Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fa6e697b85d705d37b3b03829095c22bcbe95ab6
Commit: fa6e697b85d705d37b3b03829095c22bcbe95ab6
Parent: be6f48b0174584c9c415012ca14803c7e941e27e
Author: Stefan Richter <[EMAIL PROTECTED]>
AuthorDate: Sun Feb 3 23:03:00 2008 +0100
Committer: Stefan Richter <[EMAIL PROTECTED]>
CommitDate: Sat Feb 16 15:40:34 2008 +0100
firewire: log GUID of new devices
This should help to interpret user reports. E.g. one can look up the
vendor OUI (first three bytes of the GUID) and thus tell what is what.
Also simplifies the math in the GUID sysfs attribute.
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
Signed-off-by: Jarod Wilson <[EMAIL PROTECTED]>
---
drivers/firewire/fw-device.c | 28 +++++++++++++++++-----------
1 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c
index c04c288..2ab13e0 100644
--- a/drivers/firewire/fw-device.c
+++ b/drivers/firewire/fw-device.c
@@ -358,12 +358,9 @@ static ssize_t
guid_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct fw_device *device = fw_device(dev);
- u64 guid;
- guid = ((u64)device->config_rom[3] << 32) | device->config_rom[4];
-
- return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
- (unsigned long long)guid);
+ return snprintf(buf, PAGE_SIZE, "0x%08x%08x\n",
+ device->config_rom[3], device->config_rom[4]);
}
static struct device_attribute fw_device_attributes[] = {
@@ -723,13 +720,22 @@ static void fw_device_init(struct work_struct *work)
*/
if (atomic_cmpxchg(&device->state,
FW_DEVICE_INITIALIZING,
- FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN)
+ FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) {
fw_device_shutdown(&device->work.work);
- else
- fw_notify("created new fw device %s "
- "(%d config rom retries, S%d00)\n",
- device->device.bus_id, device->config_rom_retries,
- 1 << device->max_speed);
+ } else {
+ if (device->config_rom_retries)
+ fw_notify("created device %s: GUID %08x%08x, S%d00, "
+ "%d config ROM retries\n",
+ device->device.bus_id,
+ device->config_rom[3], device->config_rom[4],
+ 1 << device->max_speed,
+ device->config_rom_retries);
+ else
+ fw_notify("created device %s: GUID %08x%08x, S%d00\n",
+ device->device.bus_id,
+ device->config_rom[3], device->config_rom[4],
+ 1 << device->max_speed);
+ }
/*
* Reschedule the IRM work if we just finished reading the
-
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