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Subject[RFC PATCH 14/20] Powerpc/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
Date
Introduce a new struct msi_chip ppc_msi_chip instead of weak arch
functions to configure MSI/MSI-X.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
arch/powerpc/kernel/msi.c | 23 +++++++++++++++++------
1 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c
index 8bbc12d..170b02c 100644
--- a/arch/powerpc/kernel/msi.c
+++ b/arch/powerpc/kernel/msi.c
@@ -13,7 +13,7 @@

#include <asm/machdep.h>

-int arch_msi_check_device(struct pci_dev* dev, int nvec, int type)
+int ppc_msi_check_device(struct device *dev, int nvec, int type)
{
if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) {
pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
@@ -26,18 +26,29 @@ int arch_msi_check_device(struct pci_dev* dev, int nvec, int type)

if (ppc_md.msi_check_device) {
pr_debug("msi: Using platform check routine.\n");
- return ppc_md.msi_check_device(dev, nvec, type);
+ return ppc_md.msi_check_device(to_pci_dev(dev), nvec, type);
}

return 0;
}

-int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
+int ppc_setup_msi_irqs(struct device *dev, int nvec, int type)
{
- return ppc_md.setup_msi_irqs(dev, nvec, type);
+ return ppc_md.setup_msi_irqs(to_pci_dev(dev), nvec, type);
}

-void arch_teardown_msi_irqs(struct pci_dev *dev)
+void ppc_teardown_msi_irqs(struct device *dev)
{
- ppc_md.teardown_msi_irqs(dev);
+ ppc_md.teardown_msi_irqs(to_pci_dev(dev));
+}
+
+struct msi_chip ppc_msi_chip = {
+ .setup_irqs = ppc_setup_msi_irqs,
+ .teardown_irqs = ppc_teardown_msi_irqs,
+ .check_device = ppc_msi_check_device,
+};
+
+struct msi_chip *arch_get_match_msi_chip(struct device *dev)
+{
+ return &ppc_msi_chip;
}
--
1.7.1


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