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PCI/MSI: Remove "pos" from the struct msi_desc msi_attrib

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"msi_attrib.pos" is only used for MSI (not MSI-X), and we already cache the
MSI capability offset in "dev->msi_cap".

Remove "pos" from the struct msi_attrib and use "dev->msi_cap" directly.

[bhelgaas: changelog, fix whitespace]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yijing Wang 2014-09-23 11:02:42 -06:00 • committed by Bjorn Helgaas
parent 81052769e4
commit 48c3c38f00
4 changed files with 4 additions and 10 deletions
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6
arch/mips/pci/msi-octeon.c
View file

@ -73,8 +73,7 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
* wants. Most devices only want 1, which will give
* configured_private_bits and request_private_bits equal 0.
*/
pci_read_config_word(dev, desc->msi_attrib.pos + PCI_MSI_FLAGS,
&control);
pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control);
/*
* If the number of private bits has been configured then use
@ -176,8 +175,7 @@ msi_irq_allocated:
/* Update the number of IRQs the device has available to it */
control &= ~PCI_MSI_FLAGS_QSIZE;
control |= request_private_bits << 4;
pci_write_config_word(dev, desc->msi_attrib.pos + PCI_MSI_FLAGS,
control);
pci_write_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, control);
irq_set_msi_desc(irq, desc);
write_msi_msg(irq, &msg);