From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> To: linux-pci@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Rob Herring <robh@kernel.org>, Russell King <linux@armlinux.org.uk> Subject: [PATCH v2] ARM/PCI: Remove unused fields from struct hw_pci Date: Wed, 16 Sep 2020 11:30:45 +0100 [thread overview] Message-ID: <20200916103045.28651-1-lorenzo.pieralisi@arm.com> (raw) In-Reply-To: <20200904141607.4066-1-lorenzo.pieralisi@arm.com> The msi_ctrl, io_optional and align_resource fields in struct hw_pci are currently unused by arm/mach PCI host controller drivers and we won't be adding any new users. Remove them and related code. Link: https://lore.kernel.org/r/20200904141607.4066-1-lorenzo.pieralisi@arm.com Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Rob Herring <robh@kernel.org> Cc: Russell King <linux@armlinux.org.uk> --- v1->v2 - Removed io_optional and align_resource fields as well [v1] https://lore.kernel.org/linux-pci/20200904141607.4066-1-lorenzo.pieralisi@arm.com arch/arm/include/asm/mach/pci.h | 7 ------- arch/arm/kernel/bios32.c | 16 ++-------------- 2 files changed, 2 insertions(+), 21 deletions(-) diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 83d340702680..ea9bd08895b7 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -17,10 +17,8 @@ struct pci_host_bridge; struct device; struct hw_pci { - struct msi_controller *msi_ctrl; struct pci_ops *ops; int nr_controllers; - unsigned int io_optional:1; void **private_data; int (*setup)(int nr, struct pci_sys_data *); int (*scan)(int nr, struct pci_host_bridge *); @@ -28,11 +26,6 @@ struct hw_pci { void (*postinit)(void); u8 (*swizzle)(struct pci_dev *dev, u8 *pin); int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); - resource_size_t (*align_resource)(struct pci_dev *dev, - const struct resource *res, - resource_size_t start, - resource_size_t size, - resource_size_t align); }; /* diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index eecec16aa708..e7ef2b5bea9c 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -394,8 +394,7 @@ static int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq; } -static int pcibios_init_resource(int busnr, struct pci_sys_data *sys, - int io_optional) +static int pcibios_init_resource(int busnr, struct pci_sys_data *sys) { int ret; struct resource_entry *window; @@ -405,14 +404,6 @@ static int pcibios_init_resource(int busnr, struct pci_sys_data *sys, &iomem_resource, sys->mem_offset); } - /* - * If a platform says I/O port support is optional, we don't add - * the default I/O space. The platform is responsible for adding - * any I/O space it needs. - */ - if (io_optional) - return 0; - resource_list_for_each_entry(window, &sys->resources) if (resource_type(window->res) == IORESOURCE_IO) return 0; @@ -462,7 +453,7 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, if (ret > 0) { - ret = pcibios_init_resource(nr, sys, hw->io_optional); + ret = pcibios_init_resource(nr, sys); if (ret) { pci_free_host_bridge(bridge); break; @@ -480,9 +471,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, bridge->sysdata = sys; bridge->busnr = sys->busnr; bridge->ops = hw->ops; - bridge->msi = hw->msi_ctrl; - bridge->align_resource = - hw->align_resource; ret = pci_scan_root_bus_bridge(bridge); } -- 2.26.1
WARNING: multiple messages have this Message-ID (diff)
From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> To: linux-pci@vger.kernel.org Cc: Rob Herring <robh@kernel.org>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Russell King <linux@armlinux.org.uk>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2] ARM/PCI: Remove unused fields from struct hw_pci Date: Wed, 16 Sep 2020 11:30:45 +0100 [thread overview] Message-ID: <20200916103045.28651-1-lorenzo.pieralisi@arm.com> (raw) In-Reply-To: <20200904141607.4066-1-lorenzo.pieralisi@arm.com> The msi_ctrl, io_optional and align_resource fields in struct hw_pci are currently unused by arm/mach PCI host controller drivers and we won't be adding any new users. Remove them and related code. Link: https://lore.kernel.org/r/20200904141607.4066-1-lorenzo.pieralisi@arm.com Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Rob Herring <robh@kernel.org> Cc: Russell King <linux@armlinux.org.uk> --- v1->v2 - Removed io_optional and align_resource fields as well [v1] https://lore.kernel.org/linux-pci/20200904141607.4066-1-lorenzo.pieralisi@arm.com arch/arm/include/asm/mach/pci.h | 7 ------- arch/arm/kernel/bios32.c | 16 ++-------------- 2 files changed, 2 insertions(+), 21 deletions(-) diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 83d340702680..ea9bd08895b7 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -17,10 +17,8 @@ struct pci_host_bridge; struct device; struct hw_pci { - struct msi_controller *msi_ctrl; struct pci_ops *ops; int nr_controllers; - unsigned int io_optional:1; void **private_data; int (*setup)(int nr, struct pci_sys_data *); int (*scan)(int nr, struct pci_host_bridge *); @@ -28,11 +26,6 @@ struct hw_pci { void (*postinit)(void); u8 (*swizzle)(struct pci_dev *dev, u8 *pin); int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); - resource_size_t (*align_resource)(struct pci_dev *dev, - const struct resource *res, - resource_size_t start, - resource_size_t size, - resource_size_t align); }; /* diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index eecec16aa708..e7ef2b5bea9c 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -394,8 +394,7 @@ static int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq; } -static int pcibios_init_resource(int busnr, struct pci_sys_data *sys, - int io_optional) +static int pcibios_init_resource(int busnr, struct pci_sys_data *sys) { int ret; struct resource_entry *window; @@ -405,14 +404,6 @@ static int pcibios_init_resource(int busnr, struct pci_sys_data *sys, &iomem_resource, sys->mem_offset); } - /* - * If a platform says I/O port support is optional, we don't add - * the default I/O space. The platform is responsible for adding - * any I/O space it needs. - */ - if (io_optional) - return 0; - resource_list_for_each_entry(window, &sys->resources) if (resource_type(window->res) == IORESOURCE_IO) return 0; @@ -462,7 +453,7 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, if (ret > 0) { - ret = pcibios_init_resource(nr, sys, hw->io_optional); + ret = pcibios_init_resource(nr, sys); if (ret) { pci_free_host_bridge(bridge); break; @@ -480,9 +471,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, bridge->sysdata = sys; bridge->busnr = sys->busnr; bridge->ops = hw->ops; - bridge->msi = hw->msi_ctrl; - bridge->align_resource = - hw->align_resource; ret = pci_scan_root_bus_bridge(bridge); } -- 2.26.1 _______________________________________________ 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:[~2020-09-16 20:21 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-04 14:16 [PATCH] ARM/PCI: Remove struct msi_controller from struct hw_pci Lorenzo Pieralisi 2020-09-04 14:16 ` Lorenzo Pieralisi 2020-09-04 19:08 ` Rob Herring 2020-09-04 19:08 ` Rob Herring 2020-09-16 10:30 ` Lorenzo Pieralisi [this message] 2020-09-16 10:30 ` [PATCH v2] ARM/PCI: Remove unused fields " Lorenzo Pieralisi 2020-09-17 15:09 ` Rob Herring 2020-09-17 15:09 ` Rob Herring
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