From: "H. Nikolaus Schaller" <hns@goldelico.com> To: Paul Cercueil <paul@crapouillou.net>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, "H. Nikolaus Schaller" <hns@goldelico.com>, Geert Uytterhoeven <geert+renesas@glider.be>, Kees Cook <keescook@chromium.org>, "Eric W. Biederman" <ebiederm@xmission.com>, Miquel Raynal <miquel.raynal@bootlin.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Neil Armstrong <narmstrong@baylibre.com>, Robert Foss <robert.foss@linaro.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Jernej Skrabec <jernej.skrabec@gmail.com>, Harry Wentland <harry.wentland@amd.com>, Sam Ravnborg <sam@ravnborg.org>, Maxime Ripard <maxime@cerno.tech>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Paul Boddie <paul@boddie.org.uk> Cc: devicetree@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, Jonas Karlman <jonas@kwiboo.se>, dri-devel@lists.freedesktop.org Subject: [PATCH v10 8/8] [RFC] MIPS: DTS: Ingenic: adjust register size to available registers Date: Tue, 30 Nov 2021 22:26:41 +0100 [thread overview] Message-ID: <ead6d476378e134837443ac245ccd112c0c59b64.1638307601.git.hns@goldelico.com> (raw) In-Reply-To: <cover.1638307601.git.hns@goldelico.com> After getting the regmap size from the device tree we should reduce the ranges to the really available registers. This allows to read only existing registers from the debug fs and makes the regmap check out-of-bounds access. For the jz4780 we have done this already. Suggested-for: Paul Cercueil <paul@crapouillou.net> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> --- arch/mips/boot/dts/ingenic/jz4725b.dtsi | 2 +- arch/mips/boot/dts/ingenic/jz4740.dtsi | 2 +- arch/mips/boot/dts/ingenic/jz4770.dtsi | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/mips/boot/dts/ingenic/jz4725b.dtsi b/arch/mips/boot/dts/ingenic/jz4725b.dtsi index 0c6a5a4266f43..e9e48022f6316 100644 --- a/arch/mips/boot/dts/ingenic/jz4725b.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4725b.dtsi @@ -321,7 +321,7 @@ udc: usb@13040000 { lcd: lcd-controller@13050000 { compatible = "ingenic,jz4725b-lcd"; - reg = <0x13050000 0x1000>; + reg = <0x13050000 0x130>; /* tbc */ interrupt-parent = <&intc>; interrupts = <31>; diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi index 772542e1f266a..7f76cba03a089 100644 --- a/arch/mips/boot/dts/ingenic/jz4740.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi @@ -323,7 +323,7 @@ udc: usb@13040000 { lcd: lcd-controller@13050000 { compatible = "ingenic,jz4740-lcd"; - reg = <0x13050000 0x1000>; + reg = <0x13050000 0x60>; /* LCDCMD1+4 */ interrupt-parent = <&intc>; interrupts = <30>; diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi index dfe74328ae5dc..bda0a3a86ed5f 100644 --- a/arch/mips/boot/dts/ingenic/jz4770.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi @@ -399,7 +399,7 @@ gpu: gpu@13040000 { lcd: lcd-controller@13050000 { compatible = "ingenic,jz4770-lcd"; - reg = <0x13050000 0x300>; + reg = <0x13050000 0x130>; /* tbc */ interrupt-parent = <&intc>; interrupts = <31>; -- 2.33.0
WARNING: multiple messages have this Message-ID (diff)
From: "H. Nikolaus Schaller" <hns@goldelico.com> To: Paul Cercueil <paul@crapouillou.net>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, "H. Nikolaus Schaller" <hns@goldelico.com>, Geert Uytterhoeven <geert+renesas@glider.be>, Kees Cook <keescook@chromium.org>, "Eric W. Biederman" <ebiederm@xmission.com>, Miquel Raynal <miquel.raynal@bootlin.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Neil Armstrong <narmstrong@baylibre.com>, Robert Foss <robert.foss@linaro.