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From f073cb029873ed487e14784d3682b6aa25afe997 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 7 Feb 2013 19:28:15 +0000
Subject: [PATCH] MIPS: pci-ar71xx: remove static PCI IO/MEM resources
commit 42cb60d1fab4c81ef24876d985e08fc5bb899e41 upstream.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4927/
Signed-off-by: John Crispin <blogic@openwrt.org>
---
arch/mips/ath79/pci.c | 12 +++++++++++-
arch/mips/pci/pci-ar71xx.c | 40 ++++++++++++++++++++++++----------------
2 files changed, 35 insertions(+), 17 deletions(-)
--- 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;
--- 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 platf
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 platf
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);
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