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[PATCH 2/3] MIPS: pci-ar71xx: remove static PCI IO/MEM resources

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 2/3] MIPS: pci-ar71xx: remove static PCI IO/MEM resources
From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 7 Feb 2013 21:28:15 +0100
Cc: John Crispin <blogic@openwrt.org>, linux-mips <linux-mips@linux-mips.org>, Gabor Juhos <juhosg@openwrt.org>
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 arch/mips/ath79/pci.c      |   12 +++++++++++-
 arch/mips/pci/pci-ar71xx.c |   40 ++++++++++++++++++++++++----------------
 2 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/arch/mips/ath79/pci.c b/arch/mips/ath79/pci.c
index 942e3f9..ea8aa10 100644
--- a/arch/mips/ath79/pci.c
+++ b/arch/mips/ath79/pci.c
@@ -117,7 +117,7 @@ static struct platform_device *
 ath79_register_pci_ar71xx(void)
 {
        struct platform_device *pdev;
-       struct resource res[2];
+       struct resource res[4];
 
        memset(res, 0, sizeof(res));
 
@@ -130,6 +130,16 @@ ath79_register_pci_ar71xx(void)
        res[1].start = ATH79_CPU_IRQ_IP2;
        res[1].end = ATH79_CPU_IRQ_IP2;
 
+       res[2].name = "io_base";
+       res[2].flags = IORESOURCE_IO;
+       res[2].start = 0;
+       res[2].end = 0;
+
+       res[3].name = "mem_base";
+       res[3].flags = IORESOURCE_MEM;
+       res[3].start = AR71XX_PCI_MEM_BASE;
+       res[3].end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1;
+
        pdev = platform_device_register_simple("ar71xx-pci", -1,
                                               res, ARRAY_SIZE(res));
        return pdev;
diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c
index 44dc5bf..e48dddb 100644
--- a/arch/mips/pci/pci-ar71xx.c
+++ b/arch/mips/pci/pci-ar71xx.c
@@ -53,6 +53,8 @@ struct ar71xx_pci_controller {
        spinlock_t lock;
        int irq;
        struct pci_controller pci_ctrl;
+       struct resource io_res;
+       struct resource mem_res;
 };
 
 /* Byte lane enable bits */
@@ -234,20 +236,6 @@ static struct pci_ops ar71xx_pci_ops = {
        .write  = ar71xx_pci_write_config,
 };
 
-static struct resource ar71xx_pci_io_resource = {
-       .name           = "PCI IO space",
-       .start          = 0,
-       .end            = 0,
-       .flags          = IORESOURCE_IO,
-};
-
-static struct resource ar71xx_pci_mem_resource = {
-       .name           = "PCI memory space",
-       .start          = AR71XX_PCI_MEM_BASE,
-       .end            = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1,
-       .flags          = IORESOURCE_MEM
-};
-
 static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
        void __iomem *base = ath79_reset_base;
@@ -370,6 +358,26 @@ static int ar71xx_pci_probe(struct platform_device *pdev)
        if (apc->irq < 0)
                return -EINVAL;
 
+       res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base");
+       if (!res)
+               return -EINVAL;
+
+       apc->io_res.parent = res;
+       apc->io_res.name = "PCI IO space";
+       apc->io_res.start = res->start;
+       apc->io_res.end = res->end;
+       apc->io_res.flags = IORESOURCE_IO;
+
+       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base");
+       if (!res)
+               return -EINVAL;
+
+       apc->mem_res.parent = res;
+       apc->mem_res.name = "PCI memory space";
+       apc->mem_res.start = res->start;
+       apc->mem_res.end = res->end;
+       apc->mem_res.flags = IORESOURCE_MEM;
+
        ar71xx_pci_reset();
 
        /* setup COMMAND register */
@@ -383,8 +391,8 @@ static int ar71xx_pci_probe(struct platform_device *pdev)
        ar71xx_pci_irq_init(apc);
 
        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;
+       apc->pci_ctrl.mem_resource = &apc->mem_res;
+       apc->pci_ctrl.io_resource = &apc->io_res;
 
        register_pci_controller(&apc->pci_ctrl);
 
-- 
1.7.10


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