Re: [PATCH] optee: simplify i2c access

[Arnd Bergmann]

On Tue, Jan 26, 2021 at 9:08 AM Jorge Ramirez-Ortiz, Foundries
<jorge@xxxxxxxxxxxx> wrote:
>
> On 25/01/21, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@xxxxxxxx>
> >
> > Storing a bogus i2c_client structure on the stack adds overhead and
> > causes a compile-time warning:
> >
> > drivers/tee/optee/rpc.c:493:6: error: stack frame size of 1056 bytes in function 'optee_handle_rpc' [-Werror,-Wframe-larger-than=]
> > void optee_handle_rpc(struct tee_context *ctx, struct optee_rpc_param *param,
> >
> > Change the implementation of handle_rpc_func_cmd_i2c_transfer() to
> > open-code the i2c_transfer() call, which makes it easier to read
> > and avoids the warning.
> >
> > Fixes: c05210ab9757 ("drivers: optee: allow op-tee to access devices on the i2c bus")
>
> does fixing stack-frame compile warnings need a 'fixes' tag?

The fixes tag only describes which commit introduced the bug, it is irrelevant
what type of bug this is.

      Arnd