1. NAME▲
pci_write_legacy_io - write byte(s) to legacy I/O port space
2. 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 );
3. 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
4. DESCRIPTION ▲
Writes 1, 2, or 4 bytes from legacy I/O port space using an arch specific callback routine (pci_legacy_write).
5. COPYRIGHT ▲