linux-kernel - Re: [PATCH v2 00/11] dmaengine: kill off dma_slave_config->slave

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Date:   Mon, 13 Dec 2021 10:29:10 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Andy Gross <agross@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hyun Kwon <hyun.kwon@...inx.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Jon Hunter <jonathanh@...dia.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Scott Branden <sbranden@...adcom.com>,
        Takashi Iwai <tiwai@...e.com>,
        Thierry Reding <thierry.reding@...il.com>,
        alsa-devel@...a-project.org, bcm-kernel-feedback-list@...adcom.com,
        dmaengine@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org, linux-serial@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH v2 00/11] dmaengine: kill off dma_slave_config->slave_id

On 22-11-21, 23:21, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.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