From: Miquel Raynal <miquel.raynal@bootlin.com> To: Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net>, Marc Zyngier <marc.zyngier@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Andrew Lunn <andrew@lunn.ch>, Gregory Clement <gregory.clement@bootlin.com>, Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org, Haim Boot <hayim@marvell.com>, Antoine Tenart <antoine.tenart@bootlin.com>, Hanna Hawa <hannah@marvell.com>, Maxime Chevallier <maxime.chevallier@bootlin.com>, Nadav Haklai <nadavh@marvell.com>, Rob Herring <robh+dt@kernel.org>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Miquel Raynal <miquel.raynal@bootlin.com>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 08/17] irqchip/irq-mvebu-icu: disociate ICU and NSR Date: Fri, 22 Jun 2018 17:14:23 +0200 [thread overview] Message-ID: <20180622151432.1566-9-miquel.raynal@bootlin.com> (raw) In-Reply-To: <20180622151432.1566-1-miquel.raynal@bootlin.com> NSR (non-secure interrupts) are handled in the ICU driver like if there was only this type of interrupt in the ICU. Change this behavior to prepare the introduction of SEI (System Error Interrupts) support by moving the NSR code in a separate function. This is done under the form of a 'probe' function to ease future migration to NSR/SEI being platform devices part of the ICU. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> --- drivers/irqchip/irq-mvebu-icu.c | 58 +++++++++++++++++++++++------------------ 1 file changed, 33 insertions(+), 25 deletions(-) diff --git a/drivers/irqchip/irq-mvebu-icu.c b/drivers/irqchip/irq-mvebu-icu.c index 607948870a14..24d45186eb6b 100644 --- a/drivers/irqchip/irq-mvebu-icu.c +++ b/drivers/irqchip/irq-mvebu-icu.c @@ -205,6 +205,37 @@ static const struct irq_domain_ops mvebu_icu_domain_ops = { .free = mvebu_icu_irq_domain_free, }; +static int mvebu_icu_subset_probe(struct platform_device *pdev) +{ + struct device_node *msi_parent_dn; + struct irq_domain *irq_domain; + struct mvebu_icu *icu; + + icu = dev_get_drvdata(&pdev->dev); + if (!icu) + return -ENODEV; + + pdev->dev.msi_domain = of_msi_get_domain(&pdev->dev, pdev->dev.of_node, + DOMAIN_BUS_PLATFORM_MSI); + if (!pdev->dev.msi_domain) + return -EPROBE_DEFER; + + msi_parent_dn = irq_domain_get_of_node(pdev->dev.msi_domain); + if (!msi_parent_dn) + return -ENODEV; + + irq_domain = platform_msi_create_device_domain(&pdev->dev, ICU_MAX_IRQS, + mvebu_icu_write_msg, + &mvebu_icu_domain_ops, + icu); + if (!irq_domain) { + dev_err(&pdev->dev, "Failed to create ICU MSI domain\n"); + return -ENOMEM; + } + + return 0; +} + static struct regmap_config mvebu_icu_regmap_config = { .reg_bits = 32, .val_bits = 32, @@ -215,9 +246,6 @@ static struct regmap_config mvebu_icu_regmap_config = { static int mvebu_icu_probe(struct platform_device *pdev) { struct mvebu_icu *icu; - struct device_node *node = pdev->dev.of_node; - struct device_node *gicp_dn; - struct irq_domain *irq_domain; struct resource *res; void __iomem *regs; int i; @@ -255,19 +283,6 @@ static int mvebu_icu_probe(struct platform_device *pdev) icu->irq_chip.irq_set_affinity = irq_chip_set_affinity_parent; #endif - /* - * We're probed after MSI domains have been resolved, so force - * resolution here. - */ - pdev->dev.msi_domain = of_msi_get_domain(&pdev->dev, node, - DOMAIN_BUS_PLATFORM_MSI); - if (!pdev->dev.msi_domain) - return -EPROBE_DEFER; - - gicp_dn = irq_domain_get_of_node(pdev->dev.msi_domain); - if (!gicp_dn) - return -ENODEV; - /* * Clean all ICU interrupts with type SPI_NSR, required to * avoid unpredictable SPI assignments done by firmware. @@ -282,16 +297,9 @@ static int mvebu_icu_probe(struct platform_device *pdev) regmap_write(icu->regmap, ICU_INT_CFG(i), 0); } - irq_domain = - platform_msi_create_device_domain(&pdev->dev, ICU_MAX_IRQS, - mvebu_icu_write_msg, - &mvebu_icu_domain_ops, icu); - if (!irq_domain) { - dev_err(&pdev->dev, "Failed to create ICU domain\n"); - return -ENOMEM; - } + platform_set_drvdata(pdev, icu); - return 0; + return mvebu_icu_subset_probe(pdev); } static const struct of_device_id mvebu_icu_of_match[] = { -- 2.14.1
