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[SPARC64]: Add obppath sysfs attribute for SBUS and PCI devices.

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Signed-off-by: Fabio Massimo Di Nitto <fabbione@ubuntu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Fabio Massimo Di Nitto
2006-12-20 09:22:28 -08:00
committed by David S. Miller
parent d18d7682c1
commit cf69eab231
2 changed files with 41 additions and 2 deletions
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25
arch/sparc64/kernel/pci_common.c
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@@ -7,6 +7,8 @@
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/device.h>
#include <asm/pbm.h>
#include <asm/prom.h>
@@ -129,6 +131,20 @@ static void __init fixup_obp_assignments(struct pci_dev *pdev,
}
}
static ssize_t
show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char * buf)
{
struct pci_dev *pdev;
struct pcidev_cookie *sysdata;
pdev = to_pci_dev(dev);
sysdata = pdev->sysdata;
return snprintf (buf, PAGE_SIZE, "%s\n", sysdata->prom_node->full_name);
}
static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL);
/* Fill in the PCI device cookie sysdata for the given
* PCI device. This cookie is the means by which one
* can get to OBP and PCI controller specific information
@@ -142,7 +158,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm,
struct pcidev_cookie *pcp;
struct device_node *dp;
struct property *prop;
int nregs, len;
int nregs, len, err;
dp = find_device_prom_node(pbm, pdev, bus_node,
&pregs, &nregs);
@@ -215,6 +231,13 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm,
fixup_obp_assignments(pdev, pcp);
pdev->sysdata = pcp;
/* we don't really care if we can create this file or not,
* but we need to assign the result of the call or the world will fall
* under alien invasion and everybody will be frozen on a spaceship
* ready to be eaten on alpha centauri by some green and jelly humanoid.
*/
err = sysfs_create_file(&pdev->dev.kobj, &dev_attr_obppath.attr);
}
void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus,