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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	robh+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	boris.brezillon@collabora.com, Daniele.Palmas@telit.com,
	bjorn.andersson@linaro.org, Rob Herring <robh@kernel.org>
Subject: Re: [PATCH v11 2/4] dt-bindings: mtd: Add a property to declare secure regions in NAND chips
Date: Wed,  7 Apr 2021 11:06:51 +0200	[thread overview]
Message-ID: <20210407090651.45586-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210402150128.29128-3-manivannan.sadhasivam@linaro.org>

On Fri, 2021-04-02 at 15:01:26 UTC, Manivannan Sadhasivam wrote:
> On a typical end product, a vendor may choose to secure some regions in
> the NAND memory which are supposed to stay intact between FW upgrades.
> The access to those regions will be blocked by a secure element like
> Trustzone. So the normal world software like Linux kernel should not
> touch these regions (including reading).
> 
> So let's add a property for declaring such secure regions so that the
> drivers can skip touching them.
> 
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	robh+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	boris.brezillon@collabora.com, Daniele.Palmas@telit.com,
	bjorn.andersson@linaro.org, Rob Herring <robh@kernel.org>
Subject: Re: [PATCH v11 2/4] dt-bindings: mtd: Add a property to declare secure regions in NAND chips
Date: Wed,  7 Apr 2021 11:06:51 +0200	[thread overview]
Message-ID: <20210407090651.45586-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210402150128.29128-3-manivannan.sadhasivam@linaro.org>

On Fri, 2021-04-02 at 15:01:26 UTC, Manivannan Sadhasivam wrote:
> On a typical end product, a vendor may choose to secure some regions in
> the NAND memory which are supposed to stay intact between FW upgrades.
> The access to those regions will be blocked by a secure element like
> Trustzone. So the normal world software like Linux kernel should not
> touch these regions (including reading).
> 
> So let's add a property for declaring such secure regions so that the
> drivers can skip touching them.
> 
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  reply	other threads:[~2021-04-07  9:06 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-02 15:01 [PATCH v11 0/4] Add support for secure regions in NAND Manivannan Sadhasivam
2021-04-02 15:01 ` Manivannan Sadhasivam
2021-04-02 15:01 ` [PATCH v11 1/4] dt-bindings: mtd: Convert Qcom NANDc binding to YAML Manivannan Sadhasivam
2021-04-02 15:01   ` Manivannan Sadhasivam
2021-04-07  9:06   ` Miquel Raynal
2021-04-07  9:06     ` Miquel Raynal
2021-04-02 15:01 ` [PATCH v11 2/4] dt-bindings: mtd: Add a property to declare secure regions in NAND chips Manivannan Sadhasivam
2021-04-02 15:01   ` Manivannan Sadhasivam
2021-04-07  9:06   ` Miquel Raynal [this message]
2021-04-07  9:06     ` Miquel Raynal
2021-04-02 15:01 ` [PATCH v11 3/4] mtd: rawnand: Add support for secure regions in NAND memory Manivannan Sadhasivam
2021-04-02 15:01   ` Manivannan Sadhasivam
2021-04-07  9:06   ` Miquel Raynal
2021-04-07  9:06     ` Miquel Raynal
2021-04-02 15:01 ` [PATCH v11 4/4] mtd: rawnand: qcom: Add missing nand_cleanup() in error path Manivannan Sadhasivam
2021-04-02 15:01   ` Manivannan Sadhasivam
2021-04-07  9:06   ` Miquel Raynal
2021-04-07  9:06     ` Miquel Raynal
2021-05-26 19:03 ` [PATCH v11 0/4] Add support for secure regions in NAND patchwork-bot+linux-arm-msm

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