diff options
| author | Fabio Massimo Di Nitto <fabbione@ubuntu.com> | 2006-12-20 18:22:28 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-02-11 08:50:35 +0100 |
| commit | cf69eab231bb748b5c34912412a8fc8c763bcf57 (patch) | |
| tree | 4e1a080b7d33765d9ec62ead60bc3c9004a961a3 | |
| parent | [PARTITION]: Add whole_disk attribute. (diff) | |
| download | linux-cf69eab231bb748b5c34912412a8fc8c763bcf57.tar.xz linux-cf69eab231bb748b5c34912412a8fc8c763bcf57.zip | |
[SPARC64]: Add obppath sysfs attribute for SBUS and PCI devices.
Signed-off-by: Fabio Massimo Di Nitto <fabbione@ubuntu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc64/kernel/pci_common.c | 25 | ||||
| -rw-r--r-- | drivers/sbus/sbus.c | 18 |
2 files changed, 41 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index 827ae30aa497..5a92cb90ebe0 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c @@ -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, diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c index 98fcbb3d5560..6349dd617f85 100644 --- a/drivers/sbus/sbus.c +++ b/drivers/sbus/sbus.c @@ -7,6 +7,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/device.h> #include <asm/system.h> #include <asm/sbus.h> @@ -17,13 +18,25 @@ #include <asm/bpp.h> #include <asm/irq.h> +static ssize_t +show_sbusobppath_attr(struct device * dev, struct device_attribute * attr, char * buf) +{ + struct sbus_dev *sbus; + + sbus = to_sbus_device(dev); + + return snprintf (buf, PAGE_SIZE, "%s\n", sbus->ofdev.node->full_name); +} + +static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_sbusobppath_attr, NULL); + struct sbus_bus *sbus_root; static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) { unsigned long base; void *pval; - int len; + int len, err; sdev->prom_node = dp->node; strcpy(sdev->prom_name, dp->name); @@ -66,6 +79,9 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde if (of_device_register(&sdev->ofdev) != 0) printk(KERN_DEBUG "sbus: device registration error for %s!\n", dp->path_component_name); + + /* WE HAVE BEEN INVADED BY ALIENS! */ + err = sysfs_create_file(&sdev->ofdev.dev.kobj, &dev_attr_obppath.attr); } static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus) |