Re: [RFC PATCH 1/2] sdhci-of: reorganize driver to support additional hardware

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Anton Vorontsov wrote:
> On Mon, Dec 14, 2009 at 08:33:25PM +0100, Albert Herranz wrote:
>> This patch breaks down sdhci-of into a core portion and a eSDHC portion,
>> clearing the path to easily support additional hardware using the same
>> OF driver.
>>
>> Signed-off-by: Albert Herranz <albert_herranz@xxxxxxxx>
> 
> Looks really good, thanks a lot for your work!
> 
> Few minor nits down below.
> 
> [...]
>> +++ b/drivers/mmc/host/sdhci-of-core.c
> 
> Not sure if adding -core prefix makes things better (it
> actually makes the patch harder to review).
> 
> Can we leave the core in sdhci-of.c, and just factor out
> esdhc stuff from it?
> 

I wanted to preserve the module name (sdhci-of). I basically renamed sdhci-of.c to sdhci-of-core.c to avoid a recursive rule in the Makefile.
Is there an easy way to make the module build as sdhci-of from sdhci-of.c + sdhci-of-esdhc.c + whatever ?

> [...]
>> +#include <linux/mmc/host.h>
>> +#include <asm/machdep.h>
>> +#include "sdhci-of.h"
>> +
> 
> You still need to include sdhci.h. Files need to include all
> the headers they need. I.e., here you should not rely on the
> fact that sdhci-of.h includes sdhci.h.
> 

Including sdhci.h more than once currently results in duplicate definition errors because that header file is not protected with #ifdef'ery.
I can fix sdhci.h and then explicitly include it again.

> [...]
>> --- /dev/null
>> +++ b/drivers/mmc/host/sdhci-of.h
>> @@ -0,0 +1,42 @@
> [...]
>> +extern struct sdhci_of_data sdhci_esdhc;
>> +
>> +#endif /* __SDHCI_OF_H */
>> +
>> -- 
>> 1.6.3.3
> 
> Unneeded empty line at the end of sdhci-of.h.
> 

Thanks.

> If you'll manage to resend the patches before Linus roll the -rc1
> out, I'd be glad to beg Andrew to send this for v2.6.33. Because
> it will be a pity if it has to wait for 2.6.34.
> 

I'll try, as long as we solve nit #1 quickly enough :)

Cheers,
Albert
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