linux-kernel - Re: [PATCH v3 3/5] zynq: remove use of CLKDEV

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Message-Id: <201210241205.34557.arnd@arndb.de>
Date:	Wed, 24 Oct 2012 12:05:34 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Josh Cartwright <josh.cartwright@...com>
Cc:	arm@...nel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	John Linn <john.linn@...inx.com>,
	Nick Bowler <nbowler@...iptictech.com>
Subject: Re: [PATCH v3 3/5] zynq: remove use of CLKDEV_LOOKUP

On Wednesday 24 October 2012, Josh Cartwright wrote:
> The Zynq support in mainline does not (yet) make use of any of the
> generic clk or clk lookup functionality.  Remove what is upstream for
> now, until the out-of-tree implementation is in suitable form for
> merging.
> 
> An important side effect of this patch is that it allows the building of
> a Zynq kernel without running into unresolved symbol problems:
> 
>    drivers/built-in.o: In function `amba_get_enable_pclk':
>    clkdev.c:(.text+0x444): undefined reference to `clk_enable'
>    drivers/built-in.o: In function `amba_remove':
>    clkdev.c:(.text+0x488): undefined reference to `clk_disable'
>    drivers/built-in.o: In function `amba_probe':
>    clkdev.c:(.text+0x540): undefined reference to `clk_disable'
>    drivers/built-in.o: In function `amba_device_add':
>    clkdev.c:(.text+0x77c): undefined reference to `clk_disable'
>    drivers/built-in.o: In function `enable_clock':
>    clkdev.c:(.text+0x29738): undefined reference to `clk_enable'
>    drivers/built-in.o: In function `disable_clock':
>    clkdev.c:(.text+0x29778): undefined reference to `clk_disable'
>    drivers/built-in.o: In function `__pm_clk_remove':
>    clkdev.c:(.text+0x297f8): undefined reference to `clk_disable'
>    drivers/built-in.o: In function `pm_clk_suspend':
>    clkdev.c:(.text+0x29bc8): undefined reference to `clk_disable'
>    drivers/built-in.o: In function `pm_clk_resume':
>    clkdev.c:(.text+0x29c28): undefined reference to `clk_enable'
>    make[2]: *** [vmlinux] Error 1
>    make[1]: *** [sub-make] Error 2
>    make: *** [all] Error 2
> 
> Signed-off-by: Josh Cartwright <josh.cartwright@...com>
> Cc: John Linn <john.linn@...inx.com>

Acked-by: Arnd Bergmann <arnd@...db.de>

I think I forgot to mention in the previous review round that it would be nice
to just enable CONFIG_COMMON_CLK right away. Not important though.

	Arnd
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