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Subject[PATCH] Firmware class name collision

following patch fixes the i2c name collision with i2c-dev.

This issue has been experienced with em28xx and saa7133 based devices.
I discussed that problem with Jean Delvare a while ago and he proposed
to add a prefix to the class name.

Signed-off-by: Markus Rechberger <>

index b24efd4..bfc54a1 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -297,8 +297,7 @@ firmware_class_timeout(u_long data)

static inline void fw_setup_device_id(struct device *f_dev, struct
device *dev)
- /* XXX warning we should watch out for name collisions */
- strlcpy(f_dev->bus_id, dev->bus_id, BUS_ID_SIZE);
+ snprintf(f_dev->bus_id, BUS_ID_SIZE, "fw-%s", dev->bus_id);

static int fw_register_device(struct device **dev_p, const char *fw_name,

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