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yaml
---
r: 93630
b: refs/heads/master
c: 134d454
h: refs/heads/master
v: v3
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Bartlomiej Zolnierkiewicz committed Apr 26, 2008
1 parent 62fa60b commit e8a0771
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Showing 2 changed files with 28 additions and 3 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7a2199f341edb2515021ccd6fe122c0d15b08fc7
refs/heads/master: 134d4548a7a1d27781dcbce9725c7f7914f7ae47
29 changes: 27 additions & 2 deletions trunk/drivers/ide/ide-pnp.c
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
#include <linux/pnp.h>
#include <linux/ide.h>

#define DRV_NAME "ide-pnp"

/* Add your devices here :)) */
static struct pnp_device_id idepnp_devices[] = {
/* Generic ESDI/IDE/ATA compatible hard disk controller */
Expand All @@ -29,13 +31,29 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
{
hw_regs_t hw;
ide_hwif_t *hwif;
unsigned long base, ctl;

if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0)))
return -1;

base = pnp_port_start(dev, 0);
ctl = pnp_port_start(dev, 1);

if (!request_region(base, 8, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
DRV_NAME, base, base + 7);
return -EBUSY;
}

if (!request_region(ctl, 1, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
DRV_NAME, ctl);
release_region(base, 8);
return -EBUSY;
}

memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, pnp_port_start(dev, 0),
pnp_port_start(dev, 1));
ide_std_init_ports(&hw, base, ctl);
hw.irq = pnp_irq(dev, 0);

hwif = ide_find_port();
Expand All @@ -45,6 +63,7 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)

ide_init_port_data(hwif, index);
ide_init_port_hw(hwif, &hw);
hwif->mmio = 1;

printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);
pnp_set_drvdata(dev, hwif);
Expand All @@ -54,6 +73,9 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
return 0;
}

release_region(ctl, 1);
release_region(base, 8);

return -1;
}

Expand All @@ -65,6 +87,9 @@ static void idepnp_remove(struct pnp_dev *dev)
ide_unregister(hwif->index);
else
printk(KERN_ERR "idepnp: Unable to remove device, please report.\n");

release_region(pnp_port_start(dev, 1), 1);
release_region(pnp_port_start(dev, 0), 8);
}

static struct pnp_driver idepnp_driver = {
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