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SubjectRe: [PATCH 5/5] irqchip: gicv3: add a iort_pmsi_get_dev_id() prototype
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On 2023/5/17 4:05, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.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@arndb.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,

Reviewed-by: Hanjun Guo <guohanjun@huawei.com>

Thanks
Hanjun

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