The following commit has been merged into the irq/core branch of tip: Commit-ID: a80c0aceeaffdb3afe9536fe747480e85841da7f Gitweb: https://git.kernel.org/tip/a80c0aceeaffdb3afe9536fe747480e85841da7f Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Fri, 25 Nov 2022 00:25:52 +01:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Mon, 05 Dec 2022 19:21:01 +01:00 genirq/msi: Split msi_create_irq_domain() Split the functionality of msi_create_irq_domain() so it can be reused for creating per device irq domains. No functional change. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> Acked-by: Marc Zyngier <maz@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221124232325.559086358@xxxxxxxxxxxxx --- kernel/irq/msi.c | 32 ++++++++++++++++++++------------ 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 0a38905..0f7fe56 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -758,17 +758,10 @@ static void msi_domain_update_chip_ops(struct msi_domain_info *info) chip->irq_set_affinity = msi_domain_set_affinity; } -/** - * msi_create_irq_domain - Create an MSI interrupt domain - * @fwnode: Optional fwnode of the interrupt controller - * @info: MSI domain info - * @parent: Parent irq domain - * - * Return: pointer to the created &struct irq_domain or %NULL on failure - */ -struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode, - struct msi_domain_info *info, - struct irq_domain *parent) +static struct irq_domain *__msi_create_irq_domain(struct fwnode_handle *fwnode, + struct msi_domain_info *info, + unsigned int flags, + struct irq_domain *parent) { struct irq_domain *domain; @@ -787,7 +780,7 @@ struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode, if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS) msi_domain_update_chip_ops(info); - domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0, + domain = irq_domain_create_hierarchy(parent, flags | IRQ_DOMAIN_FLAG_MSI, 0, fwnode, &msi_domain_ops, info); if (domain) { @@ -800,6 +793,21 @@ struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode, } /** + * msi_create_irq_domain - Create an MSI interrupt domain + * @fwnode: Optional fwnode of the interrupt controller + * @info: MSI domain info + * @parent: Parent irq domain + * + * Return: pointer to the created &struct irq_domain or %NULL on failure + */ +struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode, + struct msi_domain_info *info, + struct irq_domain *parent) +{ + return __msi_create_irq_domain(fwnode, info, 0, parent); +} + +/** * msi_parent_init_dev_msi_info - Delegate initialization of device MSI info down * in the domain hierarchy * @dev: The device for which the domain should be created
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