Commit baedee17 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Stefan Richter
Browse files

firewire: core: add is_local sysfs device attribute 



Making this information available in sysfs allows to differentiate
between controllers in the local and remote Linux PCs, and thus is
useful for servers that are started with udev rules.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent e18907cc

drivers/firewire/core-device.c

+9 −0
Original line number Diff line number Diff line
@@ -398,6 +398,14 @@ static ssize_t guid_show(struct device *dev, 
	return ret;

}



static ssize_t is_local_show(struct device *dev,

			     struct device_attribute *attr, char *buf)

{

	struct fw_device *device = fw_device(dev);



	return sprintf(buf, "%u\n", device->is_local);

}



static int units_sprintf(char *buf, const u32 *directory)

{

	struct fw_csr_iterator ci;
@@ -447,6 +455,7 @@ static ssize_t units_show(struct device *dev, 
static struct device_attribute fw_device_attributes[] = {

	__ATTR_RO(config_rom),

	__ATTR_RO(guid),

	__ATTR_RO(is_local),

	__ATTR_RO(units),

	__ATTR_NULL,

};

include/linux/firewire.h

+1 −1
Original line number Diff line number Diff line
@@ -138,7 +138,7 @@ struct fw_card { 
struct fw_attribute_group {

	struct attribute_group *groups[2];

	struct attribute_group group;

	struct attribute *attrs[12];

	struct attribute *attrs[13];

};



enum fw_device_state {

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