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114 lines
3.2 KiB
Diff
114 lines
3.2 KiB
Diff
From f073cb029873ed487e14784d3682b6aa25afe997 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Thu, 7 Feb 2013 19:28:15 +0000
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Subject: [PATCH] MIPS: pci-ar71xx: remove static PCI IO/MEM resources
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commit 42cb60d1fab4c81ef24876d985e08fc5bb899e41 upstream.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Patchwork: http://patchwork.linux-mips.org/patch/4927/
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/ath79/pci.c | 12 +++++++++++-
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arch/mips/pci/pci-ar71xx.c | 40 ++++++++++++++++++++++++----------------
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2 files changed, 35 insertions(+), 17 deletions(-)
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--- a/arch/mips/ath79/pci.c
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+++ b/arch/mips/ath79/pci.c
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@@ -117,7 +117,7 @@ static struct platform_device *
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ath79_register_pci_ar71xx(void)
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{
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struct platform_device *pdev;
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- struct resource res[2];
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+ struct resource res[4];
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memset(res, 0, sizeof(res));
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@@ -130,6 +130,16 @@ ath79_register_pci_ar71xx(void)
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res[1].start = ATH79_CPU_IRQ_IP2;
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res[1].end = ATH79_CPU_IRQ_IP2;
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+ res[2].name = "io_base";
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+ res[2].flags = IORESOURCE_IO;
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+ res[2].start = 0;
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+ res[2].end = 0;
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+
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+ res[3].name = "mem_base";
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+ res[3].flags = IORESOURCE_MEM;
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+ res[3].start = AR71XX_PCI_MEM_BASE;
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+ res[3].end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1;
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+
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pdev = platform_device_register_simple("ar71xx-pci", -1,
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res, ARRAY_SIZE(res));
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return pdev;
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--- a/arch/mips/pci/pci-ar71xx.c
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+++ b/arch/mips/pci/pci-ar71xx.c
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@@ -53,6 +53,8 @@ struct ar71xx_pci_controller {
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spinlock_t lock;
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int irq;
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struct pci_controller pci_ctrl;
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+ struct resource io_res;
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+ struct resource mem_res;
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};
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/* Byte lane enable bits */
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@@ -234,20 +236,6 @@ static struct pci_ops ar71xx_pci_ops = {
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.write = ar71xx_pci_write_config,
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};
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-static struct resource ar71xx_pci_io_resource = {
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- .name = "PCI IO space",
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- .start = 0,
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- .end = 0,
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- .flags = IORESOURCE_IO,
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-};
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-
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-static struct resource ar71xx_pci_mem_resource = {
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- .name = "PCI memory space",
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- .start = AR71XX_PCI_MEM_BASE,
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- .end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1,
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- .flags = IORESOURCE_MEM
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-};
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-
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static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
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{
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void __iomem *base = ath79_reset_base;
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@@ -370,6 +358,26 @@ static int ar71xx_pci_probe(struct platf
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if (apc->irq < 0)
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return -EINVAL;
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+ res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base");
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+ if (!res)
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+ return -EINVAL;
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+
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+ apc->io_res.parent = res;
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+ apc->io_res.name = "PCI IO space";
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+ apc->io_res.start = res->start;
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+ apc->io_res.end = res->end;
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+ apc->io_res.flags = IORESOURCE_IO;
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+
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+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base");
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+ if (!res)
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+ return -EINVAL;
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+
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+ apc->mem_res.parent = res;
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+ apc->mem_res.name = "PCI memory space";
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+ apc->mem_res.start = res->start;
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+ apc->mem_res.end = res->end;
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+ apc->mem_res.flags = IORESOURCE_MEM;
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+
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ar71xx_pci_reset();
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/* setup COMMAND register */
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@@ -383,8 +391,8 @@ static int ar71xx_pci_probe(struct platf
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ar71xx_pci_irq_init(apc);
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apc->pci_ctrl.pci_ops = &ar71xx_pci_ops;
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- apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource;
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- apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource;
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+ apc->pci_ctrl.mem_resource = &apc->mem_res;
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+ apc->pci_ctrl.io_resource = &apc->io_res;
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register_pci_controller(&apc->pci_ctrl);
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