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msi: minor cleanups

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Comment fixup (tell what it does not what it does not do),
typo fix, whitespace fix.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2010-10-27 16:28:22 +02:00
parent 531a0b82dd
commit b794ec7ce8
1 changed files with 3 additions and 4 deletions
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7
hw/msi.c
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@ -155,9 +155,8 @@ int msi_init(struct PCIDevice *dev, uint8_t offset,
pci_set_word(dev->wmask + msi_data_off(dev, msi64bit), 0xffff);
if (msi_per_vector_mask) {
/* Make mask bits 0 to nr_vectors - 1 writeable. */
pci_set_long(dev->wmask + msi_mask_off(dev, msi64bit),
/* (1U << nr_vectors) - 1 is undefined
when nr_vectors = 32 */
0xffffffff >> (PCI_MSI_VECTORS_MAX - nr_vectors));
}
return config_offset;
@ -225,7 +224,7 @@ void msi_notify(PCIDevice *dev, unsigned int vector)
return;
}
if (msi64bit){
if (msi64bit) {
address = pci_get_quad(dev->config + msi_address_lo_off(dev));
} else {
address = pci_get_long(dev->config + msi_address_lo_off(dev));
@ -269,7 +268,7 @@ void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len)
flags,
pci_get_long(dev->config + msi_address_lo_off(dev)));
if (msi64bit) {
fprintf(stderr, " addrss-hi: 0x%"PRIx32,
fprintf(stderr, " address-hi: 0x%"PRIx32,
pci_get_long(dev->config + msi_address_hi_off(dev)));
}
fprintf(stderr, " data: 0x%"PRIx16,