From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Karthik Ramasubramanian <kramasub@codeaurora.org>,
Stephen Boyd <swboyd@chromium.org>,
Stephen Boyd <sboyd@chromium.org>,
andy.gross@linaro.org, corbet@lwn.net, david.brown@linaro.org,
gregkh@linuxfoundation.org, mark.rutland@arm.com,
robh+dt@kernel.org, wsa@the-dreams.de, hch@lst.de,
m.szyprowski@samsung.com, linux-doc@vger.kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-serial@vger.kernel.org,
jslaby@suse.com, evgreen@chromium.org, acourbot@chromium.org,
Sagar Dharia <sdharia@codeaurora.org>,
Girish Mahadevan <girishm@codeaurora.org>,
iommu@lists.linux-foundation.org
Subject: Re: [PATCH v3 2/4] soc: qcom: Add GENI based QUP Wrapper driver
Date: Thu, 8 Mar 2018 15:41:43 +0100 [thread overview]
Message-ID: <20180308144143.GB23266@lst.de> (raw)
In-Reply-To: <8567be1b-1431-4f1d-cb41-6a7eaa434438@arm.com>
On Thu, Mar 08, 2018 at 01:24:45PM +0000, Robin Murphy wrote:
> Implementing dma_map_ops inside a driver for real hardware is almost always
> the wrong thing to do.
Agreed. dma_map_ops should be a platform decision based on the bus.
Even our dma_virt_ops basically just works around bad driver layering.
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next prev parent reply other threads:[~2018-03-08 14:41 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1519781889-16117-1-git-send-email-kramasub@codeaurora.org>
[not found] ` <1519781889-16117-3-git-send-email-kramasub@codeaurora.org>
2018-03-02 20:41 ` [PATCH v3 2/4] soc: qcom: Add GENI based QUP Wrapper driver Stephen Boyd
2018-03-02 20:58 ` Evan Green
2018-03-03 0:58 ` Karthik Ramasubramanian
2018-03-06 21:56 ` Stephen Boyd
2018-03-08 6:46 ` Karthik Ramasubramanian
2018-03-08 13:24 ` Robin Murphy
2018-03-08 14:41 ` Christoph Hellwig [this message]
2018-03-08 18:18 ` Karthik Ramasubramanian
2018-03-09 18:18 ` Karthik Ramasubramanian
[not found] ` <1519781889-16117-5-git-send-email-kramasub@codeaurora.org>
2018-03-02 22:11 ` [PATCH v3 4/4] tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP Stephen Boyd
2018-03-06 0:51 ` Karthik Ramasubramanian
2018-03-06 21:45 ` Stephen Boyd
2018-03-08 6:06 ` Karthik Ramasubramanian
2018-03-08 22:32 ` Stephen Boyd
2018-03-09 4:57 ` Karthik Ramasubramanian
2018-03-03 0:11 ` Evan Green
2018-03-13 20:16 ` Karthik Ramasubramanian
2018-03-16 18:39 ` Evan Green
[not found] ` <1519781889-16117-2-git-send-email-kramasub@codeaurora.org>
2018-03-05 23:58 ` [PATCH v3 1/4] dt-bindings: soc: qcom: Add device tree binding for GENI SE Rob Herring
2018-03-06 0:55 ` Karthik Ramasubramanian
2018-03-06 13:22 ` Rob Herring
2018-03-06 17:13 ` Karthik Ramasubramanian
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