Messages in this thread Patches in this message | | | Date | Tue, 1 Mar 2005 16:18:24 -0500 | From | Jeffrey Mahoney <> | Subject | [PATCH 2/3] openfirmware: adds sysfs nodes for openfirmware devices |
| |
This patch adds sysfs nodes that the hotplug userspace can use to load the appropriate modules.
In order for hotplug to work with macio devices, patches to module-init-tools and hotplug must be applied. Those patches are available at:
ftp://ftp.suse.com/pub/people/jeffm/linux/macio-hotplug/
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
diff -rupN -X dontdiff linux-2.6.8/drivers/macintosh/macio_sysfs.c linux-2.6.8.devel/drivers/macintosh/macio_sysfs.c --- linux-2.6.8/drivers/macintosh/macio_sysfs.c 1969-12-31 19:00:00.000000000 -0500 +++ linux-2.6.8.devel/drivers/macintosh/macio_sysfs.c 2004-09-16 17:12:37.244919704 -0400 @@ -0,0 +1,49 @@ +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/stat.h> +#include <asm/macio.h> + + +#define macio_config_of_attr(field, format_string) \ +static ssize_t \ +field##_show (struct device *dev, char *buf) \ +{ \ + struct macio_dev *mdev = to_macio_device (dev); \ + return sprintf (buf, format_string, mdev->ofdev.node->field); \ +} + +static ssize_t +compatible_show (struct device *dev, char *buf) +{ + struct of_device *of; + char *compat; + int cplen; + int length = 0; + + of = &to_macio_device (dev)->ofdev; + compat = (char *) get_property(of->node, "compatible", &cplen); + if (!compat) { + *buf = '\0'; + return 0; + } + while (cplen > 0) { + int l; + length += sprintf (buf, "%s%s", length ? "," : "", compat); + buf += length; + l = strlen (compat) + 1; + compat += l; + cplen -= l; + } + + return length; +} + +macio_config_of_attr (name, "%s"); +macio_config_of_attr (type, "%s"); + +struct device_attribute macio_dev_attrs[] = { + __ATTR_RO(name), + __ATTR_RO(type), + __ATTR_RO(compatible), + __ATTR_NULL +}; diff -rupN -X dontdiff linux-2.6.8/drivers/macintosh/Makefile linux-2.6.8.devel/drivers/macintosh/Makefile --- linux-2.6.8/drivers/macintosh/Makefile 2004-08-14 01:37:40.000000000 -0400 +++ linux-2.6.8.devel/drivers/macintosh/Makefile 2004-09-16 17:12:37.252918488 -0400 @@ -4,7 +4,7 @@ # Each configuration option enables a list of files. -obj-$(CONFIG_PPC_PMAC) += macio_asic.o +obj-$(CONFIG_PPC_PMAC) += macio_asic.o macio_sysfs.o obj-$(CONFIG_PMAC_PBOOK) += mediabay.o obj-$(CONFIG_MAC_SERIAL) += macserial.o diff -rupN -X dontdiff linux-2.6.8/drivers/macintosh/macio_asic.c linux-2.6.8.devel/drivers/macintosh/macio_asic.c --- linux-2.6.8/drivers/macintosh/macio_asic.c 2004-08-14 01:36:45.000000000 -0400 +++ linux-2.6.8.devel/drivers/macintosh/macio_asic.c 2004-09-16 17:12:37.242920008 -0400 @@ -126,10 +126,13 @@ static int macio_device_resume(struct de return 0; } +extern struct device_attribute macio_dev_attrs[]; + struct bus_type macio_bus_type = { .name = "macio", .match = macio_bus_match, .suspend = macio_device_suspend, .resume = macio_device_resume, + .dev_attrs = macio_dev_attrs, }; static int __init macio_bus_driver_init(void) -- Jeff Mahoney SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |