /home/ralf/src/linux/linux-jz4740/include/linux/hardirq.h:7,
from /home/ralf/src/linux/linux-jz4740/include/linux/interrupt.h:12,
from /home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:19:
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.h:21:13: note: previous declaration of ‘jz4740_irq_resume’ was here
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c: In function ‘arch_init_irq’:
/home/ralf/src/linux/linux-jz4740/arch/mips/jz4740/irq.c:91:41: error: ‘JZ4740_IRQ_BASE’ undeclared (first use in this function)
Which (while your patch is probably fine, I haven't tested) this seems to
be a build system issue, so should be preferably be fixed there.
Marek, the whole email exchange is archived at
http://www.linux-mips.org/archives/linux-mips/2012-09/threads.html
Ralf
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