Re: [PATCH 3/4] mmc: Call back to optee after a successful mmc_init

["Kathpalia, Tanmay" <tanmay.kathpalia@altera.com>]

Hi Jan,

On 21-08-2026 14:59, Jan Kiszka wrote:
> From: Jan Kiszka<jan.kiszka@siemens.com>
>
> This is needed to that OP-TEE can re-enumerate services which need RPMB
> access that may have become available now.
>
> Signed-off-by: Jan Kiszka<jan.kiszka@siemens.com>
> ---
> CC: Peng Fan<peng.fan@nxp.com>
> CC: Jaehoon Chung<jh80.chung@samsung.com>
> ---
>   drivers/mmc/mmc.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index 670e92ee12b..2463e50cd3c 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -27,6 +27,7 @@
>   #include <linux/list.h>
>   #include <linux/printk.h>
>   #include <div64.h>
> +#include <tee/optee.h>

The include is unconditional while the call is not.

>   #include "mmc_private.h"
>   
>   #define DEFAULT_CMD6_TIMEOUT_MS  500
> @@ -3168,6 +3169,9 @@ int mmc_init(struct mmc *mmc)
>   				mmc->cfg->name);
>   	}
>   
> +	if (CONFIG_IS_ENABLED(OPTEE) && mmc->capacity_rpmb > 0)

It will fail to link when OPTEE=y and SUPPORT_EMMC_RPMB=n. Add
SUPPORT_EMMC_RPMB (or stub the symbol when RPMB is off).

> +		optee_rpmb_available();
> +
>   	return err;
>   }
>