From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Shawn Guo <shawn.guo@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Marijn Suijten <marijn.suijten@somainline.org>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH 2/2] irqchip: irq-qcom-mpm: Support passing a slice of SRAM as reg space
Date: Thu, 30 Mar 2023 13:17:28 +0200 [thread overview]
Message-ID: <2fbb605a-8ec4-3cd0-3200-5997149bf478@linaro.org> (raw)
In-Reply-To: <20230330015012.GC3590215@dragon>
On 30.03.2023 03:50, Shawn Guo wrote:
> On Wed, Mar 29, 2023 at 03:30:12PM +0200, Konrad Dybcio wrote:
>>> Otherwise, I do not understand why devm_ioremap_resource() cannot be
>>> used.
>> drivers/rpmsg/qcom_glink_rpm.c calls devm_ioremap on the entire
>> RPM MSG RAM.
>
> qcom_glink_rpm driver remaps the entire RPM MSG RAM, but it doesn't seem
> to request any region. So MPM can still call devm_ioremap_resource() on
> its slice, no?
FWIW, I did get a 'can't request resource error'.
Konrad
>
> Shawn
next prev parent reply other threads:[~2023-03-30 11:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-28 10:02 [PATCH 0/2] Resolve MPM register space situation Konrad Dybcio
2023-03-28 10:02 ` [PATCH 1/2] dt-bindings: interrupt-controller: mpm: Allow passing reg through phandle Konrad Dybcio
2023-03-29 3:41 ` Shawn Guo
2023-03-29 8:27 ` Krzysztof Kozlowski
2023-03-29 11:18 ` Konrad Dybcio
2023-03-28 10:02 ` [PATCH 2/2] irqchip: irq-qcom-mpm: Support passing a slice of SRAM as reg space Konrad Dybcio
2023-03-29 3:49 ` Shawn Guo
2023-03-29 11:06 ` Konrad Dybcio
2023-03-29 13:28 ` Shawn Guo
2023-03-29 13:30 ` Konrad Dybcio
2023-03-30 1:34 ` Shawn Guo
2023-04-01 12:06 ` Konrad Dybcio
2023-03-30 1:50 ` Shawn Guo
2023-03-30 11:17 ` Konrad Dybcio [this message]
2023-03-29 3:34 ` [PATCH 0/2] Resolve MPM register space situation Shawn Guo
2023-03-29 3:58 ` Shawn Guo
2023-03-29 11:18 ` Konrad Dybcio
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