From c3cb8e51839adc0aaef478c47665443d02f5aa07 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Beh=C3=BAn?= Date: Mon, 10 Jan 2022 02:50:01 +0100 Subject: [PATCH] PCI: aardvark: Make MSI irq_chip structures static driver structures MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit In [1] it was agreed that we should use struct irq_chip as a global static struct in the driver. Even though the structure currently contains a dynamic member (parent_device), In [2] the plans to kill it and make the structure completely static were set out. Convert Aardvark's priv->msi_bottom_irq_chip and priv->msi_irq_chip to static driver structure. [1] https://lore.kernel.org/linux-pci/877dbcvngf.wl-maz@kernel.org/ [2] https://lore.kernel.org/linux-pci/874k6gvkhz.wl-maz@kernel.org/ Link: https://lore.kernel.org/r/20220110015018.26359-7-kabel@kernel.org Signed-off-by: Marek Behún Signed-off-by: Lorenzo Pieralisi --- drivers/pci/controller/pci-aardvark.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c index 0fb3847bdc4e3..6128192a7cb7f 100644 --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -274,8 +274,6 @@ struct advk_pcie { raw_spinlock_t irq_lock; struct irq_domain *msi_domain; struct irq_domain *msi_inner_domain; - struct irq_chip msi_bottom_irq_chip; - struct irq_chip msi_irq_chip; struct msi_domain_info msi_domain_info; DECLARE_BITMAP(msi_used, MSI_IRQ_NUM); struct mutex msi_used_lock; @@ -1190,6 +1188,12 @@ static int advk_msi_set_affinity(struct irq_data *irq_data, return -EINVAL; } +static struct irq_chip advk_msi_bottom_irq_chip = { + .name = "MSI", + .irq_compose_msi_msg = advk_msi_irq_compose_msi_msg, + .irq_set_affinity = advk_msi_set_affinity, +}; + static int advk_msi_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *args) @@ -1206,7 +1210,7 @@ static int advk_msi_irq_domain_alloc(struct irq_domain *domain, for (i = 0; i < nr_irqs; i++) irq_domain_set_info(domain, virq + i, hwirq + i, - &pcie->msi_bottom_irq_chip, + &advk_msi_bottom_irq_chip, domain->host_data, handle_simple_irq, NULL, NULL); @@ -1276,29 +1280,23 @@ static const struct irq_domain_ops advk_pcie_irq_domain_ops = { .xlate = irq_domain_xlate_onecell, }; +static struct irq_chip advk_msi_irq_chip = { + .name = "advk-MSI", +}; + static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie) { struct device *dev = &pcie->pdev->dev; struct device_node *node = dev->of_node; - struct irq_chip *bottom_ic, *msi_ic; struct msi_domain_info *msi_di; phys_addr_t msi_msg_phys; mutex_init(&pcie->msi_used_lock); - bottom_ic = &pcie->msi_bottom_irq_chip; - - bottom_ic->name = "MSI"; - bottom_ic->irq_compose_msi_msg = advk_msi_irq_compose_msi_msg; - bottom_ic->irq_set_affinity = advk_msi_set_affinity; - - msi_ic = &pcie->msi_irq_chip; - msi_ic->name = "advk-MSI"; - msi_di = &pcie->msi_domain_info; msi_di->flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | MSI_FLAG_MULTI_PCI_MSI; - msi_di->chip = msi_ic; + msi_di->chip = &advk_msi_irq_chip; msi_msg_phys = virt_to_phys(&pcie->msi_msg); -- 2.30.2