[RFC PATCH 12/20] MIPS/Xlp/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
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- To: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
- Subject: [RFC PATCH 12/20] MIPS/Xlp/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
- From: Yijing Wang <wangyijing@xxxxxxxxxx>
- Date: Tue, 12 Aug 2014 15:26:05 +0800
- Cc: <linux-kernel@xxxxxxxxxxxxxxx>, Xinwei Hu <huxinwei@xxxxxxxxxx>, Wuyun <wuyun.wu@xxxxxxxxxx>, <linux-pci@xxxxxxxxxxxxxxx>, Marc Zyngier <marc.zyngier@xxxxxxx>, <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxxx>, <arnab.basu@xxxxxxxxxxxxx>, <x86@xxxxxxxxxx>, "Arnd Bergmann" <arnd@xxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>, <linux-mips@xxxxxxxxxxxxxx>, "Benjamin Herrenschmidt" <benh@xxxxxxxxxxxxxxxxxxx>, <linuxppc-dev@xxxxxxxxxxxxxxxx>, <linux-s390@xxxxxxxxxxxxxxx>, Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx>, "Tony Luck" <tony.luck@xxxxxxxxx>, <linux-ia64@xxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, <sparclinux@xxxxxxxxxxxxxxx>, Chris Metcalf <cmetcalf@xxxxxxxxxx>, Yijing Wang <wangyijing@xxxxxxxxxx>
- In-reply-to: <1407828373-24322-1-git-send-email-wangyijing@huawei.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <1407828373-24322-1-git-send-email-wangyijing@huawei.com>
Introduce a new struct msi_chip xlp_chip instead of weak arch
functions to configure MSI/MSI-X.
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
arch/mips/pci/msi-xlp.c | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/arch/mips/pci/msi-xlp.c b/arch/mips/pci/msi-xlp.c
index fa374fe..6c27346 100644
--- a/arch/mips/pci/msi-xlp.c
+++ b/arch/mips/pci/msi-xlp.c
@@ -245,7 +245,7 @@ static struct irq_chip xlp_msix_chip = {
.irq_unmask = unmask_msi_irq,
};
-void arch_teardown_msi_irq(unsigned int irq)
+void xlp_teardown_msi_irq(unsigned int irq)
{
}
@@ -452,11 +452,12 @@ static int xlp_setup_msix(uint64_t lnkbase, int node, int link,
return 0;
}
-int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
+int xlp_setup_msi_irq(struct device *d, struct msi_desc *desc)
{
struct pci_dev *lnkdev;
uint64_t lnkbase;
int node, link, slot;
+ struct pci_dev *dev = to_pci_dev(d);
lnkdev = xlp_get_pcie_link(dev);
if (lnkdev == NULL) {
@@ -474,6 +475,16 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
return xlp_setup_msi(lnkbase, node, link, desc);
}
+struct msi_chip xlp_chip = {
+ .setup_irq = xlp_setup_msi_irq,
+ .teardown_irq = xlp_teardown_msi_irq,
+};
+
+struct msi_chip *arch_get_match_msi_chip(struct device *dev)
+{
+ return &xlp_chip;
+}
+
void __init xlp_init_node_msi_irqs(int node, int link)
{
struct nlm_soc_info *nodep;
--
1.7.1
--
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