int res; unsigned long flags; u32 data = 0; if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; spin_lock_irqsave(&pci_lock, flags); res = bus->ops->read(bus, devfn, pos, len, &data); *value = (type)data; spin_unlock_irqrestore(&pci_lock, flags); return res;
—from Linux Kernel (access.c), a software by Linux Kernel
Active since December 5, 2009.
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