[U-Boot] [PATCH v2 3/8] spi: cadence_qspi: Better debug information on the SPI clock rate

[Marek Vasut]

On 11/25/2016 03:38 PM, Phil Edworthy wrote:
> Show what the output clock rate actually is.
> 
> Signed-off-by: Phil Edworthy <phil.edworthy at renesas.com>
> ---
>  drivers/spi/cadence_qspi_apb.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c
> index b9e0df7..3ae4b5a 100644
> --- a/drivers/spi/cadence_qspi_apb.c
> +++ b/drivers/spi/cadence_qspi_apb.c
> @@ -281,13 +281,13 @@ void cadence_qspi_apb_config_baudrate_div(void *reg_base,
>  	div = DIV_ROUND_UP(ref_clk_hz, sclk_hz);
>  	div = DIV_ROUND_UP(div, 2) - 1;
>  
> -	debug("%s: ref_clk %dHz sclk %dHz Div 0x%x\n", __func__,
> -	      ref_clk_hz, sclk_hz, div);
> -
>  	/* ensure the baud rate doesn't exceed the max value */
>  	if (div > CQSPI_REG_CONFIG_BAUD_MASK)
>  		div = CQSPI_REG_CONFIG_BAUD_MASK;
>  
> +	debug("%s: ref_clk %dHz sclk %dHz Div 0x%x, actual %dHz\n", __func__,
> +	      ref_clk_hz, sclk_hz, div, ref_clk_hz / (2 * (div + 1)));

Fine by me:

Acked-by: Marek Vasut <marek.vasut at gmail.com>

>  	reg |= (div << CQSPI_REG_CONFIG_BAUD_LSB);
>  	writel(reg, reg_base + CQSPI_REG_CONFIG);
>  
> 


-- 
Best regards,
Marek Vasut