[U-Boot] [PATCH 3/5] mmc: dump card and host capabilities if debug is enabled

[Lukasz Majewski]

On Tue, 21 Nov 2017 16:13:06 +0100
Jean-Jacques Hiblot <jjhiblot at ti.com> wrote:

> This is a useful information while debugging the initialization
> process or performance issues.
> 
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
> ---
>  drivers/mmc/mmc.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index a5a521e..a30b6a2 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1502,6 +1502,10 @@ void mmc_dump_capabilities(const char *text,
> uint caps) printf("%s, ", mmc_mode_name(mode));
>  	printf("\b\b]\n");
>  }
> +#else
> +void mmc_dump_capabilities(const char *text, uint caps)
> +{
> +}
>  #endif
>  
>  struct mode_width_tuning {
> @@ -1582,6 +1586,8 @@ static int sd_select_mode_and_width(struct mmc
> *mmc, uint card_caps) bool uhs_en = (mmc->ocr & OCR_S18R) ? true :
> false; uint caps;
>  
> +	mmc_dump_capabilities("sd card", card_caps);
> +	mmc_dump_capabilities("host", mmc->host_caps |
> MMC_MODE_1BIT); 
>  	/* Restrict card's capabilities by what the host can do */
>  	caps = card_caps & (mmc->host_caps | MMC_MODE_1BIT);
> @@ -1764,6 +1770,9 @@ static int mmc_select_mode_and_width(struct mmc
> *mmc, uint card_caps) const struct mode_width_tuning *mwt;
>  	const struct ext_csd_bus_width *ecbw;
>  
> +	mmc_dump_capabilities("mmc", card_caps);
> +	mmc_dump_capabilities("host", mmc->host_caps |
> MMC_MODE_1BIT); +
>  	/* Restrict card's capabilities by what the host can do */
>  	card_caps &= (mmc->host_caps | MMC_MODE_1BIT);
>  

Reviewed-by: Lukasz Majewski <lukma at denx.de>

Best regards,

Lukasz Majewski

--

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