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From: "Duje Mihanović" <duje.mihanovic@skole.hr>
To: Conor Dooley <conor@kernel.org>
Cc: "Conor Dooley" <conor+dt@kernel.org>,
	"Lubomir Rintel" <lkundrak@v3.sk>,
	"Robert Jarzmik" <robert.jarzmik@free.fr>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <brgl@bgdev.pl>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Will Deacon" <will@kernel.org>,
	"Kees Cook" <keescook@chromium.org>,
	"Tony Luck" <tony.luck@intel.com>,
	"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-hardening@vger.kernel.org,
	~postmarketos/upstreaming@lists.sr.ht,
	phone-devel@vger.kernel.org, afaerber@suse.de,
	"Duje Mihanović" <duje.mihanovic@skole.hr>
Subject: Re: [PATCH v4 3/8] dt-bindings: clock: Add Marvell PXA1908 clock bindings
Date: Tue, 08 Aug 2023 13:03:33 +0200	[thread overview]
Message-ID: <10320606.nUPlyArG6x@radijator> (raw)
In-Reply-To: <20230808-quizzical-footwork-4846d6461f74@spud>

On Tuesday, August 8, 2023 12:46:23 PM CEST Conor Dooley wrote:
> On Tue, Aug 08, 2023 at 12:41:22PM +0200, Duje Mihanović wrote:
> > They are used by the clock driver when calling mmp_clk_init which then 
uses
> > that as the size of a struct clk array it allocates. In retrospect, 50 for
> > each block may be too much as from what I can tell by reading the
> > mmp_register_* functions (number of clocks + 1) for each block should be
> > enough, anything less than that causes a null pointer dereference sometime
> > during clock initialization.
> 
> I think you might have misread my question, I'm not really interested in
> the implementation detail of the driver. If these are not used in
> devicetree, remove them - otherwise they are being needlessly added to
> the ABI.

Should I also do this in the rest of the MMP clock drivers?

Regards,
Duje




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WARNING: multiple messages have this Message-ID (diff)
From: "Duje Mihanović" <duje.mihanovic@skole.hr>
To: Conor Dooley <conor@kernel.org>
Cc: "Conor Dooley" <conor+dt@kernel.org>,
	"Lubomir Rintel" <lkundrak@v3.sk>,
	"Robert Jarzmik" <robert.jarzmik@free.fr>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <brgl@bgdev.pl>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Will Deacon" <will@kernel.org>,
	"Kees Cook" <keescook@chromium.org>,
	"Tony Luck" <tony.luck@intel.com>,
	"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-hardening@vger.kernel.org,
	~postmarketos/upstreaming@lists.sr.ht,
	phone-devel@vger.kernel.org, afaerber@suse.de,
	"Duje Mihanović" <duje.mihanovic@skole.hr>
Subject: Re: [PATCH v4 3/8] dt-bindings: clock: Add Marvell PXA1908 clock bindings
Date: Tue, 08 Aug 2023 13:03:33 +0200	[thread overview]
Message-ID: <10320606.nUPlyArG6x@radijator> (raw)
In-Reply-To: <20230808-quizzical-footwork-4846d6461f74@spud>

On Tuesday, August 8, 2023 12:46:23 PM CEST Conor Dooley wrote:
> On Tue, Aug 08, 2023 at 12:41:22PM +0200, Duje Mihanović wrote:
> > They are used by the clock driver when calling mmp_clk_init which then 
uses
> > that as the size of a struct clk array it allocates. In retrospect, 50 for
> > each block may be too much as from what I can tell by reading the
> > mmp_register_* functions (number of clocks + 1) for each block should be
> > enough, anything less than that causes a null pointer dereference sometime
> > during clock initialization.
> 
> I think you might have misread my question, I'm not really interested in
> the implementation detail of the driver. If these are not used in
> devicetree, remove them - otherwise they are being needlessly added to
> the ABI.

Should I also do this in the rest of the MMP clock drivers?

Regards,
Duje




  reply	other threads:[~2023-08-08 11:05 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-07 15:42 [PATCH v4 0/8] Initial Marvell PXA1908 support Duje Mihanović
2023-08-07 15:42 ` Duje Mihanović
2023-08-07 15:42 ` [PATCH v4 1/8] gpio: pxa: disable pinctrl calls for MMP_GPIO Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-07 15:42 ` [PATCH v4 2/8] clk: mmp: Switch to use struct u32_fract instead of custom one Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-07 15:42 ` [PATCH v4 3/8] dt-bindings: clock: Add Marvell PXA1908 clock bindings Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-08  7:49   ` Conor Dooley
2023-08-08  7:49     ` Conor Dooley
2023-08-08 10:41     ` Duje Mihanović
2023-08-08 10:41       ` Duje Mihanović
2023-08-08 10:46       ` Conor Dooley
2023-08-08 10:46         ` Conor Dooley
2023-08-08 11:03         ` Duje Mihanović [this message]
2023-08-08 11:03           ` Duje Mihanović
2023-08-08 11:23           ` Conor Dooley
2023-08-08 11:23             ` Conor Dooley
2023-08-07 15:42 ` [PATCH v4 4/8] clk: mmp: Add Marvell PXA1908 clock driver Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-07 15:42 ` [PATCH v4 5/8] dt-bindings: marvell: Document PXA1908 SoC Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-07 15:42 ` [PATCH v4 6/8] arm64: Kconfig.platforms: Add config for Marvell PXA1908 platform Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-07 15:42 ` [PATCH v4 7/8] arm64: dts: Add DTS for Marvell PXA1908 and samsung,coreprimevelte Duje Mihanović
2023-08-07 15:42   ` Duje Mihanović
2023-08-07 21:02 ` [PATCH v4 0/8] Initial Marvell PXA1908 support Duje Mihanović
2023-08-07 21:02   ` Duje Mihanović
2023-08-08  5:58   ` Krzysztof Kozlowski
2023-08-08  5:58     ` Krzysztof Kozlowski
2023-08-08 10:13 ` [PATCH v4 8/8] MAINTAINERS: add myself as Marvell PXA1908 maintainer Duje Mihanović
2023-08-08 10:13   ` Duje Mihanović

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