Re: [PATCH] ARM: arch timer: Export 'read_current_timer' symbol

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Hi Mark,

On Wed, Oct 03, 2012 at 01:52:18AM +0100, Mark A. Greer wrote:
> From: "Mark A. Greer" <mgreer@xxxxxxxxxxxxxxx>
> 
> Commit 923df96b9f31b7d08d8438ff9677326d9537accf
> (ARM: 7451/1: arch timer: implement read_current_timer and get_cycles)
> modifies get_cycles() such that it calls read_current_timer().
> Unfortunately, the 'read_current_timer' symbol is not exported so when
> a driver that calls get_cycles() is built as a module, an undefined
> reference error occurs.
> 
> A good example is the crypto/tcrypt.c (CONFIG_CRYPTO_TEST) driver
> because it calls get_cycles() and can only be built as a module.
> 
> Fix this error by exporting the 'read_current_timer' symbol.

This was already reported over on the kernel-janitors list, I assumed they'd
CC'd LAK, but it looks like it didn't happen.

  http://marc.info/?l=kernel-janitors&m=134910841909057&w=2

Anyway, I've got a fix in the works (I don't think you need the ifdef).

Will
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