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Sun, 11 May 2025 06:42:54 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([122.171.17.86]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22fc754785bsm46665805ad.20.2025.05.11.06.42.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 May 2025 06:42:54 -0700 (PDT) From: Anup Patel To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar , Thomas Gleixner , "Rafael J . Wysocki" , Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Subject: [PATCH v3 20/23] mailbox/riscv-sbi-mpxy: Add ACPI support Date: Sun, 11 May 2025 19:09:36 +0530 Message-ID: <20250511133939.801777-21-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250511133939.801777-1-apatel@ventanamicro.com> References: <20250511133939.801777-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250511_144259_060369_4DBF2799 X-CRM114-Status: GOOD ( 17.44 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , devicetree@vger.kernel.org, Andrew Jones , Atish Patra , Leyfoon Tan , Anup Patel , linux-kernel@vger.kernel.org, Samuel Holland , Palmer Dabbelt , Paul Walmsley , linux-riscv@lists.infradead.org, Len Brown , linux-clk@vger.kernel.org, Rahul Pathak Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Sunil V L Add ACPI support for the RISC-V SBI message proxy (MPXY) based mailbox driver. Signed-off-by: Sunil V L Signed-off-by: Anup Patel --- drivers/mailbox/riscv-sbi-mpxy-mbox.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/mailbox/riscv-sbi-mpxy-mbox.c b/drivers/mailbox/riscv-sbi-mpxy-mbox.c index 240df2f9d5c2..eae84b26d628 100644 --- a/drivers/mailbox/riscv-sbi-mpxy-mbox.c +++ b/drivers/mailbox/riscv-sbi-mpxy-mbox.c @@ -6,9 +6,11 @@ */ #include +#include #include #include #include +#include #include #include #include @@ -775,6 +777,7 @@ static int mpxy_mbox_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mpxy_mbox_channel *mchan; + struct irq_domain *msi_domain; struct mpxy_mbox *mbox; int i, msi_idx, rc; u32 *channel_ids; @@ -907,8 +910,13 @@ static int mpxy_mbox_probe(struct platform_device *pdev) * then we need to set it explicitly before using any platform * MSI functions. */ - if (is_of_node(dev_fwnode(dev))) + if (is_of_node(dev_fwnode(dev))) { of_msi_configure(dev, to_of_node(dev_fwnode(dev))); + } else { + msi_domain = irq_find_matching_fwnode(imsic_acpi_get_fwnode(dev), + DOMAIN_BUS_PLATFORM_MSI); + dev_set_msi_domain(dev, msi_domain); + } } /* Setup MSIs for mailbox (if required) */ @@ -953,6 +961,11 @@ static int mpxy_mbox_probe(struct platform_device *pdev) return rc; } +#ifdef CONFIG_ACPI + if (!acpi_disabled) + acpi_dev_clear_dependencies(ACPI_COMPANION(dev)); +#endif + dev_info(dev, "mailbox registered with %d channels\n", mbox->channel_count); return 0; @@ -972,10 +985,17 @@ static const struct of_device_id mpxy_mbox_of_match[] = { }; MODULE_DEVICE_TABLE(of, mpxy_mbox_of_match); +static const struct acpi_device_id mpxy_mbox_acpi_match[] = { + { "RSCV0005" }, + {} +}; +MODULE_DEVICE_TABLE(acpi, mpxy_mbox_acpi_match); + static struct platform_driver mpxy_mbox_driver = { .driver = { .name = "riscv-sbi-mpxy-mbox", .of_match_table = mpxy_mbox_of_match, + .acpi_match_table = mpxy_mbox_acpi_match, }, .probe = mpxy_mbox_probe, .remove = mpxy_mbox_remove, -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv