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-rw-r--r--arch/mips/pci/fixup-fuloong2e.c12
-rw-r--r--arch/mips/pci/fixup-lemote2f.c12
-rw-r--r--arch/mips/pci/fixup-malta.c6
-rw-r--r--arch/mips/pci/fixup-mpc30x.c4
-rw-r--r--arch/mips/pci/fixup-sb1250.c6
-rw-r--r--arch/mips/pci/ops-tx4927.c2
-rw-r--r--arch/mips/pci/pci-ip27.c2
-rw-r--r--arch/mips/pci/pci-lantiq.c4
-rw-r--r--arch/mips/pci/pci-xlr.c61
-rw-r--r--arch/mips/pci/pci.c6
10 files changed, 78 insertions, 37 deletions
diff --git a/arch/mips/pci/fixup-fuloong2e.c b/arch/mips/pci/fixup-fuloong2e.c
index d5d4c018fb0..0857ab8c391 100644
--- a/arch/mips/pci/fixup-fuloong2e.c
+++ b/arch/mips/pci/fixup-fuloong2e.c
@@ -48,7 +48,7 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
return 0;
}
-static void __init loongson2e_nec_fixup(struct pci_dev *pdev)
+static void __devinit loongson2e_nec_fixup(struct pci_dev *pdev)
{
unsigned int val;
@@ -60,7 +60,7 @@ static void __init loongson2e_nec_fixup(struct pci_dev *pdev)
pci_write_config_dword(pdev, 0xe4, 1 << 5);
}
-static void __init loongson2e_686b_func0_fixup(struct pci_dev *pdev)
+static void __devinit loongson2e_686b_func0_fixup(struct pci_dev *pdev)
{
unsigned char c;
@@ -135,7 +135,7 @@ static void __init loongson2e_686b_func0_fixup(struct pci_dev *pdev)
printk(KERN_INFO"via686b fix: ISA bridge done\n");
}
-static void __init loongson2e_686b_func1_fixup(struct pci_dev *pdev)
+static void __devinit loongson2e_686b_func1_fixup(struct pci_dev *pdev)
{
printk(KERN_INFO"via686b fix: IDE\n");
@@ -168,19 +168,19 @@ static void __init loongson2e_686b_func1_fixup(struct pci_dev *pdev)
printk(KERN_INFO"via686b fix: IDE done\n");
}
-static void __init loongson2e_686b_func2_fixup(struct pci_dev *pdev)
+static void __devinit loongson2e_686b_func2_fixup(struct pci_dev *pdev)
{
/* irq routing */
pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, 10);
}
-static void __init loongson2e_686b_func3_fixup(struct pci_dev *pdev)
+static void __devinit loongson2e_686b_func3_fixup(struct pci_dev *pdev)
{
/* irq routing */
pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, 11);
}
-static void __init loongson2e_686b_func5_fixup(struct pci_dev *pdev)
+static void __devinit loongson2e_686b_func5_fixup(struct pci_dev *pdev)
{
unsigned int val;
unsigned char c;
diff --git a/arch/mips/pci/fixup-lemote2f.c b/arch/mips/pci/fixup-lemote2f.c
index 4b9768d5d72..a7b917dcf60 100644
--- a/arch/mips/pci/fixup-lemote2f.c
+++ b/arch/mips/pci/fixup-lemote2f.c
@@ -96,21 +96,21 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
}
/* CS5536 SPEC. fixup */
-static void __init loongson_cs5536_isa_fixup(struct pci_dev *pdev)
+static void __devinit loongson_cs5536_isa_fixup(struct pci_dev *pdev)
{
/* the uart1 and uart2 interrupt in PIC is enabled as default */
pci_write_config_dword(pdev, PCI_UART1_INT_REG, 1);
pci_write_config_dword(pdev, PCI_UART2_INT_REG, 1);
}
-static void __init loongson_cs5536_ide_fixup(struct pci_dev *pdev)
+static void __devinit loongson_cs5536_ide_fixup(struct pci_dev *pdev)
{
/* setting the mutex pin as IDE function */
pci_write_config_dword(pdev, PCI_IDE_CFG_REG,
CS5536_IDE_FLASH_SIGNATURE);
}
-static void __init loongson_cs5536_acc_fixup(struct pci_dev *pdev)
+static void __devinit loongson_cs5536_acc_fixup(struct pci_dev *pdev)
{
/* enable the AUDIO interrupt in PIC */
pci_write_config_dword(pdev, PCI_ACC_INT_REG, 1);
@@ -118,14 +118,14 @@ static void __init loongson_cs5536_acc_fixup(struct pci_dev *pdev)
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xc0);
}
-static void __init loongson_cs5536_ohci_fixup(struct pci_dev *pdev)
+static void __devinit loongson_cs5536_ohci_fixup(struct pci_dev *pdev)
{
/* enable the OHCI interrupt in PIC */
/* THE OHCI, EHCI, UDC, OTG are shared with interrupt in PIC */
pci_write_config_dword(pdev, PCI_OHCI_INT_REG, 1);
}
-static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev)
+static void __devinit loongson_cs5536_ehci_fixup(struct pci_dev *pdev)
{
u32 hi, lo;
@@ -137,7 +137,7 @@ static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev)
pci_write_config_dword(pdev, PCI_EHCI_FLADJ_REG, 0x2000);
}
-static void __init loongson_nec_fixup(struct pci_dev *pdev)
+static void __devinit loongson_nec_fixup(struct pci_dev *pdev)
{
unsigned int val;
diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c
index 0f48498bc23..70073c98ed3 100644
--- a/arch/mips/pci/fixup-malta.c
+++ b/arch/mips/pci/fixup-malta.c
@@ -49,10 +49,10 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
