linux-kernel - [RFC PATCH 12/20] MIPS/Xlp/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1407828373-24322-13-git-send-email-wangyijing@huawei.com>
Date:	Tue, 12 Aug 2014 15:26:05 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	<linux-kernel@...r.kernel.org>, Xinwei Hu <huxinwei@...wei.com>,
	Wuyun <wuyun.wu@...wei.com>, <linux-pci@...r.kernel.org>,
	Marc Zyngier <marc.zyngier@....com>,
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <linux@....linux.org.uk>,
	<arnab.basu@...escale.com>, <x86@...nel.org>,
	"Arnd Bergmann" <arnd@...db.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	<xen-devel@...ts.xenproject.org>, Joerg Roedel <joro@...tes.org>,
	<iommu@...ts.linux-foundation.org>, <linux-mips@...ux-mips.org>,
	"Benjamin Herrenschmidt" <benh@...nel.crashing.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-s390@...r.kernel.org>,
	Sebastian Ott <sebott@...ux.vnet.ibm.com>,
	"Tony Luck" <tony.luck@...el.com>, <linux-ia64@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	<sparclinux@...r.kernel.org>, Chris Metcalf <cmetcalf@...era.com>,
	Yijing Wang <wangyijing@...wei.com>
Subject: [RFC PATCH 12/20] MIPS/Xlp/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X

Introduce a new struct msi_chip xlp_chip instead of weak arch
functions to configure MSI/MSI-X.

Signed-off-by: Yijing Wang <wangyijing@...wei.com>
---
 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/