From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Date: Tue, 12 Aug 2014 07:26:07 +0000 Subject: [RFC PATCH 14/20] Powerpc/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X Message-Id: <1407828373-24322-15-git-send-email-wangyijing@huawei.com> List-Id: References: <1407828373-24322-1-git-send-email-wangyijing@huawei.com> In-Reply-To: <1407828373-24322-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Bjorn Helgaas Cc: linux-kernel@vger.kernel.org, Xinwei Hu , Wuyun , linux-pci@vger.kernel.org, Marc Zyngier , linux-arm-kernel@lists.infradead.org, Russell King , arnab.basu@freescale.com, x86@kernel.org, Arnd Bergmann , Thomas Gleixner , "H. Peter Anvin" , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Joerg Roedel , iommu@lists.linux-foundation.org, linux-mips@linux-mips.org, Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, Sebastian Ott , Tony Luck , linux-ia64@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org, Chris Metcalf , Yijing Wang Introduce a new struct msi_chip ppc_msi_chip instead of weak arch functions to configure MSI/MSI-X. Signed-off-by: Yijing Wang --- 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 -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