[U-Boot] [PATCH v3] spi: cadence_qspi: Fix compilation warning

[Marek Vasut]

On 07/06/2018 04:39 AM, Ley Foon Tan wrote:
> Use "%zu" for size_t data type.
> 
> 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>
> Acked-by: Marek Vasut <marex at denx.de>

I replaced the V2 with this in u-boot-socfpga/master, so let's see.

> ---
> 
> v1: Cast data_byte to integet
> v2: Use "%lu"
> v3: Still have compilation warning with "%lu" in Cyclone V build.
>     So, change to use "%zu" for size_t type.
> ---
>  drivers/spi/cadence_qspi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
> index 91742ba..29db6fa 100644
> --- a/drivers/spi/cadence_qspi.c
> +++ b/drivers/spi/cadence_qspi.c
> @@ -207,7 +207,7 @@ 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=%zu [bytes]\n", __func__, data_bytes);
>  
>  	/* Set Chip select */
>  	cadence_qspi_apb_chipselect(base, spi_chip_select(dev),
> 


-- 
Best regards,
Marek Vasut