From: Vinod Koul <vkoul@kernel.org>
To: "Angus Ainslie (Purism)" <angus@akkea.ca>
Cc: angus.ainslie@puri.sm, "Rob Herring" <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Dan Williams" <dan.j.williams@intel.com>,
"Lucas Stach" <l.stach@pengutronix.de>,
"Carlo Caione" <ccaione@baylibre.com>,
"Daniel Baluta" <daniel.baluta@nxp.com>,
"Guido Günther" <agx@sigxcpu.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org
Subject: [v2,2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1
Date: Fri, 26 Apr 2019 17:18:40 +0530 [thread overview]
Message-ID: <20190426114840.GV28103@vkoul-mobl> (raw)
On 29-03-19, 08:21, Angus Ainslie (Purism) wrote:
> On imx8mq B0 chip, AHB/SDMA clock ratio 2:1 can't be supported,
> since SDMA clock ratio has to be increased to 250Mhz, AHB can't reach
> to 500Mhz, so use 1:1 instead.
>
> To limit this change to the imx8mq for now this patch also adds an
> im8mq-sdma compatible string.
Applied, thanks
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: "Angus Ainslie (Purism)" <angus@akkea.ca>
Cc: angus.ainslie@puri.sm, "Rob Herring" <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Dan Williams" <dan.j.williams@intel.com>,
"Lucas Stach" <l.stach@pengutronix.de>,
"Carlo Caione" <ccaione@baylibre.com>,
"Daniel Baluta" <daniel.baluta@nxp.com>,
"Guido Günther" <agx@sigxcpu.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org
Subject: Re: [PATCH v2 2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1
Date: Fri, 26 Apr 2019 17:18:40 +0530 [thread overview]
Message-ID: <20190426114840.GV28103@vkoul-mobl> (raw)
Message-ID: <20190426114840.amApglJ1J26SENw3JQHoTVvvxlVzYD8N3lqsd2qCUqs@z> (raw)
In-Reply-To: <20190329152130.18411-3-angus@akkea.ca>
On 29-03-19, 08:21, Angus Ainslie (Purism) wrote:
> On imx8mq B0 chip, AHB/SDMA clock ratio 2:1 can't be supported,
> since SDMA clock ratio has to be increased to 250Mhz, AHB can't reach
> to 500Mhz, so use 1:1 instead.
>
> To limit this change to the imx8mq for now this patch also adds an
> im8mq-sdma compatible string.
Applied, thanks
--
~Vinod
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: "Angus Ainslie (Purism)" <angus@akkea.ca>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
devicetree@vger.kernel.org, "Carlo Caione" <ccaione@baylibre.com>,
"Fabio Estevam" <festevam@gmail.com>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
linux-kernel@vger.kernel.org,
"Daniel Baluta" <daniel.baluta@nxp.com>,
dmaengine@vger.kernel.org, "Rob Herring" <robh+dt@kernel.org>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
angus.ainslie@puri.sm, "Dan Williams" <dan.j.williams@intel.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Guido Günther" <agx@sigxcpu.org>,
linux-arm-kernel@lists.infradead.org,
"Lucas Stach" <l.stach@pengutronix.de>
Subject: Re: [PATCH v2 2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1
Date: Fri, 26 Apr 2019 17:18:40 +0530 [thread overview]
Message-ID: <20190426114840.GV28103@vkoul-mobl> (raw)
In-Reply-To: <20190329152130.18411-3-angus@akkea.ca>
On 29-03-19, 08:21, Angus Ainslie (Purism) wrote:
> On imx8mq B0 chip, AHB/SDMA clock ratio 2:1 can't be supported,
> since SDMA clock ratio has to be increased to 250Mhz, AHB can't reach
> to 500Mhz, so use 1:1 instead.
>
> To limit this change to the imx8mq for now this patch also adds an
> im8mq-sdma compatible string.