return 0;
}
-static void __init malta_piix_func0_fixup(struct pci_dev *pdev)
+static void __devinit malta_piix_func0_fixup(struct pci_dev *pdev)
{
unsigned char reg_val;
- static int piixirqmap[16] __initdata = { /* PIIX PIRQC[A:D] irq mappings */
+ static int piixirqmap[16] __devinitdata = { /* PIIX PIRQC[A:D] irq mappings */
0, 0, 0, 3,
4, 5, 6, 7,
0, 9, 10, 11,
@@ -83,7 +83,7 @@ static void __init malta_piix_func0_fixup(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0,
malta_piix_func0_fixup);
-static void __init malta_piix_func1_fixup(struct pci_dev *pdev)
+static void __devinit malta_piix_func1_fixup(struct pci_dev *pdev)
{
unsigned char reg_val;
diff --git a/arch/mips/pci/fixup-mpc30x.c b/arch/mips/pci/fixup-mpc30x.c
index e08f49cb687..8e4f8288eca 100644
--- a/arch/mips/pci/fixup-mpc30x.c
+++ b/arch/mips/pci/fixup-mpc30x.c
@@ -22,13 +22,13 @@
#include <asm/vr41xx/mpc30x.h>
-static const int internal_func_irqs[] __initdata = {
+static const int internal_func_irqs[] __initconst = {
VRC4173_CASCADE_IRQ,
VRC4173_AC97_IRQ,
VRC4173_USB_IRQ,
};
-static const int irq_tab_mpc30x[] __initdata = {
+static const int irq_tab_mpc30x[] __initconst = {
[12] = VRC4173_PCMCIA1_IRQ,
[13] = VRC4173_PCMCIA2_IRQ,
[29] = MQ200_IRQ,
diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c
index f0bb9146e6c..d02900a7291 100644
--- a/arch/mips/pci/fixup-sb1250.c
+++ b/arch/mips/pci/fixup-sb1250.c
@@ -15,7 +15,7 @@
* Set the BCM1250, etc. PCI host bridge's TRDY timeout
* to the finite max.
*/
-static void __init quirk_sb1250_pci(struct pci_dev *dev)
+static void __devinit quirk_sb1250_pci(struct pci_dev *dev)
{
pci_write_config_byte(dev, 0x40, 0xff);
}
@@ -25,7 +25,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI,
/*
* The BCM1250, etc. PCI/HT bridge reports as a host bridge.
*/
-static void __init quirk_sb1250_ht(struct pci_dev *dev)
+static void __devinit quirk_sb1250_ht(struct pci_dev *dev)
{
dev->class = PCI_CLASS_BRIDGE_PCI << 8;
}
@@ -35,7 +35,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT,
/*
* Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max.
*/
-static void __init quirk_sp1011(struct pci_dev *dev)
+static void __devinit quirk_sp1011(struct pci_dev *dev)
{
pci_write_config_byte(dev, 0x64, 0xff);
}
diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c
index a1e7e6d80c8..bc13e29d2bb 100644
--- a/arch/mips/pci/ops-tx4927.c
+++ b/arch/mips/pci/ops-tx4927.c
@@ -495,7 +495,7 @@ irqreturn_t tx4927_pcierr_interrupt(int irq, void *dev_id)
}
#ifdef CONFIG_TOSHIBA_FPCIB0
-static void __init tx4927_quirk_slc90e66_bridge(struct pci_dev *dev)
+static void __devinit tx4927_quirk_slc90e66_bridge(struct pci_dev *dev)
{
struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(dev->bus);
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index 0fbe4c0c170..fdc24440294 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -212,7 +212,7 @@ static inline void pci_enable_swapping(struct pci_dev *dev)
bridge->b_widget.w_tflush; /* Flush */
}
-static void __init pci_fixup_ioc3(struct pci_dev *d)
+static void __devinit pci_fixup_ioc3(struct pci_dev *d)
{
pci_disable_swapping(d);
}
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index ea453532a33..075d87acd12 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -129,7 +129,7 @@ static int __devinit ltq_pci_startup(struct platform_device *pdev)
/* setup reset gpio used by pci */
reset_gpio = of_get_named_gpio(node, "gpio-reset", 0);
- if (reset_gpio > 0)
+ if (gpio_is_valid(reset_gpio))
devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
/* enable auto-switching between PCI and EBU */
@@ -192,7 +192,7 @@ static int __devinit ltq_pci_startup(struct platform_device *pdev)
ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_PCC_IEN) | 0x10, LTQ_EBU_PCC_IEN);
/* toggle reset pin */
- if (reset_gpio > 0) {
+ if (gpio_is_valid(reset_gpio)) {
__gpio_set_value(reset_gpio, 0);
wmb();
mdelay(1);
diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c
index 1644805a673..172af1cd586 100644
--- a/arch/mips/pci/pci-xlr.c
+++ b/arch/mips/pci/pci-xlr.c
@@ -41,6 +41,7 @@
#include <linux/irq.h>
#include <linux/irqdesc.h>
#include <linux/console.h>
+#include <linux/pci_regs.h>
#include <asm/io.h>
@@ -156,35 +157,55 @@ struct pci_controller nlm_pci_controller = {
.io_offset = 0x00000000UL,
};
+/*
+ * The top level PCIe links on the XLS PCIe controller appear as
+ * bridges. Given a device, this function finds which link it is
+ * on.
