Re: [PATCH] mmc: sdhci: change sdhci-pltfm into a module

From: Wolfram Sang
Date: Sun Jun 05 2011 - 02:57:04 EST


On Thu, Jun 02, 2011 at 10:57:50AM +0800, Shawn Guo wrote:
> From: Shawn Guo <shawn.guo@xxxxxxxxxxxxx>
>
> There are a couple of problems left from the sdhci pltfm and OF
> consolidation changes.
>
> * When building more than one sdhci-pltfm based drivers in the same
> image, linker will give multiple definition error on the sdhci-pltfm
> helper functions. For example right now, building sdhci-of-esdhc
> and sdhci-of-hlwd together is a valid combination from Kconfig view.
>
> * With the current build method, there is error with building the
> drivers as module, but module installation fails with modprobe.
>
> The patch fixes above problems by changing sdhci-pltfm into a module.
> To avoid EXPORT_SYMBOL on so many big endian IO accessors, it moves
> these accessors into sdhci-pltfm.h as the 'static inline' functions.
> As a result, sdhci.h needs to be included in sdhci-pltfm.h, and in
> turn can be removed from individual drivers which already include
> sdhci-pltfm.h.
>
> Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>

I am a bit confused how to review this patch and patch 1/4 from Shawn's
original series. As Chris does rebase his mmc-next anyway, does it make sense
to squash this into the old ones to prevent the broken inbetween state?

Regards,

Wolfram

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