forked from Minki/linux
457c899653
Add SPDX license identifiers to all files which: - Have no license information of any form - Have EXPORT_.*_SYMBOL_GPL inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
// 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);
|