target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch

   1 From c092ab8994f1f777054c0179a9deb40b87ee606f Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org>
   3 Date: Mon, 10 Jan 2022 00:10:46 +0100
   4 Subject: [PATCH] PCI: aardvark: Make msi_domain_info structure a static driver
   5  structure
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 Make Aardvark's msi_domain_info structure into a private driver structure.
  11 Domain info is same for every potential instatination of a controller.
  12
  13 Signed-off-by: Marek Behún <kabel@kernel.org>
  14 ---
  15  drivers/pci/controller/pci-aardvark.c | 16 ++++++++--------
  16  1 file changed, 8 insertions(+), 8 deletions(-)
  17
  18 --- a/drivers/pci/controller/pci-aardvark.c
  19 +++ b/drivers/pci/controller/pci-aardvark.c
  20 @@ -281,7 +281,6 @@ struct advk_pcie {
  21         raw_spinlock_t irq_lock;
  22         struct irq_domain *msi_domain;
  23         struct irq_domain *msi_inner_domain;
  24 -       struct msi_domain_info msi_domain_info;
  25         DECLARE_BITMAP(msi_used, MSI_IRQ_NUM);
  26         struct mutex msi_used_lock;
  27         u16 msi_msg;
  28 @@ -1293,20 +1292,20 @@ static struct irq_chip advk_msi_irq_chip
  29         .name = "advk-MSI",
  30  };
  31
  32 +static struct msi_domain_info advk_msi_domain_info = {
  33 +       .flags  = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
  34 +                 MSI_FLAG_MULTI_PCI_MSI,
  35 +       .chip   = &advk_msi_irq_chip,
  36 +};
  37 +
  38  static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie)
  39  {
  40         struct device *dev = &pcie->pdev->dev;
  41         struct device_node *node = dev->of_node;
  42 -       struct msi_domain_info *msi_di;
  43         phys_addr_t msi_msg_phys;
  44
  45         mutex_init(&pcie->msi_used_lock);
  46
  47 -       msi_di = &pcie->msi_domain_info;
  48 -       msi_di->flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
  49 -               MSI_FLAG_MULTI_PCI_MSI;
  50 -       msi_di->chip = &advk_msi_irq_chip;
  51 -
  52         msi_msg_phys = virt_to_phys(&pcie->msi_msg);
  53
  54         advk_writel(pcie, lower_32_bits(msi_msg_phys),
  55 @@ -1322,7 +1321,8 @@ static int advk_pcie_init_msi_irq_domain
  56
  57         pcie->msi_domain =
  58                 pci_msi_create_irq_domain(of_node_to_fwnode(node),
  59 -                                         msi_di, pcie->msi_inner_domain);
  60 +                                         &advk_msi_domain_info,
  61 +                                         pcie->msi_inner_domain);
  62         if (!pcie->msi_domain) {
  63                 irq_domain_remove(pcie->msi_inner_domain);
  64                 return -ENOMEM;