WARNING: multiple messages have this Message-ID (diff)
From: miquel.raynal@bootlin.com (Miquel Raynal) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 08/17] irqchip/irq-mvebu-icu: disociate ICU and NSR Date: Fri, 22 Jun 2018 17:14:23 +0200 [thread overview] Message-ID: <20180622151432.1566-9-miquel.raynal@bootlin.com> (raw) In-Reply-To: <20180622151432.1566-1-miquel.raynal@bootlin.com> NSR (non-secure interrupts) are handled in the ICU driver like if there was only this type of interrupt in the ICU. Change this behavior to prepare the introduction of SEI (System Error Interrupts) support by moving the NSR code in a separate function. This is done under the form of a 'probe' function to ease future migration to NSR/SEI being platform devices part of the ICU. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> --- drivers/irqchip/irq-mvebu-icu.c | 58 +++++++++++++++++++++++------------------ 1 file changed, 33 insertions(+), 25 deletions(-) diff --git a/drivers/irqchip/irq-mvebu-icu.c b/drivers/irqchip/irq-mvebu-icu.c index 607948870a14..24d45186eb6b 100644 --- a/drivers/irqchip/irq-mvebu-icu.c +++ b/drivers/irqchip/irq-mvebu-icu.c @@ -205,6 +205,37 @@ static const struct irq_domain_ops mvebu_icu_domain_ops = { .free = mvebu_icu_irq_domain_free, }; +static int mvebu_icu_subset_probe(struct platform_device *pdev) +{ + struct device_node *msi_parent_dn; + struct irq_domain *irq_domain; + struct mvebu_icu *icu; + + icu = dev_get_drvdata(&pdev->dev); + if (!icu) + return -ENODEV; + + pdev->dev.msi_domain = of_msi_get_domain(&pdev->dev, pdev->dev.of_node, + DOMAIN_BUS_PLATFORM_MSI); + if (!pdev->dev.msi_domain) + return -EPROBE_DEFER; + + msi_parent_dn = irq_domain_get_of_node(pdev->dev.msi_domain); + if (!msi_parent_dn) + return -ENODEV; + + irq_domain = platform_msi_create_device_domain(&pdev->dev, ICU_MAX_IRQS, + mvebu_icu_write_msg, + &mvebu_icu_domain_ops, + icu); + if (!irq_domain) { + dev_err(&pdev->dev, "Failed to create ICU MSI domain\n"); + return -ENOMEM; + } + + return 0; +} + static struct regmap_config mvebu_icu_regmap_config = { .reg_bits = 32, .val_bits = 32, @@ -215,9 +246,6 @@ static struct regmap_config mvebu_icu_regmap_config = { static int mvebu_icu_probe(struct platform_device *pdev) { struct mvebu_icu *icu; - struct device_node *node = pdev->dev.of_node; - struct device_node *gicp_dn; - struct irq_domain *irq_domain; struct resource *res; void __iomem *regs; int i; @@ -255,19 +283,6 @@ static int mvebu_icu_probe(struct platform_device *pdev) icu->irq_chip.irq_set_affinity = irq_chip_set_affinity_parent; #endif - /* - * We're probed after MSI domains have been resolved, so force - * resolution here. - */ - pdev->dev.msi_domain = of_msi_get_domain(&pdev->dev, node, - DOMAIN_BUS_PLATFORM_MSI); - if (!pdev->dev.msi_domain) - return -EPROBE_DEFER; - - gicp_dn = irq_domain_get_of_node(pdev->dev.msi_domain); - if (!gicp_dn) - return -ENODEV; - /* * Clean all ICU interrupts with type SPI_NSR, required to * avoid unpredictable SPI assignments done by firmware. @@ -282,16 +297,9 @@ static int mvebu_icu_probe(struct platform_device *pdev) regmap_write(icu->regmap, ICU_INT_CFG(i), 0); } - irq_domain = - platform_msi_create_device_domain(&pdev->dev, ICU_MAX_IRQS, - mvebu_icu_write_msg, - &mvebu_icu_domain_ops, icu); - if (!irq_domain) { - dev_err(&pdev->dev, "Failed to create ICU domain\n"); - return -ENOMEM; - } + platform_set_drvdata(pdev, icu); - return 0; + return mvebu_icu_subset_probe(pdev); } static const struct of_device_id mvebu_icu_of_match[] = { -- 2.14.1
