23 Nov
2021
23 Nov
'21
12:01 a.m.
On Mon, Nov 22, 2021 at 11:21:52PM +0100, Arnd Bergmann wrote:
From: Arnd Bergmann arnd@arndb.de
I recently came across some new uses of the 'slave_id' field that I had (almost) removed a few years ago. There are no legitimate uses of this field in the kernel, only a few stale references and two drivers that abuse the field as a side-channel between the dmaengine driver and its client.
Acked-by: Mark Brown broonie@kernel.org