Thread (19 messages) 19 messages, 5 authors, 2021-12-13

Re: [PATCH v2 00/11] dmaengine: kill off dma_slave_config->slave_id

From: Vinod Koul <vkoul@kernel.org>
Date: 2021-12-13 04:59:22
Also in: dmaengine, dri-devel, linux-arm-msm, linux-mmc, linux-serial, linux-spi, linux-staging, linux-tegra, lkml

On 22-11-21, 23:21, 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.

Let's change the xilinx and qualcomm drivers to use the documented
side-channel (peripheral_data) instead, and remove the remnants of
it to prevent new users from coming in.

I think I got all the necessary Acks on v1 already, so if there are
no further concerns, please merge this through the dmaengine tree
for v5.17, or pull from
Arnd, Thanks for the cleanup. I have applied and folder the fix you sent
in this

-- 
~Vinod

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