lkml.org 
[lkml]   [2020]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v1] firmware: tee_bnxt: Reduce shm mem size to 4K
+ Jens

Hi Vikas,

On Mon, 6 Jan 2020 at 11:56, Vikas Gupta <vikas.gupta@broadcom.com> wrote:
>
> Reduce shm memory size as maximum size supported by optee_shm_register
> API is 4K.
>

There isn't any 4K size limitation with optee_shm_register() but
rather its an issue in upstream that is fixed via this patch [1]. Give
it a try and let me know if it works for you.

[1] https://lkml.org/lkml/2019/12/30/189

-Sumit

> Fixes: 246880958ac9 (“firmware: broadcom: add OP-TEE based BNXT f/w manager”)
> Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
> ---
> drivers/firmware/broadcom/tee_bnxt_fw.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/firmware/broadcom/tee_bnxt_fw.c b/drivers/firmware/broadcom/tee_bnxt_fw.c
> index 5b7ef89..8f0c61c6 100644
> --- a/drivers/firmware/broadcom/tee_bnxt_fw.c
> +++ b/drivers/firmware/broadcom/tee_bnxt_fw.c
> @@ -12,7 +12,7 @@
>
> #include <linux/firmware/broadcom/tee_bnxt_fw.h>
>
> -#define MAX_SHM_MEM_SZ SZ_4M
> +#define MAX_SHM_MEM_SZ SZ_4K
>
> #define MAX_TEE_PARAM_ARRY_MEMB 4
>
> --
> 2.7.4
>

\
 
 \ /
  Last update: 2020-01-06 08:06    [W:0.045 / U:3.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site