[PATCH v2 mvebu + mvebu/dt64 1/6] firmware: turris-mox-rwtm: fix reply status decoding function

[Andrew Lunn]

On Thu, Apr 29, 2021 at 10:36:31AM +0200, Pali Rohár wrote:
> From: Marek Behún <kabel at kernel.org>
> 
> The status decoding function mox_get_status() currently contains a dead
> code path: if the error status is not MBOX_STS_SUCCESS, it always
> returns -EIO, so the comparison to MBOX_STS_FAIL is never executed and
> we don't get the actual error code sent by the firmware.
> 
> Fix this.
> 
> Signed-off-by: Marek Behún <kabel at kernel.org>
> Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")

You have put a fixes tag here, meaning you want it in stable? How does
dead code elimination fulfil the stable requirements?

Do any of these changes contain real fixes?

   Andrew