next prev parent reply other threads:[~2018-06-22 15:14 UTC|newest] Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-22 15:14 [PATCH v3 00/17] Add System Error Interrupt support to Armada SoCs Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 01/17] platform-msi: allow creation of MSI domain without interrupt number Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-28 11:12 ` Marc Zyngier 2018-06-28 11:12 ` Marc Zyngier 2018-06-29 7:40 ` Miquel Raynal 2018-06-29 7:40 ` Miquel Raynal 2018-06-29 14:38 ` Marc Zyngier 2018-06-29 14:38 ` Marc Zyngier 2018-06-29 14:43 ` Miquel Raynal 2018-06-29 14:43 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 02/17] dt-bindings/interrupt-controller: fix Marvell ICU length in the example Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 03/17] arm64: dts: marvell: fix CP110 ICU node size Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-25 15:05 ` Gregory CLEMENT 2018-06-25 15:05 ` Gregory CLEMENT 2018-06-25 15:09 ` Miquel Raynal 2018-06-25 15:09 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 04/17] irqchip/irq-mvebu-icu: fix wrong private data retrieval Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 05/17] irqchip/irq-mvebu-icu: clarify the reset operation of configured interrupts Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 06/17] irqchip/irq-mvebu-icu: switch to regmap Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-28 12:05 ` Marc Zyngier 2018-06-28 12:05 ` Marc Zyngier 2018-06-29 15:27 ` Miquel Raynal 2018-06-29 15:27 ` Miquel Raynal 2018-06-29 17:17 ` Marc Zyngier 2018-06-29 17:17 ` Marc Zyngier 2018-06-29 18:20 ` Miquel Raynal 2018-06-29 18:20 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 07/17] irqchip/irq-mvebu-icu: make irq_domain local Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-28 12:10 ` Marc Zyngier 2018-06-28 12:10 ` Marc Zyngier 2018-06-29 12:32 ` Miquel Raynal 2018-06-29 12:32 ` Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal [this message] 2018-06-22 15:14 ` [PATCH v3 08/17] irqchip/irq-mvebu-icu: disociate ICU and NSR Miquel Raynal 2018-06-28 12:24 ` Marc Zyngier 2018-06-28 12:24 ` Marc Zyngier 2018-06-29 12:30 ` Miquel Raynal 2018-06-29 12:30 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 09/17] irqchip/irq-mvebu-icu: support ICU subnodes Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-28 12:45 ` Marc Zyngier 2018-06-28 12:45 ` Marc Zyngier 2018-06-29 12:34 ` Miquel Raynal 2018-06-29 12:34 ` Miquel Raynal 2018-07-04 9:09 ` Miquel Raynal 2018-07-04 9:09 ` Miquel Raynal 2018-07-04 12:43 ` Marc Zyngier 2018-07-04 12:43 ` Marc Zyngier 2018-07-04 15:16 ` Miquel Raynal 2018-07-04 15:16 ` Miquel Raynal 2018-07-05 8:19 ` Marc Zyngier 2018-07-05 8:19 ` Marc Zyngier 2018-06-22 15:14 ` [PATCH v3 10/17] irqchip/irq-mvebu-sei: add new driver for Marvell SEI Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-28 14:54 ` Marc Zyngier 2018-06-28 14:54 ` Marc Zyngier 2018-06-29 12:41 ` Miquel Raynal 2018-06-29 12:41 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 11/17] arm64: marvell: enable SEI driver Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 12/17] irqchip/irq-mvebu-icu: add support for System Error Interrupts (SEI) Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-28 16:49 ` Marc Zyngier 2018-06-28 16:49 ` Marc Zyngier 2018-06-28 17:12 ` Miquel Raynal 2018-06-28 17:12 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 13/17] dt-bindings/interrupt-controller: update Marvell ICU bindings Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 14/17] dt-bindings/interrupt-controller: add documentation for Marvell SEI controller Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 15/17] arm64: dts: marvell: add AP806 SEI subnode Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 16/17] arm64: dts: marvell: use new bindings for CP110 interrupts Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal 2018-06-22 15:14 ` [PATCH v3 17/17] arm64: dts: marvell: add CP110 ICU SEI subnode Miquel Raynal 2018-06-22 15:14 ` Miquel Raynal
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