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PCI: Use bitfield instead of bool for struct pci_vpd_pci22.busy

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Make struct pci_vpd_pci22.busy a 1-bit field instead of a bool.  We intend
to add another flag, and two bitfields are cheaper than two bools.

Tested-by: Shane Seymour <shane.seymour@hpe.com>
Tested-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
This commit is contained in:
Bjorn Helgaas 2016-02-22 14:04:07 -06:00
parent f52e5629f6
commit c5563887a9
1 changed files with 5 additions and 5 deletions
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10
drivers/pci/access.c
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@ -283,8 +283,8 @@ struct pci_vpd_pci22 {
struct pci_vpd base;
struct mutex lock;
u16 flag;
bool busy;
u8 cap;
u8 busy:1;
};
/*
@ -313,7 +313,7 @@ static int pci_vpd_pci22_wait(struct pci_dev *dev)
return ret;
if ((status & PCI_VPD_ADDR_F) == vpd->flag) {
vpd->busy = false;
vpd->busy = 0;
return 0;
}
@ -355,7 +355,7 @@ static ssize_t pci_vpd_pci22_read(struct pci_dev *dev, loff_t pos, size_t count,
pos & ~3);
if (ret < 0)
break;
vpd->busy = true;
vpd->busy = 1;
vpd->flag = PCI_VPD_ADDR_F;
ret = pci_vpd_pci22_wait(dev);
if (ret < 0)
@ -415,7 +415,7 @@ static ssize_t pci_vpd_pci22_write(struct pci_dev *dev, loff_t pos, size_t count
if (ret < 0)
break;
vpd->busy = true;
vpd->busy = 1;
vpd->flag = 0;
ret = pci_vpd_pci22_wait(dev);
if (ret < 0)
@ -495,7 +495,7 @@ int pci_vpd_pci22_init(struct pci_dev *dev)
vpd->base.ops = &pci_vpd_pci22_ops;
mutex_init(&vpd->lock);
vpd->cap = cap;
vpd->busy = false;
vpd->busy = 0;
dev->vpd = &vpd->base;
return 0;
}