[U-Boot] [PATCH] driver: spi: fsl-qspi: remove compile Warnings

[york sun]

On 07/11/2016 09:08 PM, Yunhui Cui wrote:
> From: Yunhui Cui <yunhui.cui at nxp.com>
>
> Warnins log:
> drivers/spi/fsl_qspi.c: In function ‘qspi_ahb_read’:
> drivers/spi/fsl_qspi.c:400:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>    memcpy(rxbuf, (u8 *)(priv->cur_amba_base + priv->sf_addr), len);
>
> Signed-off-by: Yunhui Cui <yunhui.cui at nxp.com>
> ---
>   drivers/spi/fsl_qspi.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
> index 75cbab2..6c69be4 100644
> --- a/drivers/spi/fsl_qspi.c
> +++ b/drivers/spi/fsl_qspi.c
> @@ -386,6 +386,7 @@ static inline void qspi_ahb_read(struct fsl_qspi_priv *priv, u8 *rxbuf, int len)
>   {
>   	struct fsl_qspi_regs *regs = priv->regs;
>   	u32 mcr_reg;
> +	void *rx_addr = NULL;
>
>   	mcr_reg = qspi_read32(priv->flags, &regs->mcr);
>
> @@ -393,8 +394,9 @@ static inline void qspi_ahb_read(struct fsl_qspi_priv *priv, u8 *rxbuf, int len)
>   		     QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK |
>   		     QSPI_MCR_RESERVED_MASK | QSPI_MCR_END_CFD_LE);
>
> +	rx_addr += priv->cur_amba_base + priv->sf_addr;
>   	/* Read out the data directly from the AHB buffer. */
> -	memcpy(rxbuf, (u8 *)(priv->cur_amba_base + priv->sf_addr), len);
> +	memcpy(rxbuf, rx_addr, len);
>
>   	qspi_write32(priv->flags, &regs->mcr, mcr_reg);
>   }
>
Would it be better to use (void *)(uintptr_t)(priv->cur_amba_base + 
priv->sf_addr)?

York