+ */
+static struct pci_dev *xls_get_pcie_link(const struct pci_dev *dev)
+{
+ struct pci_bus *bus, *p;
+
+ /* Find the bridge on bus 0 */
+ bus = dev->bus;
+ for (p = bus->parent; p && p->number != 0; p = p->parent)
+ bus = p;
+
+ return p ? bus->self : NULL;
+}
+
static int get_irq_vector(const struct pci_dev *dev)
{
+ struct pci_dev *lnk;
+
if (!nlm_chip_is_xls())
- return PIC_PCIX_IRQ; /* for XLR just one IRQ*/
+ return PIC_PCIX_IRQ; /* for XLR just one IRQ */
/*
* For XLS PCIe, there is an IRQ per Link, find out which
* link the device is on to assign interrupts
- */
- if (dev->bus->self == NULL)
+ */
+ lnk = xls_get_pcie_link(dev);
+ if (lnk == NULL)
return 0;
- switch (dev->bus->self->devfn) {
- case 0x0:
+ switch (PCI_SLOT(lnk->devfn)) {
+ case 0:
return PIC_PCIE_LINK0_IRQ;
- case 0x8:
+ case 1:
return PIC_PCIE_LINK1_IRQ;
- case 0x10:
+ case 2:
if (nlm_chip_is_xls_b())
return PIC_PCIE_XLSB0_LINK2_IRQ;
else
return PIC_PCIE_LINK2_IRQ;
- case 0x18:
+ case 3:
if (nlm_chip_is_xls_b())
return PIC_PCIE_XLSB0_LINK3_IRQ;
else
return PIC_PCIE_LINK3_IRQ;
}
- WARN(1, "Unexpected devfn %d\n", dev->bus->self->devfn);
+ WARN(1, "Unexpected devfn %d\n", lnk->devfn);
return 0;
}
@@ -202,7 +223,27 @@ void arch_teardown_msi_irq(unsigned int irq)
int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
{
struct msi_msg msg;
+ struct pci_dev *lnk;
int irq, ret;
+ u16 val;
+
+ /* MSI not supported on XLR */
+ if (!nlm_chip_is_xls())
+ return 1;
+
+ /*
+ * Enable MSI on the XLS PCIe controller bridge which was disabled
+ * at enumeration, the bridge MSI capability is at 0x50
+ */
+ lnk = xls_get_pcie_link(dev);
+ if (lnk == NULL)
+ return 1;
+
+ pci_read_config_word(lnk, 0x50 + PCI_MSI_FLAGS, &val);
+ if ((val & PCI_MSI_FLAGS_ENABLE) == 0) {
+ val |= PCI_MSI_FLAGS_ENABLE;
+ pci_write_config_word(lnk, 0x50 + PCI_MSI_FLAGS, val);
+ }
irq = get_irq_vector(dev);
if (irq <= 0)
@@ -327,7 +368,7 @@ static int __init pcibios_init(void)
}
} else {
/* XLR PCI controller ACK */
- irq_set_handler_data(PIC_PCIE_XLSB0_LINK3_IRQ, xlr_pci_ack);
+ irq_set_handler_data(PIC_PCIX_IRQ, xlr_pci_ack);
}
return 0;
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 271e8c4a54c..690356808f8 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -102,7 +102,7 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose)
need_domain_info = need_domain_info || hose->index;
hose->need_domain_info = need_domain_info;
if (bus) {
- next_busno = bus->subordinate + 1;
+ next_busno = bus->busn_res.end + 1;
/* Don't allow 8-bit bus number overflow inside the hose -
reserve some space for bridges. */
if (next_busno > 224) {
@@ -348,9 +348,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
vma->vm_end - vma->vm_start, vma->vm_page_prot);
}
-char * (*pcibios_plat_setup)(char *str) __devinitdata;
+char * (*pcibios_plat_setup)(char *str) __initdata;
-char *__devinit pcibios_setup(char *str)
+char *__init pcibios_setup(char *str)
{
if (pcibios_plat_setup)
return pcibios_plat_setup(str);