[U-Boot] [PATCH] spi: cadence_qspi: Fix compilation warning

[Marek Vasut]

On 05/07/2018 11:42 AM, Ley Foon Tan wrote:
> Cast data_bytes to integer.
> 
> Compilation warning as below:
> 
> In file included from include/linux/bug.h:7:0,
>                  from include/common.h:26,
>                  from drivers/spi/cadence_qspi.c:8:
> drivers/spi/cadence_qspi.c: In function ‘cadence_spi_xfer’:
> drivers/spi/cadence_qspi.c:211:8: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘size_t {aka long unsigned int}’ [-Wformat=]
>   debug("%s: len=%d [bytes]\n", __func__, data_bytes);
>         ^
> include/linux/printk.h:37:21: note: in definition of macro ‘pr_fmt’
>  #define pr_fmt(fmt) fmt
>                      ^~~
> include/log.h:142:2: note: in expansion of macro ‘debug_cond’
>   debug_cond(_DEBUG, fmt, ##args)
>   ^~~~~~~~~~
> drivers/spi/cadence_qspi.c:211:2: note: in expansion of macro ‘debug’
>   debug("%s: len=%d [bytes]\n", __func__, data_bytes);
> 
> Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
> ---
>  drivers/spi/cadence_qspi.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
> index f80d073..dc4b5a4 100644
> --- a/drivers/spi/cadence_qspi.c
> +++ b/drivers/spi/cadence_qspi.c
> @@ -208,7 +208,7 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen,
>  	} else {
>  		data_bytes = bitlen / 8;
>  	}
> -	debug("%s: len=%d [bytes]\n", __func__, data_bytes);
> +	debug("%s: len=%d [bytes]\n", __func__, (int)data_bytes);

This should probably be %lu instead of the cast.

>  	/* Set Chip select */
>  	cadence_qspi_apb_chipselect(base, spi_chip_select(dev),
> 


-- 
Best regards,
Marek Vasut