Name
pci_write_legacy_io —
write byte(s) to legacy I/O port space
Synopsis
ssize_t pci_write_legacy_io ( | struct file * filp, |
| | struct kobject * kobj, |
| | struct bin_attribute * bin_attr, |
| | char * buf, |
| | loff_t off, |
| | size_t count); |
Arguments
filp
open sysfs file
kobj
kobject corresponding to file to read from
bin_attr
struct bin_attribute for this file
buf
buffer containing value to be written
off
offset into legacy I/O port space
count
number of bytes to write
Description
Writes 1, 2, or 4 bytes from legacy I/O port space using an arch specific
callback routine (pci_legacy_write).