[PATCH RESEND 5/7] mmc: host: dw_mmc make IO accessors endian agnostic

Jaehoon Chung jh80.chung at samsung.com
Sun Mar 29 17:48:40 PDT 2015


Hi, Ben.

Your patches (5/7~7/7) looks good to me..I will pick them..
But could you fix the checkpatch warning?
Or if you're ok. i will fix the checkpatch warning..then will apply them.

Best Regards,
Jaehoon Chung

On 03/25/2015 08:27 PM, Ben Dooks wrote:
> The dw_mmc driver does not use endian agnostic IO accessors, so fix
> the use of __raw reads and writes to be the relaxed versions.
> 
> This fixes the dw_mmc driver initialisation on Altera socfpga in big endian.
> 
> Signed-off-by: Ben Dooks <ben.dooks at codethink.co.uk>
> --
> CC: Linux MMC <linux-mmc at vger.kernel.org>
> CC: Linux ARM Kernel <linux-arm-kernel at lists.infradead.org>
> CC: Dinh Nguyen <dinguyen at opensource.altera.com>
> CC: Chris Ball <chris at printf.net>
> CC: Ulf Hansson <ulf.hansson at linaro.org>
> CC: Jaehoon Chung <jh80.chung at samsung.com>
> CC: Seungwon Jeon <tgih.jun at samsung.com>
> ---
>  drivers/mmc/host/dw_mmc.h | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
> index 18c4afe..46efdc5 100644
> --- a/drivers/mmc/host/dw_mmc.h
> +++ b/drivers/mmc/host/dw_mmc.h
> @@ -171,22 +171,22 @@
>  
>  /* Register access macros */
>  #define mci_readl(dev, reg)			\
> -	__raw_readl((dev)->regs + SDMMC_##reg)
> +	readl_relaxed((dev)->regs + SDMMC_##reg)
>  #define mci_writel(dev, reg, value)			\
> -	__raw_writel((value), (dev)->regs + SDMMC_##reg)
> +	writel_relaxed((value), (dev)->regs + SDMMC_##reg)
>  
>  /* 16-bit FIFO access macros */
>  #define mci_readw(dev, reg)			\
> -	__raw_readw((dev)->regs + SDMMC_##reg)
> +	readw_relaxed((dev)->regs + SDMMC_##reg)
>  #define mci_writew(dev, reg, value)			\
> -	__raw_writew((value), (dev)->regs + SDMMC_##reg)
> +	writew_relaxed((value), (dev)->regs + SDMMC_##reg)
>  
>  /* 64-bit FIFO access macros */
>  #ifdef readq
>  #define mci_readq(dev, reg)			\
> -	__raw_readq((dev)->regs + SDMMC_##reg)
> +	readq_relaxed((dev)->regs + SDMMC_##reg)
>  #define mci_writeq(dev, reg, value)			\
> -	__raw_writeq((value), (dev)->regs + SDMMC_##reg)
> +	writeq_relaxed((value), (dev)->regs + SDMMC_##reg)
>  #else
>  /*
>   * Dummy readq implementation for architectures that don't define it.
> 




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