From: Rob Herring <robh@kernel.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Chris Lew <clew@codeaurora.org>,
Deepak Kumar Singh <deesin@codeaurora.org>
Subject: Re: [PATCH v2 3/4] soc: qcom: smem: Support reserved-memory description
Date: Wed, 6 Oct 2021 16:20:42 -0500 [thread overview]
Message-ID: <YV4TKh3XJYGOpGM3@robh.at.kernel.org> (raw)
In-Reply-To: <20210930182111.57353-4-bjorn.andersson@linaro.org>
On Thu, Sep 30, 2021 at 11:21:10AM -0700, Bjorn Andersson wrote:
> Practically all modern Qualcomm platforms has a single reserved-memory
> region for SMEM. So rather than having to describe SMEM in the form of a
> node with a reference to a reserved-memory node, allow the SMEM device
> to be instantiated directly from the reserved-memory node.
>
> The current means of falling back to dereferencing the "memory-region"
> is kept as a fallback, if it's determined that the SMEM node is a
> reserved-memory node.
>
> The "qcom,smem" compatible is added to the reserved_mem_matches list, to
> allow the reserved-memory device to be probed.
>
> In order to retain the readability of the code, the resolution of
> resources is split from the actual ioremapping.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>
> Changes since v1:
> - None
>
> drivers/of/platform.c | 1 +
Acked-by: Rob Herring <robh@kernel.org>
> drivers/soc/qcom/smem.c | 57 ++++++++++++++++++++++++++++-------------
> 2 files changed, 40 insertions(+), 18 deletions(-)
next prev parent reply other threads:[~2021-10-06 21:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 18:21 [PATCH v2 0/4] dt-bindings: soc: smem: Make indirection optional Bjorn Andersson
2021-09-30 18:21 ` [PATCH v2 1/4] dt-bindings: sram: Document qcom,rpm-msg-ram Bjorn Andersson
2021-10-06 21:18 ` Rob Herring
2021-09-30 18:21 ` [PATCH v2 2/4] dt-bindings: soc: smem: Make indirection optional Bjorn Andersson
2021-10-06 21:19 ` Rob Herring
2021-09-30 18:21 ` [PATCH v2 3/4] soc: qcom: smem: Support reserved-memory description Bjorn Andersson
2021-10-01 7:08 ` Vladimir Zapolskiy
2021-10-01 14:23 ` Bjorn Andersson
2021-10-06 21:20 ` Rob Herring [this message]
2021-09-30 18:21 ` [PATCH v2 4/4] arm64: dts: qcom: sdm845: Drop standalone smem node Bjorn Andersson
2021-10-17 15:31 ` (subset) " Bjorn Andersson
2021-10-01 7:11 ` [PATCH v2 0/4] dt-bindings: soc: smem: Make indirection optional Vladimir Zapolskiy
2021-10-16 4:40 ` patchwork-bot+linux-arm-msm
2021-10-17 15:31 ` (subset) " Bjorn Andersson
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