[U-Boot] [PATCH] mmc: cadence: use fdt32_t for DT property value to fix sparse warning

[Jaehoon Chung]

On 06/22/2017 05:58 PM, Masahiro Yamada wrote:
> DTB is encoded in big endian.  When we retrieve property values,
> we need to use fdt32_to_cpu (aka be32_to_cpu) for endian conversion.
> This is a bit error-prone, but sparse is useful to detect endian
> mismatch.
> 
> We need to use (fdt32_t *) instead of (u32 *) for a pointer of a
> property value.  Otherwise sparse warns "cast to restricted __be32".
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>

Applied to u-boot-mmc. Thanks!

Best Regards,
Jaehoon Chung

> ---
> 
>  drivers/mmc/sdhci-cadence.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/sdhci-cadence.c b/drivers/mmc/sdhci-cadence.c
> index 4bd2623eaef9..f83c1d724108 100644
> --- a/drivers/mmc/sdhci-cadence.c
> +++ b/drivers/mmc/sdhci-cadence.c
> @@ -92,7 +92,7 @@ static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_plat *plat,
>  static int sdhci_cdns_phy_init(struct sdhci_cdns_plat *plat,
>  				const void *fdt, int nodeoffset)
>  {
> -	const u32 *prop;
> +	const fdt32_t *prop;
>  	int ret, i;
>  
>  	for (i = 0; i < ARRAY_SIZE(sdhci_cdns_phy_cfgs); i++) {
>