linux-kernel - [PATCH 5/5] irqchip: gicv3: add a iort_pmsi_get_dev

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Date:   Tue, 16 May 2023 22:05:08 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Arnd Bergmann <arnd@...db.de>, Hanjun Guo <guohanjun@...wei.com>,
        Joerg Roedel <jroedel@...e.de>,
        Robin Murphy <robin.murphy@....com>,
        Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] irqchip: gicv3: add a iort_pmsi_get_dev_id() prototype

From: Arnd Bergmann <arnd@...db.de>

iort_pmsi_get_dev_id() has a __weak definition in the driver, and
an override in arm64 specific code, but the declaration is conditional
and not always seen when the copy in the driver gets built:

drivers/irqchip/irq-gic-v3-its-platform-msi.c:41:12: error: no previous prototype for 'iort_pmsi_get_dev_id' [-Werror=missing-prototypes]

Move the existing declaration out of the #ifdef block to ensure
it can be seen in all configurations.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 include/linux/acpi_iort.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h
index b43be0987b19..6b70d02bc5f9 100644
--- a/include/linux/acpi_iort.h
+++ b/include/linux/acpi_iort.h
@@ -26,13 +26,14 @@ int iort_register_domain_token(int trans_id, phys_addr_t base,
 			       struct fwnode_handle *fw_node);
 void iort_deregister_domain_token(int trans_id);
 struct fwnode_handle *iort_find_domain_token(int trans_id);
+int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
+
 #ifdef CONFIG_ACPI_IORT
 void acpi_iort_init(void);
 u32 iort_msi_map_id(struct device *dev, u32 id);
 struct irq_domain *iort_get_device_domain(struct device *dev, u32 id,
 					  enum irq_domain_bus_token bus_token);
 void acpi_configure_pmsi_domain(struct device *dev);
-int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
 void iort_get_rmr_sids(struct fwnode_handle *iommu_fwnode,
 		       struct list_head *head);
 void iort_put_rmr_sids(struct fwnode_handle *iommu_fwnode,
-- 
2.39.2