From: Boqun Feng <boqun.feng@gmail.com> To: Bjorn Helgaas <bhelgaas@google.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, "K. Y. Srinivasan" <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Stephen Hemminger <sthemmin@microsoft.com>, Wei Liu <wei.liu@kernel.org>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Rob Herring <robh@kernel.org>, Clint Sbisa <csbisa@amazon.com>, Boqun Feng <boqun.feng@gmail.com>, Ard Biesheuvel <ardb@kernel.org>, Sunil Muthuswamy <sunilmut@microsoft.com> Subject: [RFC 2/2] PCI: hv: Tell PCI core arch-specific sysdata is used Date: Sat, 20 Mar 2021 00:19:56 +0800 [thread overview] Message-ID: <20210319161956.2838291-3-boqun.feng@gmail.com> (raw) In-Reply-To: <20210319161956.2838291-1-boqun.feng@gmail.com> Use the newly introduced ->use_arch_sysdata to tell PCI core, we still use the arch-specific sysdata way to set up root PCI buses on CONFIG_PCI_DOMAINS_GENERIC=y architectures, this is preparation fo Hyper-V ARM64 guest virtual PCI support. Signed-off-by: Boqun Feng (Microsoft) <boqun.feng@gmail.com> --- drivers/pci/controller/pci-hyperv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 27a17a1e4a7c..7cfa18d8a26e 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -859,6 +859,9 @@ static int hv_pcifront_write_config(struct pci_bus *bus, unsigned int devfn, static struct pci_ops hv_pcifront_ops = { .read = hv_pcifront_read_config, .write = hv_pcifront_write_config, +#ifdef CONFIG_PCI_DOMAINS_GENERIC + .use_arch_sysdata = 1, +#endif }; /* -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Boqun Feng <boqun.feng@gmail.com> To: Bjorn Helgaas <bhelgaas@google.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, "K. Y. Srinivasan" <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Stephen Hemminger <sthemmin@microsoft.com>, Wei Liu <wei.liu@kernel.org>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Rob Herring <robh@kernel.org>, Clint Sbisa <csbisa@amazon.com>, Boqun Feng <boqun.feng@gmail.com>, Ard Biesheuvel <ardb@kernel.org>, Sunil Muthuswamy <sunilmut@microsoft.com> Subject: [RFC 2/2] PCI: hv: Tell PCI core arch-specific sysdata is used Date: Sat, 20 Mar 2021 00:19:56 +0800 [thread overview] Message-ID: <20210319161956.2838291-3-boqun.feng@gmail.com> (raw) In-Reply-To: <20210319161956.2838291-1-boqun.feng@gmail.com> Use the newly introduced ->use_arch_sysdata to tell PCI core, we still use the arch-specific sysdata way to set up root PCI buses on CONFIG_PCI_DOMAINS_GENERIC=y architectures, this is preparation fo Hyper-V ARM64 guest virtual PCI support. Signed-off-by: Boqun Feng (Microsoft) <boqun.feng@gmail.com> --- drivers/pci/controller/pci-hyperv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 27a17a1e4a7c..7cfa18d8a26e 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -859,6 +859,9 @@ static int hv_pcifront_write_config(struct pci_bus *bus, unsigned int devfn, static struct pci_ops hv_pcifront_ops = { .read = hv_pcifront_read_config, .write = hv_pcifront_write_config, +#ifdef CONFIG_PCI_DOMAINS_GENERIC + .use_arch_sysdata = 1, +#endif }; /* -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-19 16:21 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-19 16:19 [RFC 0/2] PCI: Introduce pci_ops::use_arch_sysdata Boqun Feng 2021-03-19 16:19 ` Boqun Feng 2021-03-19 16:19 ` [RFC 1/2] arm64: PCI: Allow use arch-specific pci sysdata Boqun Feng 2021-03-19 16:19 ` Boqun Feng 2021-03-19 21:12 ` Bjorn Helgaas 2021-03-19 21:12 ` Bjorn Helgaas 2021-03-20 12:54 ` Marc Zyngier 2021-03-20 12:54 ` Marc Zyngier 2021-03-20 13:03 ` Arnd Bergmann 2021-03-20 13:03 ` Arnd Bergmann 2021-03-20 13:23 ` Marc Zyngier 2021-03-20 13:23 ` Marc Zyngier 2021-03-20 14:24 ` Arnd Bergmann 2021-03-20 14:24 ` Arnd Bergmann 2021-03-20 17:14 ` Marc Zyngier 2021-03-20 17:14 ` Marc Zyngier 2021-03-20 12:54 ` Arnd Bergmann 2021-03-20 12:54 ` Arnd Bergmann 2021-03-20 16:09 ` Arnd Bergmann 2021-03-20 16:09 ` Arnd Bergmann 2021-03-29 14:32 ` Boqun Feng 2021-03-29 14:32 ` Boqun Feng 2021-03-29 14:43 ` Arnd Bergmann 2021-03-29 14:43 ` Arnd Bergmann 2021-03-20 12:52 ` Arnd Bergmann 2021-03-20 12:52 ` Arnd Bergmann 2021-03-19 16:19 ` Boqun Feng [this message] 2021-03-19 16:19 ` [RFC 2/2] PCI: hv: Tell PCI core arch-specific sysdata is used Boqun Feng 2021-03-19 19:04 ` [RFC 0/2] PCI: Introduce pci_ops::use_arch_sysdata Bjorn Helgaas 2021-03-19 19:04 ` Bjorn Helgaas
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