Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 154974
b: refs/heads/master
c: 2c21fd4
h: refs/heads/master
v: v3
  • Loading branch information
Hidetoshi Seto authored and Jesse Barnes committed Jun 29, 2009
1 parent 3f4d054 commit 61851cb
Show file tree
Hide file tree
Showing 3 changed files with 14 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2fc90f6133a87da8177636866557d4cc5f56e661
refs/heads/master: 2c21fd4b333e4c780a46edcd6d1e85bfc6cdf371
18 changes: 8 additions & 10 deletions trunk/drivers/pci/msi.c
Original file line number Diff line number Diff line change
Expand Up @@ -151,7 +151,7 @@ static void msix_mask_irq(struct msi_desc *desc, u32 flag)
{
u32 mask_bits = desc->masked;
unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET;
PCI_MSIX_ENTRY_VECTOR_CTRL;
mask_bits &= ~1;
mask_bits |= flag;
writel(mask_bits, desc->mask_base + offset);
Expand Down Expand Up @@ -188,9 +188,9 @@ void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg)
void __iomem *base = entry->mask_base +
entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE;

msg->address_lo = readl(base + PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
msg->address_hi = readl(base + PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
msg->data = readl(base + PCI_MSIX_ENTRY_DATA_OFFSET);
msg->address_lo = readl(base + PCI_MSIX_ENTRY_LOWER_ADDR);
msg->address_hi = readl(base + PCI_MSIX_ENTRY_UPPER_ADDR);
msg->data = readl(base + PCI_MSIX_ENTRY_DATA);
} else {
struct pci_dev *dev = entry->dev;
int pos = entry->msi_attrib.pos;
Expand Down Expand Up @@ -225,11 +225,9 @@ void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg)
base = entry->mask_base +
entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE;

writel(msg->address_lo,
base + PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET);
writel(msg->address_hi,
base + PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET);
writel(msg->data, base + PCI_MSIX_ENTRY_DATA_OFFSET);
writel(msg->address_lo, base + PCI_MSIX_ENTRY_LOWER_ADDR);
writel(msg->address_hi, base + PCI_MSIX_ENTRY_UPPER_ADDR);
writel(msg->data, base + PCI_MSIX_ENTRY_DATA);
} else {
struct pci_dev *dev = entry->dev;
int pos = entry->msi_attrib.pos;
Expand Down Expand Up @@ -493,7 +491,7 @@ static int msix_capability_init(struct pci_dev *dev,
set_irq_msi(entry->irq, entry);
j = entries[i].entry;
entry->masked = readl(base + j * PCI_MSIX_ENTRY_SIZE +
PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET);
PCI_MSIX_ENTRY_VECTOR_CTRL);
msix_mask_irq(entry, 1);
i++;
}
Expand Down
10 changes: 5 additions & 5 deletions trunk/drivers/pci/msi.h
Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,11 @@
#ifndef MSI_H
#define MSI_H

#define PCI_MSIX_ENTRY_SIZE 16
#define PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET 0
#define PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET 4
#define PCI_MSIX_ENTRY_DATA_OFFSET 8
#define PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET 12
#define PCI_MSIX_ENTRY_SIZE 16
#define PCI_MSIX_ENTRY_LOWER_ADDR 0
#define PCI_MSIX_ENTRY_UPPER_ADDR 4
#define PCI_MSIX_ENTRY_DATA 8
#define PCI_MSIX_ENTRY_VECTOR_CTRL 12

#define msi_control_reg(base) (base + PCI_MSI_FLAGS)
#define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO)
Expand Down

0 comments on commit 61851cb

Please sign in to comment.