Applied, thanks
--
~Vinod
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next reply other threads:[~2019-04-26 11:48 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-26 11:48 Vinod Koul [this message]
2019-04-26 11:48 ` [PATCH v2 2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1 Vinod Koul
2019-04-26 11:48 ` Vinod Koul
-- strict thread matches above, loose matches on Subject: below --
2019-04-18 8:54 [v2,2/3] " Robin Gong
2019-04-18 8:54 ` [PATCH v2 2/3] " Robin Gong
2019-04-18 8:54 ` Robin Gong
2019-04-18 8:54 ` Robin Gong
2019-04-03 11:00 [v2,3/3] arm64: dts: imx8mq: Change ahb clock for imx8mq Shawn Guo
2019-04-03 11:00 ` [PATCH v2 3/3] " Shawn Guo
2019-04-03 11:00 ` Shawn Guo
2019-04-03 10:59 [v2,1/3] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma compatible string Shawn Guo
2019-04-03 10:59 ` [PATCH v2 1/3] " Shawn Guo
2019-04-03 10:59 ` Shawn Guo
2019-03-30 16:55 [v2,1/3] " Daniel Baluta
2019-03-30 17:01 ` [PATCH v2 1/3] " Daniel Baluta
2019-03-30 16:55 ` Daniel Baluta
2019-03-29 15:21 [v2,3/3] arm64: dts: imx8mq: Change ahb clock for imx8mq Angus Ainslie
2019-03-29 15:21 ` [PATCH v2 3/3] " Angus Ainslie (Purism)
2019-03-29 15:21 ` Angus Ainslie (Purism)
2019-03-29 15:21 [v2,2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1 Angus Ainslie
2019-03-29 15:21 ` [PATCH v2 2/3] " Angus Ainslie (Purism)
2019-03-29 15:21 ` Angus Ainslie (Purism)
2019-03-29 15:21 [v2,1/3] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma compatible string Angus Ainslie
2019-03-29 15:21 ` [PATCH v2 1/3] arm64: dts: imx8mq: Fix the fsl, imx8mq-sdma " Angus Ainslie (Purism)
2019-03-29 15:21 ` [PATCH v2 1/3] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma " Angus Ainslie (Purism)
2019-03-29 14:09 [1/4] " Angus Ainslie
2019-03-29 14:09 ` [PATCH 1/4] arm64: dts: imx8mq: Fix the fsl, imx8mq-sdma " Angus Ainslie
2019-03-29 14:09 ` [PATCH 1/4] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma " Angus Ainslie
2019-03-29 11:20 [1/4] " Daniel Baluta
2019-03-29 11:20 ` [PATCH 1/4] " Daniel Baluta
2019-03-29 11:20 ` Daniel Baluta
2019-03-29 11:20 ` Daniel Baluta
2019-03-29 9:10 [1/4] " Dong Aisheng
2019-03-29 9:10 ` [PATCH 1/4] " Aisheng Dong
2019-03-29 9:10 ` Aisheng Dong
2019-03-28 22:52 [2/4] dmaengine: imx-sdma: Add clock ratio 1:1 check Fabio Estevam
2019-03-28 22:52 ` [PATCH 2/4] " Fabio Estevam
2019-03-28 22:52 ` Fabio Estevam
2019-03-28 15:18 [3/4] dt-bindings: Document the new imx8mq-sdma compatible string Daniel Baluta
2019-03-28 15:18 ` [PATCH 3/4] " Daniel Baluta
2019-03-28 15:18 ` Daniel Baluta
2019-03-28 14:56 [1/4] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma " Daniel Baluta
2019-03-28 14:56 ` [PATCH 1/4] " Daniel Baluta
2019-03-28 14:56 ` Daniel Baluta
2019-03-28 14:56 ` Daniel Baluta
2019-03-28 13:38 [4/4] arm64: dts: imx8mq: Change ahb clock for imx8mq Angus Ainslie
2019-03-28 13:38 ` [PATCH 4/4] " Angus Ainslie (Purism)
2019-03-28 13:38 ` Angus Ainslie (Purism)
2019-03-28 13:38 [3/4] dt-bindings: Document the new imx8mq-sdma compatible string Angus Ainslie
2019-03-28 13:38 ` [PATCH 3/4] " Angus Ainslie (Purism)
2019-03-28 13:38 ` Angus Ainslie (Purism)
2019-03-28 13:38 [2/4] dmaengine: imx-sdma: Add clock ratio 1:1 check Angus Ainslie
2019-03-28 13:38 ` [PATCH 2/4] " Angus Ainslie (Purism)
2019-03-28 13:38 ` Angus Ainslie (Purism)
2019-03-28 13:38 [1/4] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma compatible string Angus Ainslie
2019-03-28 13:38 ` [PATCH 1/4] arm64: dts: imx8mq: Fix the fsl, imx8mq-sdma " Angus Ainslie (Purism)
2019-03-28 13:38 ` [PATCH 1/4] arm64: dts: imx8mq: Fix the fsl,imx8mq-sdma " Angus Ainslie (Purism)
2019-03-28 13:38 [PATCH 0/4] Fix imx8mq ratio 1:1 check Angus Ainslie (Purism)
2019-03-28 13:38 ` Angus Ainslie (Purism)
2019-03-29 15:21 ` [PATCH v2 0/3] " Angus Ainslie (Purism)
2019-03-29 15:21 ` Angus Ainslie (Purism)
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