diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch')
-rw-r--r-- | target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch deleted file mode 100644 index 4db1fd92b3..0000000000 --- a/target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch +++ /dev/null @@ -1,228 +0,0 @@ -From 6c3ef689e4364dca74eaaecd72384be09e5a6bc8 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Mon, 25 Jun 2012 09:19:08 +0200 -Subject: [PATCH 14/34] MIPS: pci-ar71xx: use dynamically allocated PCI controller structure - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- - arch/mips/pci/pci-ar71xx.c | 84 +++++++++++++++++++++++++++---------------- - 1 files changed, 53 insertions(+), 31 deletions(-) - ---- a/arch/mips/pci/pci-ar71xx.c -+++ b/arch/mips/pci/pci-ar71xx.c -@@ -20,6 +20,7 @@ - #include <linux/interrupt.h> - #include <linux/module.h> - #include <linux/platform_device.h> -+#include <linux/slab.h> - - #include <asm/mach-ath79/ar71xx_regs.h> - #include <asm/mach-ath79/ath79.h> -@@ -48,8 +49,12 @@ - - #define AR71XX_PCI_IRQ_COUNT 5 - --static DEFINE_SPINLOCK(ar71xx_pci_lock); --static void __iomem *ar71xx_pcicfg_base; -+struct ar71xx_pci_controller { -+ void __iomem *cfg_base; -+ spinlock_t lock; -+ int irq; -+ struct pci_controller pci_ctrl; -+}; - - /* Byte lane enable bits */ - static const u8 ar71xx_pci_ble_table[4][4] = { -@@ -92,9 +97,18 @@ static inline u32 ar71xx_pci_bus_addr(st - return ret; - } - --static int ar71xx_pci_check_error(int quiet) -+static inline struct ar71xx_pci_controller * -+pci_bus_to_ar71xx_controller(struct pci_bus *bus) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct pci_controller *hose; -+ -+ hose = (struct pci_controller *) bus->sysdata; -+ return container_of(hose, struct ar71xx_pci_controller, pci_ctrl); -+} -+ -+static int ar71xx_pci_check_error(struct ar71xx_pci_controller *apc, int quiet) -+{ -+ void __iomem *base = apc->cfg_base; - u32 pci_err; - u32 ahb_err; - -@@ -129,9 +143,10 @@ static int ar71xx_pci_check_error(int qu - return !!(ahb_err | pci_err); - } - --static inline void ar71xx_pci_local_write(int where, int size, u32 value) -+static inline void ar71xx_pci_local_write(struct ar71xx_pci_controller *apc, -+ int where, int size, u32 value) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ void __iomem *base = apc->cfg_base; - u32 ad_cbe; - - value = value << (8 * (where & 3)); -@@ -147,7 +162,8 @@ static inline int ar71xx_pci_set_cfgaddr - unsigned int devfn, - int where, int size, u32 cmd) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); -+ void __iomem *base = apc->cfg_base; - u32 addr; - - addr = ar71xx_pci_bus_addr(bus, devfn, where); -@@ -156,13 +172,14 @@ static inline int ar71xx_pci_set_cfgaddr - __raw_writel(cmd | ar71xx_pci_get_ble(where, size, 0), - base + AR71XX_PCI_REG_CFG_CBE); - -- return ar71xx_pci_check_error(1); -+ return ar71xx_pci_check_error(apc, 1); - } - - static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 *value) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); -+ void __iomem *base = apc->cfg_base; - unsigned long flags; - u32 data; - int err; -@@ -171,7 +188,7 @@ static int ar71xx_pci_read_config(struct - ret = PCIBIOS_SUCCESSFUL; - data = ~0; - -- spin_lock_irqsave(&ar71xx_pci_lock, flags); -+ spin_lock_irqsave(&apc->lock, flags); - - err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, - AR71XX_PCI_CFG_CMD_READ); -@@ -180,7 +197,7 @@ static int ar71xx_pci_read_config(struct - else - data = __raw_readl(base + AR71XX_PCI_REG_CFG_RDDATA); - -- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - *value = (data >> (8 * (where & 3))) & ar71xx_pci_read_mask[size & 7]; - -@@ -190,7 +207,8 @@ static int ar71xx_pci_read_config(struct - static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 value) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); -+ void __iomem *base = apc->cfg_base; - unsigned long flags; - int err; - int ret; -@@ -198,7 +216,7 @@ static int ar71xx_pci_write_config(struc - value = value << (8 * (where & 3)); - ret = PCIBIOS_SUCCESSFUL; - -- spin_lock_irqsave(&ar71xx_pci_lock, flags); -+ spin_lock_irqsave(&apc->lock, flags); - - err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, - AR71XX_PCI_CFG_CMD_WRITE); -@@ -207,7 +225,7 @@ static int ar71xx_pci_write_config(struc - else - __raw_writel(value, base + AR71XX_PCI_REG_CFG_WRDATA); - -- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - return ret; - } -@@ -231,12 +249,6 @@ static struct resource ar71xx_pci_mem_re - .flags = IORESOURCE_MEM - }; - --static struct pci_controller ar71xx_pci_controller = { -- .pci_ops = &ar71xx_pci_ops, -- .mem_resource = &ar71xx_pci_mem_resource, -- .io_resource = &ar71xx_pci_io_resource, --}; -- - static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) - { - void __iomem *base = ath79_reset_base; -@@ -294,7 +306,7 @@ static struct irq_chip ar71xx_pci_irq_ch - .irq_mask_ack = ar71xx_pci_irq_mask, - }; - --static __devinit void ar71xx_pci_irq_init(int irq) -+static __devinit void ar71xx_pci_irq_init(struct ar71xx_pci_controller *apc) - { - void __iomem *base = ath79_reset_base; - int i; -@@ -309,7 +321,7 @@ static __devinit void ar71xx_pci_irq_ini - irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, - handle_level_irq); - -- irq_set_chained_handler(irq, ar71xx_pci_irq_handler); -+ irq_set_chained_handler(apc->irq, ar71xx_pci_irq_handler); - } - - static __devinit void ar71xx_pci_reset(void) -@@ -336,20 +348,26 @@ static __devinit void ar71xx_pci_reset(v - - static int __devinit ar71xx_pci_probe(struct platform_device *pdev) - { -+ struct ar71xx_pci_controller *apc; - struct resource *res; -- int irq; - u32 t; - -+ apc = kzalloc(sizeof(struct ar71xx_pci_controller), GFP_KERNEL); -+ if (!apc) -+ return -ENOMEM; -+ -+ spin_lock_init(&apc->lock); -+ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); - if (!res) - return -EINVAL; - -- ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); -- if (!ar71xx_pcicfg_base) -+ apc->cfg_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (!apc->cfg_base) - return -ENOMEM; - -- irq = platform_get_irq(pdev, 0); -- if (irq < 0) -+ apc->irq = platform_get_irq(pdev, 0); -+ if (apc->irq < 0) - return -EINVAL; - - ar71xx_pci_reset(); -@@ -357,14 +375,18 @@ static int __devinit ar71xx_pci_probe(st - /* setup COMMAND register */ - t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE - | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; -- ar71xx_pci_local_write(PCI_COMMAND, 4, t); -+ ar71xx_pci_local_write(apc, PCI_COMMAND, 4, t); - - /* clear bus errors */ -- ar71xx_pci_check_error(1); -+ ar71xx_pci_check_error(apc, 1); -+ -+ ar71xx_pci_irq_init(apc); - -- ar71xx_pci_irq_init(irq); -+ apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; -+ apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; -+ apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; - -- register_pci_controller(&ar71xx_pci_controller); -+ register_pci_controller(&apc->pci_ctrl); - - return 0; - } |