aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
-rw-r--r--arch/x86/include/asm/pci.h2
-rw-r--r--arch/x86/include/asm/x86_init.h2
-rw-r--r--arch/x86/kernel/x86_init.c4
-rw-r--r--arch/x86/pci/xen.c2
-rw-r--r--drivers/pci/iov.c1
-rw-r--r--drivers/pci/msi.c19
-rw-r--r--drivers/pci/pcie/portdrv_core.c2
-rw-r--r--drivers/pci/setup-bus.c16
-rw-r--r--include/linux/msi.h4
9 files changed, 32 insertions, 20 deletions
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 947b5c417e83..0de52c5bf9a2 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -104,7 +104,7 @@ extern void pci_iommu_alloc(void);
struct msi_desc;
int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
void native_teardown_msi_irq(unsigned int irq);
-void native_restore_msi_irqs(struct pci_dev *dev, int irq);
+void native_restore_msi_irqs(struct pci_dev *dev);
int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
unsigned int irq_base, unsigned int irq_offset);
#else
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 0f1be11e43d2..e45e4da96bf1 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -181,7 +181,7 @@ struct x86_msi_ops {
u8 hpet_id);
void (*teardown_msi_irq)(unsigned int irq);
void (*teardown_msi_irqs)(struct pci_dev *dev);
- void (*restore_msi_irqs)(struct pci_dev *dev, int irq);
+ void (*restore_msi_irqs)(struct pci_dev *dev);
int (*setup_hpet_msi)(unsigned int irq, unsigned int id);
u32 (*msi_mask_irq)(struct msi_desc *desc, u32 mask, u32 flag);
u32 (*msix_mask_irq)(struct msi_desc *desc, u32 flag);
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 021783b1f46a..e48b674639cc 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -136,9 +136,9 @@ void arch_teardown_msi_irq(unsigned int irq)
x86_msi.teardown_msi_irq(irq);
}
-void arch_restore_msi_irqs(struct pci_dev *dev, int irq)
+void arch_restore_msi_irqs(struct pci_dev *dev)
{
- x86_msi.restore_msi_irqs(dev, irq);
+ x86_msi.restore_msi_irqs(dev);
}
u32 arch_msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
{
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 5eee4959785d..103e702ec5a7 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -337,7 +337,7 @@ out:
return ret;
}
-static void xen_initdom_restore_msi_irqs(struct pci_dev *dev, int irq)
+static void xen_initdom_restore_msi_irqs(struct pci_dev *dev)
{
int ret = 0;
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 1fe2d6fb19d5..68311ec849ee 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -441,6 +441,7 @@ static int sriov_init(struct pci_dev *dev, int pos)
found:
pci_write_config_word(dev, pos + PCI_SRIOV_CTRL, ctrl);
+ pci_write_config_word(dev, pos + PCI_SRIOV_NUM_VF, 0);
pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset);
pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride);
if (!offset || (total > 1 && !stride))
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 3fcd67a16677..51bf0400a889 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -116,7 +116,7 @@ void __weak arch_teardown_msi_irqs(struct pci_dev *dev)
return default_teardown_msi_irqs(dev);
}
-void default_restore_msi_irqs(struct pci_dev *dev, int irq)
+static void default_restore_msi_irq(struct pci_dev *dev, int irq)
{
struct msi_desc *entry;
@@ -134,9 +134,9 @@ void default_restore_msi_irqs(struct pci_dev *dev, int irq)
write_msi_msg(irq, &entry->msg);
}
-void __weak arch_restore_msi_irqs(struct pci_dev *dev, int irq)
+void __weak arch_restore_msi_irqs(struct pci_dev *dev)
{
- return default_restore_msi_irqs(dev, irq);
+ return default_restore_msi_irqs(dev);
}
static void msi_set_enable(struct pci_dev *dev, int enable)
@@ -262,6 +262,15 @@ void unmask_msi_irq(struct irq_data *data)
msi_set_mask_bit(data, 0);
}
+void default_restore_msi_irqs(struct pci_dev *dev)
+{
+ struct msi_desc *entry;
+
+ list_for_each_entry(entry, &dev->msi_list, list) {
+ default_restore_msi_irq(dev, entry->irq);
+ }
+}
+
void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
{
BUG_ON(entry->dev->current_state != PCI_D0);
@@ -430,7 +439,7 @@ static void __pci_restore_msi_state(struct pci_dev *dev)
pci_intx_for_msi(dev, 0);
msi_set_enable(dev, 0);
- arch_restore_msi_irqs(dev, dev->irq);
+ arch_restore_msi_irqs(dev);
pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control);
msi_mask_irq(entry, msi_capable_mask(control), entry->masked);
@@ -455,8 +464,8 @@ static void __pci_restore_msix_state(struct pci_dev *dev)
control |= PCI_MSIX_FLAGS_ENABLE | PCI_MSIX_FLAGS_MASKALL;
pci_write_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, control);
+ arch_restore_msi_irqs(dev);
list_for_each_entry(entry, &dev->msi_list, list) {
- arch_restore_msi_irqs(dev, entry->irq);
msix_mask_irq(entry, entry->masked);
}
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 0b6e76604068..ce9d9ae17bfd 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -554,7 +554,7 @@ int pcie_port_service_register(struct pcie_port_service_driver *new)
if (pcie_ports_disabled)
return -ENODEV;
- new->driver.name = (char *)new->name;
+ new->driver.name = new->name;
new->driver.bus = &pcie_port_bus_type;
new->driver.probe = pcie_port_probe_service;
new->driver.remove = pcie_port_remove_service;
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 219a4106480a..2e344a5581ae 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -538,7 +538,8 @@ static void pci_setup_bridge_io(struct pci_bus *bus)
struct pci_bus_region region;
unsigned long io_mask;
u8 io_base_lo, io_limit_lo;
- u32 l, io_upper16;
+ u16 l;
+ u32 io_upper16;
io_mask = PCI_IO_RANGE_MASK;
if (bridge->io_window_1k)
@@ -548,11 +549,10 @@ static void pci_setup_bridge_io(struct pci_bus *bus)
res = bus->resource[0];
pcibios_resource_to_bus(bridge, &region, res);
if (res->flags & IORESOURCE_IO) {
- pci_read_config_dword(bridge, PCI_IO_BASE, &l);
- l &= 0xffff0000;
+ pci_read_config_word(bridge, PCI_IO_BASE, &l);
io_base_lo = (region.start >> 8) & io_mask;
io_limit_lo = (region.end >> 8) & io_mask;
- l |= ((u32) io_limit_lo << 8) | io_base_lo;
+ l = ((u16) io_limit_lo << 8) | io_base_lo;
/* Set up upper 16 bits of I/O base/limit. */
io_upper16 = (region.end & 0xffff0000) | (region.start >> 16);
dev_info(&bridge->dev, " bridge window %pR\n", res);
@@ -564,7 +564,7 @@ static void pci_setup_bridge_io(struct pci_bus *bus)
/* Temporarily disable the I/O range before updating PCI_IO_BASE. */
pci_write_config_dword(bridge, PCI_IO_BASE_UPPER16, 0x0000ffff);
/* Update lower 16 bits of I/O base/limit. */
- pci_write_config_dword(bridge, PCI_IO_BASE, l);
+ pci_write_config_word(bridge, PCI_IO_BASE, l);
/* Update upper 16 bits of I/O base/limit. */
pci_write_config_dword(bridge, PCI_IO_BASE_UPPER16, io_upper16);
}
@@ -665,21 +665,23 @@ static void pci_bridge_check_ranges(struct pci_bus *bus)
pci_read_config_word(bridge, PCI_IO_BASE, &io);
if (!io) {
- pci_write_config_word(bridge, PCI_IO_BASE, 0xf0f0);
+ pci_write_config_word(bridge, PCI_IO_BASE, 0xe0f0);
pci_read_config_word(bridge, PCI_IO_BASE, &io);
pci_write_config_word(bridge, PCI_IO_BASE, 0x0);
}
if (io)
b_res[0].flags |= IORESOURCE_IO;
+
/* DECchip 21050 pass 2 errata: the bridge may miss an address
disconnect boundary by one PCI data phase.
Workaround: do not use prefetching on this device. */
if (bridge->vendor == PCI_VENDOR_ID_DEC && bridge->device == 0x0001)
return;
+
pci_read_config_dword(bridge, PCI_PREF_MEMORY_BASE, &pmem);
if (!pmem) {
pci_write_config_dword(bridge, PCI_PREF_MEMORY_BASE,
- 0xfff0fff0);
+ 0xffe0fff0);
pci_read_config_dword(bridge, PCI_PREF_MEMORY_BASE, &pmem);
pci_write_config_dword(bridge, PCI_PREF_MEMORY_BASE, 0x0);
}
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 009b02481436..92a2f991262a 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -60,10 +60,10 @@ void arch_teardown_msi_irq(unsigned int irq);
int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
void arch_teardown_msi_irqs(struct pci_dev *dev);
int arch_msi_check_device(struct pci_dev* dev, int nvec, int type);
-void arch_restore_msi_irqs(struct pci_dev *dev, int irq);
+void arch_restore_msi_irqs(struct pci_dev *dev);
void default_teardown_msi_irqs(struct pci_dev *dev);
-void default_restore_msi_irqs(struct pci_dev *dev, int irq);
+void default_restore_msi_irqs(struct pci_dev *dev);
u32 default_msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
u32 default_msix_mask_irq(struct msi_desc *desc, u32 flag);