Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Bartlomiej Zolnierkiewicz |
313 |
98.74% |
3 |
60.00% |
| Paul Gortmaker |
3 |
0.95% |
1 |
20.00% |
| Thomas Gleixner |
1 |
0.32% |
1 |
20.00% |
| Total |
317 |
|
5 |
|
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/ide.h>
static void ide_legacy_init_one(struct ide_hw **hws, struct ide_hw *hw,
u8 port_no, const struct ide_port_info *d,
unsigned long config)
{
unsigned long base, ctl;
int irq;
if (port_no == 0) {
base = 0x1f0;
ctl = 0x3f6;
irq = 14;
} else {
base = 0x170;
ctl = 0x376;
irq = 15;
}
if (!request_region(base, 8, d->name)) {
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
d->name, base, base + 7);
return;
}
if (!request_region(ctl, 1, d->name)) {
printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
d->name, ctl);
release_region(base, 8);
return;
}
ide_std_init_ports(hw, base, ctl);
hw->irq = irq;
hw->config = config;
hws[port_no] = hw;
}
int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
{
struct ide_hw hw[2], *hws[] = { NULL, NULL };
memset(&hw, 0, sizeof(hw));
if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
ide_legacy_init_one(hws, &hw[0], 0, d, config);
ide_legacy_init_one(hws, &hw[1], 1, d, config);
if (hws[0] == NULL && hws[1] == NULL &&
(d->host_flags & IDE_HFLAG_SINGLE))
return -ENOENT;
return ide_host_add(d, hws, 2, NULL);
}
EXPORT_SYMBOL_GPL(ide_legacy_device_add);