From: Shawn Guo <shawnguo@kernel.org>
To: Anson Huang <anson.huang@nxp.com>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
"festevam@gmail.com" <festevam@gmail.com>,
"a.zummo@towertech.it" <a.zummo@towertech.it>,
"alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
Aisheng Dong <aisheng.dong@nxp.com>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"sboyd@kernel.org" <sboyd@kernel.org>,
Peng Fan <peng.fan@nxp.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-rtc@vger.kernel.org" <linux-rtc@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>
Subject: Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function
Date: Thu, 11 Apr 2019 15:32:53 +0800 [thread overview]
Message-ID: <20190411073252.GC3050@dragon> (raw)
In-Reply-To: <1554785675-8090-2-git-send-email-Anson.Huang@nxp.com>
On Tue, Apr 09, 2019 at 04:59:55AM +0000, Anson Huang wrote:
> The System Controller Firmware (SCFW) controls RTC, thermal
> and WDOG etc., these resources' interrupt function are managed
> by SCU. When any IRQ pending, SCU will notify Linux via MU general
> interrupt channel #3, and Linux kernel needs to call SCU APIs
> to get IRQ status and notify each module to handle the interrupt.
>
> Since there is no data transmission for SCU IRQ notification, so
> doorbell mode is used for this MU channel, and SCU driver will
> use notifier mechanism to broadcast to every module which registers
> the SCU block notifier.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Applied, thanks.
WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Anson Huang <anson.huang@nxp.com>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
"a.zummo@towertech.it" <a.zummo@towertech.it>,
"alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"sboyd@kernel.org" <sboyd@kernel.org>,
Daniel Baluta <daniel.baluta@nxp.com>,
"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
dl-linux-imx <linux-imx@nxp.com>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
Peng Fan <peng.fan@nxp.com>,
"festevam@gmail.com" <festevam@gmail.com>,
Aisheng Dong <aisheng.dong@nxp.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-rtc@vger.kernel.org" <linux-rtc@vger.kernel.org>
Subject: Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function
Date: Thu, 11 Apr 2019 15:32:53 +0800 [thread overview]
Message-ID: <20190411073252.GC3050@dragon> (raw)
In-Reply-To: <1554785675-8090-2-git-send-email-Anson.Huang@nxp.com>
On Tue, Apr 09, 2019 at 04:59:55AM +0000, Anson Huang wrote:
> The System Controller Firmware (SCFW) controls RTC, thermal
> and WDOG etc., these resources' interrupt function are managed
> by SCU. When any IRQ pending, SCU will notify Linux via MU general
> interrupt channel #3, and Linux kernel needs to call SCU APIs
> to get IRQ status and notify each module to handle the interrupt.
>
> Since there is no data transmission for SCU IRQ notification, so
> doorbell mode is used for this MU channel, and SCU driver will
> use notifier mechanism to broadcast to every module which registers
> the SCU block notifier.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Applied, thanks.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Anson Huang <anson.huang@nxp.com>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
"festevam@gmail.com" <festevam@gmail.com>,
"a.zummo@towertech.it" <a.zummo@towertech.it>,
"alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
Aisheng Dong <aisheng.dong@nxp.com>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"sboyd@kernel.org" <sboyd@kernel.org>,
Peng Fan <peng.fan@nxp.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>"linux-rtc@vger.kernel.org"
<linux>
Subject: Re: [PATCH V7 2/4] firmware: imx: enable imx scu general irq function
Date: Thu, 11 Apr 2019 15:32:53 +0800 [thread overview]
Message-ID: <20190411073252.GC3050@dragon> (raw)
In-Reply-To: <1554785675-8090-2-git-send-email-Anson.Huang@nxp.com>
On Tue, Apr 09, 2019 at 04:59:55AM +0000, Anson Huang wrote:
> The System Controller Firmware (SCFW) controls RTC, thermal
> and WDOG etc., these resources' interrupt function are managed
> by SCU. When any IRQ pending, SCU will notify Linux via MU general
> interrupt channel #3, and Linux kernel needs to call SCU APIs
> to get IRQ status and notify each module to handle the interrupt.
>
> Since there is no data transmission for SCU IRQ notification, so
> doorbell mode is used for this MU channel, and SCU driver will
> use notifier mechanism to broadcast to every module which registers
> the SCU block notifier.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Applied, thanks.
next prev parent reply other threads:[~2019-04-11 7:33 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-09 4:59 [PATCH V7 1/4] dt-bindings: fsl: scu: add general interrupt support Anson Huang
2019-04-09 4:59 ` Anson Huang
2019-04-09 4:59 ` [PATCH V7 2/4] firmware: imx: enable imx scu general irq function Anson Huang
2019-04-09 4:59 ` Anson Huang
2019-04-09 4:59 ` Anson Huang
2019-04-11 7:32 ` Shawn Guo [this message]
2019-04-11 7:32 ` Shawn Guo
2019-04-11 7:32 ` Shawn Guo
2019-04-12 1:05 ` [EXT] " Anson Huang
2019-04-12 1:05 ` Anson Huang
2019-04-12 1:05 ` Anson Huang
2019-04-12 2:25 ` Aisheng Dong
2019-04-12 2:25 ` Aisheng Dong
2019-04-12 2:25 ` Aisheng Dong
2019-04-12 2:32 ` Anson Huang
2019-04-12 2:32 ` Anson Huang
2019-04-12 2:32 ` Anson Huang
2019-04-12 8:41 ` Alexandre Belloni
2019-04-12 8:41 ` Alexandre Belloni
2019-04-12 8:41 ` Alexandre Belloni
2019-04-15 9:23 ` Shawn Guo
2019-04-15 9:23 ` Shawn Guo
2019-04-15 9:23 ` Shawn Guo
2019-04-09 5:00 ` [PATCH V7 3/4] arm64: dts: freescale: imx8qxp: enable scu general irq channel Anson Huang
2019-04-09 5:00 ` Anson Huang
2019-04-09 5:00 ` Anson Huang
2019-04-11 7:34 ` Shawn Guo
2019-04-11 7:34 ` Shawn Guo
2019-04-11 7:34 ` Shawn Guo
2019-04-09 5:00 ` [PATCH V7 4/4] rtc: imx-sc: add rtc alarm support Anson Huang
2019-04-09 5:00 ` Anson Huang
2019-04-09 5:00 ` Anson Huang
2019-04-12 8:41 ` Alexandre Belloni
2019-04-12 8:41 ` Alexandre Belloni
2019-04-12 8:41 ` Alexandre Belloni
2019-06-01 21:18 ` Alexandre Belloni
2019-06-01 21:18 ` Alexandre Belloni
2019-06-01 21:18 ` Alexandre Belloni
2019-04-11 1:37 ` [PATCH V7 1/4] dt-bindings: fsl: scu: add general interrupt support Anson Huang
2019-04-11 1:37 ` Anson Huang
2019-04-11 1:37 ` Anson Huang
2019-04-11 7:32 ` Shawn Guo
2019-04-11 7:32 ` Shawn Guo
2019-04-11 7:32 ` Shawn Guo
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