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Jernej Skrabec <jernej.skrabec@gmail.com>, Harry Wentland <harry.wentland@amd.com>, Sam Ravnborg <sam@ravnborg.org>, Maxime Ripard <maxime@cerno.tech>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Paul Boddie <paul@boddie.org.uk> Cc: devicetree@vger.kernel.org, Jonas Karlman <jonas@kwiboo.se>, linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org Subject: [PATCH v10 8/8] [RFC] MIPS: DTS: Ingenic: adjust register size to available registers Date: Tue, 30 Nov 2021 22:26:41 +0100 [thread overview] Message-ID: <ead6d476378e134837443ac245ccd112c0c59b64.1638307601.git.hns@goldelico.com> (raw) In-Reply-To: <cover.1638307601.git.hns@goldelico.com> After getting the regmap size from the device tree we should reduce the ranges to the really available registers. This allows to read only existing registers from the debug fs and makes the regmap check out-of-bounds access. For the jz4780 we have done this already. Suggested-for: Paul Cercueil <paul@crapouillou.net> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> --- arch/mips/boot/dts/ingenic/jz4725b.dtsi | 2 +- arch/mips/boot/dts/ingenic/jz4740.dtsi | 2 +- arch/mips/boot/dts/ingenic/jz4770.dtsi | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/mips/boot/dts/ingenic/jz4725b.dtsi b/arch/mips/boot/dts/ingenic/jz4725b.dtsi index 0c6a5a4266f43..e9e48022f6316 100644 --- a/arch/mips/boot/dts/ingenic/jz4725b.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4725b.dtsi @@ -321,7 +321,7 @@ udc: usb@13040000 { lcd: lcd-controller@13050000 { compatible = "ingenic,jz4725b-lcd"; - reg = <0x13050000 0x1000>; + reg = <0x13050000 0x130>; /* tbc */ interrupt-parent = <&intc>; interrupts = <31>; diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi index 772542e1f266a..7f76cba03a089 100644 --- a/arch/mips/boot/dts/ingenic/jz4740.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi @@ -323,7 +323,7 @@ udc: usb@13040000 { lcd: lcd-controller@13050000 { compatible = "ingenic,jz4740-lcd"; - reg = <0x13050000 0x1000>; + reg = <0x13050000 0x60>; /* LCDCMD1+4 */ interrupt-parent = <&intc>; interrupts = <30>; diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi index dfe74328ae5dc..bda0a3a86ed5f 100644 --- a/arch/mips/boot/dts/ingenic/jz4770.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi @@ -399,7 +399,7 @@ gpu: gpu@13040000 { lcd: lcd-controller@13050000 { compatible = "ingenic,jz4770-lcd"; - reg = <0x13050000 0x300>; + reg = <0x13050000 0x130>; /* tbc */ interrupt-parent = <&intc>; interrupts = <31>; -- 2.33.0
next prev parent reply other threads:[~2021-11-30 21:27 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-30 21:26 [PATCH v10 0/8] MIPS: JZ4780 and CI20 HDMI H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 1/8] drm/ingenic: prepare ingenic drm for later addition of JZ4780 H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 2/8] drm/ingenic: Add support for JZ4780 and HDMI output H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 3/8] dt-bindings: display: Add ingenic,jz4780-dw-hdmi DT Schema H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 3/8] dt-bindings: display: Add ingenic, jz4780-dw-hdmi " H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 4/8] drm/ingenic: Add dw-hdmi driver for jz4780 H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-12-01 13:02 ` Paul Cercueil 2021-12-01 13:02 ` Paul Cercueil 2021-12-01 13:18 ` H. Nikolaus Schaller 2021-12-01 13:18 ` H. Nikolaus Schaller 2021-12-01 13:39 ` Mark Brown 2021-12-01 13:39 ` Mark Brown 2021-12-01 13:51 ` H. Nikolaus Schaller 2021-12-01 13:51 ` H. Nikolaus Schaller 2021-12-01 14:03 ` Paul Cercueil 2021-12-01 14:03 ` Paul Cercueil 2021-12-01 14:33 ` H. Nikolaus Schaller 2021-12-01 14:33 ` H. Nikolaus Schaller 2021-12-01 15:10 ` Mark Brown 2021-12-01 15:10 ` Mark Brown 2021-12-01 16:53 ` H. Nikolaus Schaller 2021-12-01 16:53 ` H. Nikolaus Schaller 2021-12-01 17:02 ` Mark Brown 2021-12-01 17:02 ` Mark Brown 2021-11-30 21:26 ` [PATCH v10 5/8] MIPS: DTS: jz4780: Account for Synopsys HDMI driver and LCD controllers H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 6/8] MIPS: DTS: CI20: Add DT nodes for HDMI setup H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-11-30 21:26 ` [PATCH v10 7/8] MIPS: defconfig: CI20: configure for DRM_DW_HDMI_JZ4780 H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller 2021-11-30 21:26 ` H. Nikolaus Schaller [this message] 2021-11-30 21:26 ` [PATCH v10 8/8] [RFC] MIPS: DTS: Ingenic: adjust register size to available registers H. Nikolaus Schaller
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