From: Rob Herring <robh@kernel.org> To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de>, linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>, Rob Herring <robh@kernel.org>, Simon Horman <horms@verge.net.au>, linux-sh@vger.kernel.org Subject: [PATCH 13/16] pci/host: rcar-gen2: convert to use generic config accesses Date: Sat, 10 Jan 2015 02:34:47 +0000 [thread overview] Message-ID: <1420857290-8373-14-git-send-email-robh@kernel.org> (raw) In-Reply-To: <1420857290-8373-1-git-send-email-robh@kernel.org> Convert the rcar-gen2 host PCI driver to use the generic config access functions. This changes the i/o accessors from io(read|write)X to readX/writeX variants which are equivalent on ARM. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Simon Horman <horms@verge.net.au> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: linux-pci@vger.kernel.org Cc: linux-sh@vger.kernel.org --- drivers/pci/host/pci-rcar-gen2.c | 51 +++------------------------------------- 1 file changed, 3 insertions(+), 48 deletions(-) diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index d9c042f..dd6b84e 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -131,52 +131,6 @@ static void __iomem *rcar_pci_cfg_base(struct pci_bus *bus, unsigned int devfn, return priv->reg + (slot >> 1) * 0x100 + where; } -static int rcar_pci_read_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 *val) -{ - void __iomem *reg = rcar_pci_cfg_base(bus, devfn, where); - - if (!reg) - return PCIBIOS_DEVICE_NOT_FOUND; - - switch (size) { - case 1: - *val = ioread8(reg); - break; - case 2: - *val = ioread16(reg); - break; - default: - *val = ioread32(reg); - break; - } - - return PCIBIOS_SUCCESSFUL; -} - -static int rcar_pci_write_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 val) -{ - void __iomem *reg = rcar_pci_cfg_base(bus, devfn, where); - - if (!reg) - return PCIBIOS_DEVICE_NOT_FOUND; - - switch (size) { - case 1: - iowrite8(val, reg); - break; - case 2: - iowrite16(val, reg); - break; - default: - iowrite32(val, reg); - break; - } - - return PCIBIOS_SUCCESSFUL; -} - /* PCI interrupt mapping */ static int rcar_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { @@ -325,8 +279,9 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys) } static struct pci_ops rcar_pci_ops = { - .read = rcar_pci_read_config, - .write = rcar_pci_write_config, + .map_bus = rcar_pci_cfg_base, + .read = pci_generic_config_read, + .write = pci_generic_config_write, }; static int rcar_pci_probe(struct platform_device *pdev) -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org> To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de>, linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>, Rob Herring <robh@kernel.org>, Simon Horman <horms@verge.net.au>, linux-sh@vger.kernel.org Subject: [PATCH 13/16] pci/host: rcar-gen2: convert to use generic config accesses Date: Fri, 9 Jan 2015 20:34:47 -0600 [thread overview] Message-ID: <1420857290-8373-14-git-send-email-robh@kernel.org> (raw) In-Reply-To: <1420857290-8373-1-git-send-email-robh@kernel.org> Convert the rcar-gen2 host PCI driver to use the generic config access functions. This changes the i/o accessors from io(read|write)X to readX/writeX variants which are equivalent on ARM. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Simon Horman <horms@verge.net.au> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: linux-pci@vger.kernel.org Cc: linux-sh@vger.kernel.org --- drivers/pci/host/pci-rcar-gen2.c | 51 +++------------------------------------- 1 file changed, 3 insertions(+), 48 deletions(-) diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index d9c042f..dd6b84e 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -131,52 +131,6 @@ static void __iomem *rcar_pci_cfg_base(struct pci_bus *bus, unsigned int devfn, return priv->reg + (slot >> 1) * 0x100 + where; } -static int rcar_pci_read_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 *val) -{ - void __iomem *reg = rcar_pci_cfg_base(bus, devfn, where); - - if (!reg) - return PCIBIOS_DEVICE_NOT_FOUND; - - switch (size) { - case 1: - *val = ioread8(reg); - break; - case 2: - *val = ioread16(reg); - break; - default: - *val = ioread32(reg); - break; - } - - return PCIBIOS_SUCCESSFUL; -} - -static int rcar_pci_write_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 val) -{ - void __iomem *reg = rcar_pci_cfg_base(bus, devfn, where); - - if (!reg) - return PCIBIOS_DEVICE_NOT_FOUND; - - switch (size) { - case 1: - iowrite8(val, reg); - break; - case 2: - iowrite16(val, reg); - break; - default: - iowrite32(val, reg); - break; - } - - return PCIBIOS_SUCCESSFUL; -} - /* PCI interrupt mapping */ static int rcar_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { @@ -325,8 +279,9 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys) } static struct pci_ops rcar_pci_ops = { - .read = rcar_pci_read_config, - .write = rcar_pci_write_config, + .map_bus = rcar_pci_cfg_base, + .read = pci_generic_config_read, + .write = pci_generic_config_write, }; static int rcar_pci_probe(struct platform_device *pdev) -- 2.1.0
next prev parent reply other threads:[~2015-01-10 2:34 UTC|newest] Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-10 2:34 [PATCH 00/16] PCI generic configuration space accessors Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` [PATCH 01/16] frv: add struct pci_ops member names to initialization Rob Herring 2015-01-10 2:34 ` [PATCH 02/16] mips: " Rob Herring 2015-01-10 2:34 ` [PATCH 03/16] mn10300: " Rob Herring 2015-01-10 2:34 ` [PATCH 04/16] powerpc: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` [PATCH 05/16] pci: introduce common pci config space accessors Rob Herring 2015-01-12 10:01 ` Thierry Reding 2015-01-12 10:04 ` Thierry Reding 2015-01-10 2:34 ` [PATCH 06/16] ARM: cns3xxx: convert PCI to use generic config accesses Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-29 6:16 ` Krzysztof Hałasa 2015-01-29 6:16 ` Krzysztof Hałasa 2015-01-29 14:35 ` Bjorn Helgaas 2015-01-29 14:35 ` Bjorn Helgaas 2015-01-10 2:34 ` [PATCH 07/16] ARM: integrator: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 21:40 ` Linus Walleij 2015-01-10 21:40 ` Linus Walleij 2015-01-10 21:40 ` Linus Walleij 2015-01-10 21:53 ` Arnd Bergmann 2015-01-10 21:53 ` Arnd Bergmann 2015-01-10 21:53 ` Arnd Bergmann 2015-01-12 0:05 ` Linus Walleij 2015-01-12 0:05 ` Linus Walleij 2015-01-12 0:05 ` Linus Walleij 2015-01-22 20:33 ` Bjorn Helgaas 2015-01-22 20:33 ` Bjorn Helgaas 2015-01-22 20:33 ` Bjorn Helgaas 2015-01-26 18:22 ` Bjorn Helgaas 2015-01-26 18:22 ` Bjorn Helgaas 2015-01-26 18:22 ` Bjorn Helgaas 2015-01-26 23:22 ` Linus Walleij 2015-01-26 23:22 ` Linus Walleij 2015-01-26 23:22 ` Linus Walleij 2015-01-10 2:34 ` [PATCH 08/16] ARM: sa1100: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` [PATCH 09/16] ARM: ks8695: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-12 12:38 ` Greg Ungerer 2015-01-12 12:38 ` Greg Ungerer 2015-01-10 2:34 ` [PATCH 10/16] powerpc: fsl_pci: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` [PATCH 11/16] powerpc: powermac: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` [PATCH 12/16] pci/host: generic: convert " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-12 17:51 ` Will Deacon 2015-01-12 17:51 ` Will Deacon 2015-01-12 17:51 ` Will Deacon 2015-01-10 2:34 ` Rob Herring [this message] 2015-01-10 2:34 ` [PATCH 13/16] pci/host: rcar-gen2: " Rob Herring 2015-01-12 9:25 ` Geert Uytterhoeven 2015-01-12 9:25 ` Geert Uytterhoeven 2015-01-10 2:34 ` [PATCH 14/16] pci/host: tegra: " Rob Herring 2015-01-12 10:07 ` Thierry Reding 2015-01-10 2:34 ` [PATCH 15/16] pci/host: xgene: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-10 2:34 ` [PATCH 16/16] pci/host: xilinx: " Rob Herring 2015-01-10 2:34 ` Rob Herring 2015-01-22 21:03 ` [PATCH 00/16] PCI generic configuration space accessors Bjorn Helgaas 2015-01-22 21:03 ` Bjorn Helgaas 2015-01-22 21:03 ` Bjorn Helgaas 2015-01-22 21:03 ` Bjorn Helgaas 2015-01-22 21:03 ` Bjorn Helgaas 2015-01-22 23:47 ` Rob Herring 2015-01-22 23:47 ` Rob Herring 2015-01-22 23:47 ` Rob Herring 2015-01-22 23:47 ` Rob Herring 2015-01-22 23:47 ` Rob Herring
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