Hi Laurent

On Tue, 29 Oct 2013, Laurent Pinchart wrote:

> Renesas ARM platforms are transitioning from single-platform to
> multi-platform kernels using the new ARCH_SHMOBILE_MULTI. Make the
> driver available on all ARM platforms to enable it on both ARCH_SHMOBILE
> and ARCH_SHMOBILE_MULTI and increase build testing coverage.
> 
> Cc: Chris Ball <c...@laptop.org>
> Cc: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
> Cc: Ian Molton <i...@mnementh.co.uk>
> Cc: linux-mmc@vger.kernel.org
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
> ---
>  drivers/mmc/host/Kconfig        | 2 +-
>  drivers/mmc/host/tmio_mmc_dma.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
> index 7fc5099..51957d4 100644
> --- a/drivers/mmc/host/Kconfig
> +++ b/drivers/mmc/host/Kconfig
> @@ -479,7 +479,7 @@ config MMC_TMIO
>  
>  config MMC_SDHI
>       tristate "SH-Mobile SDHI SD/SDIO controller support"
> -     depends on SUPERH || ARCH_SHMOBILE
> +     depends on SUPERH || ARM
>       select MMC_TMIO_CORE
>       help
>         This provides support for the SDHI SD/SDIO controller found in
> diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
> index 65edb4a..535bc35 100644
> --- a/drivers/mmc/host/tmio_mmc_dma.c
> +++ b/drivers/mmc/host/tmio_mmc_dma.c
> @@ -28,7 +28,7 @@ void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool 
> enable)
>       if (!host->chan_tx || !host->chan_rx)
>               return;
>  
> -#if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE)
> +#if defined(CONFIG_SUPERH) || defined(CONFIG_ARM)

I'm not sure about this one. In principle DMA so far is only used on SDHI 
with TMIO. But this #if was for a theoretical case, when a TMIO MMC IP 
inside an MFD is also used with DMA. Bus since I had no indormation about 
whether the CTL_DMA_ENABLE register was SDHI specific or not, I put it 
under an #if for the time being. In any case, I don't think making it 
#ifdef CONFIG_ARM makes much sense. We can either remove the #if 
completely, or keep it to limit the scope of this write to sh-mobile 
arches.

Thanks
Guennadi

>       /* Switch DMA mode on or off - SuperH specific? */
>       sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? 2 : 0);
>  #endif
> -- 
> 1.8.1.5
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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