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Tue, 02 Sep 2025 07:43:53 -0700 (PDT) Received: from [127.0.1.1] ([2a01:e0a:e50:3860:5982:3242:38ad:8b12]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b7e8ab093sm209604635e9.22.2025.09.02.07.43.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Sep 2025 07:43:52 -0700 (PDT) From: Guillaume La Roque Date: Tue, 02 Sep 2025 16:43:49 +0200 Subject: [PATCH RESEND v2 1/2] genirq/msi: Export functions to support TI SCI INTA MSI module Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250902-timsi-v2-1-a5bf0f32905b@baylibre.com> References: <20250902-timsi-v2-0-a5bf0f32905b@baylibre.com> In-Reply-To: <20250902-timsi-v2-0-a5bf0f32905b@baylibre.com> To: Thomas Gleixner , vigneshr@ti.com, Nishanth Menon , Santosh Shilimkar , Tero Kristo Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Guillaume La Roque X-Mailer: b4 0.14.1 Export MSI domain management functions to allow the TI SCI INTA MSI driver to be compiled as a module. The following functions are now available for module use: - msi_domain_insert_msi_desc() - msi_domain_free_msi_descs_range() - msi_setup_device_data() - msi_create_irq_domain() - msi_domain_alloc_irqs_all_locked() Signed-off-by: Guillaume La Roque Reviewed-by: Dhruva Gole --- kernel/irq/msi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 9febe797a5f6..4af232b6796b 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -163,6 +163,7 @@ int msi_domain_insert_msi_desc(struct device *dev, unsi= gned int domid, =20 return msi_insert_desc(dev, desc, domid, init_desc->msi_index); } +EXPORT_SYMBOL_GPL(msi_domain_insert_msi_desc); =20 static bool msi_desc_match(struct msi_desc *desc, enum msi_desc_filter fil= ter) { @@ -235,6 +236,7 @@ void msi_domain_free_msi_descs_range(struct device *dev= , unsigned int domid, =20 msi_domain_free_descs(dev, &ctrl); } +EXPORT_SYMBOL_GPL(msi_domain_free_msi_descs_range); =20 /** * msi_domain_add_simple_msi_descs - Allocate and initialize MSI descripto= rs @@ -342,6 +344,7 @@ int msi_setup_device_data(struct device *dev) devres_add(dev, md); return 0; } +EXPORT_SYMBOL_GPL(msi_setup_device_data); =20 /** * __msi_lock_descs - Lock the MSI descriptor storage of a device @@ -910,6 +913,7 @@ struct irq_domain *msi_create_irq_domain(struct fwnode_= handle *fwnode, { return __msi_create_irq_domain(fwnode, info, 0, parent); } +EXPORT_SYMBOL_GPL(msi_create_irq_domain); =20 /** * msi_create_parent_irq_domain - Create an MSI-parent interrupt domain @@ -1472,6 +1476,7 @@ int msi_domain_alloc_irqs_all_locked(struct device *d= ev, unsigned int domid, int =20 return msi_domain_alloc_locked(dev, &ctrl); } +EXPORT_SYMBOL_GPL(msi_domain_alloc_irqs_all_locked); =20 static struct msi_map __msi_domain_alloc_irq_at(struct device *dev, unsign= ed int domid, unsigned int index, --=20 2.34.1 From nobody Fri Oct 3 10:15:30 2025 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 33AED3126B8 for ; 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Tue, 02 Sep 2025 07:43:54 -0700 (PDT) Received: from [127.0.1.1] ([2a01:e0a:e50:3860:5982:3242:38ad:8b12]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b7e8ab093sm209604635e9.22.2025.09.02.07.43.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Sep 2025 07:43:53 -0700 (PDT) From: Guillaume La Roque Date: Tue, 02 Sep 2025 16:43:50 +0200 Subject: [PATCH RESEND v2 2/2] soc: ti: ti_sci_inta_msi: Enable module compilation support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250902-timsi-v2-2-a5bf0f32905b@baylibre.com> References: <20250902-timsi-v2-0-a5bf0f32905b@baylibre.com> In-Reply-To: <20250902-timsi-v2-0-a5bf0f32905b@baylibre.com> To: Thomas Gleixner , vigneshr@ti.com, Nishanth Menon , Santosh Shilimkar , Tero Kristo Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Guillaume La Roque X-Mailer: b4 0.14.1 Add module support to the TI SCI INTA MSI driver: - Change Kconfig from bool to tristate to allow module compilation - Add linux/module.h include for module functionality - Add MODULE_LICENSE, MODULE_DESCRIPTION, and MODULE_AUTHOR macros This allows the driver to be compiled as a loadable kernel module named ti_sci_inta_msi. Signed-off-by: Guillaume La Roque --- drivers/soc/ti/Kconfig | 5 ++++- drivers/soc/ti/ti_sci_inta_msi.c | 5 +++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/soc/ti/Kconfig b/drivers/soc/ti/Kconfig index 1a93001c9e36..0a9eb5ac264b 100644 --- a/drivers/soc/ti/Kconfig +++ b/drivers/soc/ti/Kconfig @@ -85,7 +85,10 @@ config TI_PRUSS endif # SOC_TI =20 config TI_SCI_INTA_MSI_DOMAIN - bool + tristate "TI SCI INTA MSI Domain driver" select GENERIC_MSI_IRQ help Driver to enable Interrupt Aggregator specific MSI Domain. + + Say Y here to compile it into the kernel or M to compile it as a + module. The module will be called ti_sci_inta_msi. diff --git a/drivers/soc/ti/ti_sci_inta_msi.c b/drivers/soc/ti/ti_sci_inta_= msi.c index 193266f5e3f9..d92cab319d57 100644 --- a/drivers/soc/ti/ti_sci_inta_msi.c +++ b/drivers/soc/ti/ti_sci_inta_msi.c @@ -8,6 +8,7 @@ =20 #include #include +#include #include #include #include @@ -115,3 +116,7 @@ int ti_sci_inta_msi_domain_alloc_irqs(struct device *de= v, return ret; } EXPORT_SYMBOL_GPL(ti_sci_inta_msi_domain_alloc_irqs); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Texas Instruments K3 Interrupt Aggregator MSI bus"); +MODULE_AUTHOR("Lokesh Vutla "); --=20 2.34.1